View Filing Data

$ 368,396

$ 504,468

$ 422,623

$ 450,907

774,184

693,085

212,477

^[1],[2]

236,342

1,355,057

1,433,895

212,715

207,030

74,566

^[3]

76,929

836

886

177,087

131,590

1,393,832

1,337,122

1,069,408

^[1],[3]

160,193

155,159

^[1],[2]

262,169

3,529,445

3,449,621

295,000

170,000

33,483

39,226

42,584

15,050

33,895

30,026

571,350

^[2]

584,482

976,312

838,784

975,645

1,006,687

8,080

6,747

165,226

^[2]

168,609

2,125,263

2,020,827

4,750

4,520

Preferred shares, $0.01 par value, 250,000,000 authorized, none issued

Common shares, $0.01 par value, 500,000,000 authorized, 192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively

1,888

1,924

Additional paid-in capital

1,471,301

1,421,368

Accumulated other comprehensive income (loss)

438,453

^[3]

355,982

(507,460)

(355,230)

1,404,182

1,424,044

$ 1,286,648

$ 1,304,356

Total liabilities, redeemable non-controlling interest and equity

$ 3,529,445

$ 3,449,621

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.
[3]	The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets.

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, authorized	250,000,000	250,000,000
Preferred shares, issued	0	0
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	500,000,000	500,000,000
Common shares, issued	189,346,101	192,825,207
Common shares, outstanding	189,346,101	192,825,207

Consolidated Statements of Income - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

^[1]

Dec. 31, 2016

^[1]

Income Statement [Abstract]

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

$ 2,570,756

1,921,768

1,681,438

1,554,340

302,205

266,566

265,663

244,588

279,610

280,034

256,189

239,658

1,079,022

1,055,491

1,016,416

693,865

^[2]

689,461

652,967

38,850

36,412

27,183

(1,845)

(1,661)

(4,940)

110,841

94,028

79,522

63,761

73,305

97,919

80,959

79,096

348,152

331,279

341,206

15,239

1,996

2,630

(37,119)

(31,735)

(16,184)

Income before equity-method investment activity, net and income tax expense

35,761

23,586

9,691

106,632

97,724

81,668

76,009

81,559

89,742

84,582

69,243

362,033

325,126

337,343

(12)

(4,543)

(7,698)

362,021

320,583

329,645

80,763

59,742

62,098

Net loss attributable to redeemable non-controlling interest

79,147

73,603

64,574

63,934

66,138

73,161

69,102

52,440

281,258

260,841

267,547

761

944

584

(156)

898

761

2,270

2,137

Net income attributable to Genpact Limited shareholders

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

282,019

263,111

269,684

Net income available to Genpact Limited common shareholders

$ 282,019

$ 263,111

$ 269,684

Earnings per common share attributable to Genpact Limited common shareholders

$ 0.42

$ 0.39

$ 0.34

$ 0.35

$ 0.38

$ 0.36

$ 0.27

$ 1.48

$ 1.36

$ 1.30

Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders

$ 0.41

$ 0.38

$ 0.33

$ 0.34

$ 0.38

$ 0.36

$ 0.26

$ 1.45

$ 1.34

$ 1.28

189,724,744

190,024,924

190,132,664

192,816,626

192,795,534

192,124,366

191,469,593

199,069,528

190,674,740

193,864,755

206,861,536

Statement Of Income And Comprehensive Income [Abstract]

193,149,836

193,115,769

193,365,974

196,288,569

196,862,168

194,947,699

193,732,406

202,655,937

193,980,038

197,049,552

210,126,023

[1]

Cost of revenue, selling, general and administrative expenses, other income (expense) and income from operations for the year ended December 31, 2016 and 2017 have been restated due to the adoption of ASU No. 2017-07 with effect from January 1, 2018. The impact of such restatement is not material to the Company’s consolidated results of operations, cash flows, financial position and disclosures.

[2]

During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452 resulting in a net adjustment of $2,664 with a corresponding impact on income tax benefit of $681.

Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

$ 282,019

$ 263,111

^[1]

$ 269,684

^[1]

Net income (loss) on cash flow hedging derivatives, net of taxes

(109,656)

93,871

(46,340)

(46,293)

12,611

43,742

1,454

(3,787)

(4,042)

(154,495)

102,695

(6,640)

Redeemable non-controlling interest, Net income (loss)

127,524

365,806

263,044

$ (761)

$ (944)

$ (584)

$ 156

$ (898)

(761)

(2,270)

^[1]

(2,137)

^[1]

Redeemable non-controlling interest, Other comprehensive income:

Redeemable non-controlling interest, Currency translation adjustments

(424)

(341)

104

Redeemable non-controlling interest, Other comprehensive income (loss)

(424)

(341)

104

Redeemable non-controlling interest, Comprehensive income (loss)

$ (1,185)

$ (2,611)

$ (2,033)

[1]

Consolidated Statements of Equity and Redeemable Non-controlling Interest - USD ($)
$ in Thousands

Total

Common shares

Additional Paid-in Capital

Retained Earnings

Accumulated Other Comprehensive Income (Loss)

Beginning balance, value at Dec. 31, 2015

$ 1,304,356

$ 2,111

$ 1,342,022

$ 411,508

$ (451,285)

Beginning balance, value (in shares) at Dec. 31, 2015

211,472,312

Issuance of common shares on exercise of options

$ 14,896

$ 10

14,886

Issuance of common shares on exercise of options (in shares)

994,155

Issuance of common shares under the employee stock purchase plan

$ 3,332

$ 1

3,331

Issuance of common shares under the employee stock purchase plan (in shares)

146,685

Net settlement on vesting of restricted share units

(883)

$ 1

(884)

Net settlement on vesting of restricted share units (in shares)

121,682

Stock repurchased and retired

(345,200)

$ (139)

(345,061)

Stock repurchased and retired (in shares)

(13,940,782)

Deferred tax assets recognized on early adoption of ASU 2016-09

24,912

Expenses related to stock repurchase

(279)

Acquisition of redeemable non controlling interest

25,113

3,910

Change in fair value of redeemable non-controlling interest

(2,643)

Redeemable non-controlling interest, Change in fair value of redemeedable non-controlling interest

2,643

Comprehensive income (loss):

Redeemable non-controlling interest, Net income (loss)

269,684

^[1]

269,684

^[1]

(2,137)

Redeemable non-controlling interest, Other comprehensive income (loss)

(6,640)

104

End balance, value at Dec. 31, 2016

1,286,648

$ 1,984

1,384,468

358,121

(457,925)

End balance, value (in shares) at Dec. 31, 2016

198,794,052

Redeemable non-controlling interest, End balance at Dec. 31, 2016

4,520

Issuance of common shares on exercise of options

$ 10,772

$ 7

10,765

Issuance of common shares on exercise of options (in shares)

743,045

Issuance of common shares under the employee stock purchase plan

$ 4,756

$ 2

4,754

Issuance of common shares under the employee stock purchase plan (in shares)

190,435

Net settlement on vesting of restricted share units

(357)

$ 1

(358)

Net settlement on vesting of restricted share units (in shares)

103,220

Net settlement on vesting of performance units

$ (9,939)

$ 7

(9,946)

Net settlement on vesting of performance units (in shares)

731,701

Stock repurchased and retired

$ (219,784)

$ (77)

(4,000)

(215,707)

Stock repurchased and retired (in shares)

(808,293)

(7,737,246)

Expenses related to stock repurchase

$ (16)

(16)

Change in fair value of redeemable non-controlling interest

35,685

(2,841)

Redeemable non-controlling interest, Change in fair value of redemeedable non-controlling interest

2,841

Comprehensive income (loss):

Redeemable non-controlling interest, Net income (loss)

263,111

^[1]

263,111

^[1]

(2,270)

Redeemable non-controlling interest, Other comprehensive income (loss)

102,695

(341)

Dividend

(46,686)

End balance, value at Dec. 31, 2017

$ 1,424,044

$ 1,924

1,421,368

355,982

(355,230)

End balance, value (in shares) at Dec. 31, 2017

192,825,207

Redeemable non-controlling interest, End balance at Dec. 31, 2017

$ 4,750

Adoption of ASU (ASU 2014-09) at Dec. 31, 2017

17,924

Adjusted balance, value at Dec. 31, 2017

1,441,968

$ 1,924

1,421,368

373,906

(355,230)

Redeemable non-controlling interest, Adjusted balance at Dec. 31, 2017

4,750

Adoption of ASU | ASU 2018-02

(2,265)

2,265

Issuance of common shares on exercise of options

$ 7,258

$ 4

7,254

Issuance of common shares on exercise of options (in shares)

441,076

Issuance of common shares under the employee stock purchase plan

$ 6,776

$ 2

6,774

Issuance of common shares under the employee stock purchase plan (in shares)

245,467

Net settlement on vesting of restricted share units

(2,649)

$ 2

(2,651)

Net settlement on vesting of restricted share units (in shares)

227,560

Net settlement on vesting of performance units

$ (13,270)

$ 7

(13,277)

Net settlement on vesting of performance units (in shares)

691,958

Stock repurchased and retired

$ (154,058)

$ (51)

4,000

(158,007)

Stock repurchased and retired (in shares)

(4,921,192)

(5,085,167)

Expenses related to stock repurchase

$ (98)

(98)

Payment for purchase of redeemable non-controlling interest

48,998

(1,165)

Redeemable non-controlling interest, Payment for purchase of redeemable non-controlling interest

(3,565)

Comprehensive income (loss):

Net income (loss) | ASU 2014-09

282,019

^[2]

282,019

Redeemable non-controlling interest, Net income (loss)

(761)

Redeemable non-controlling interest, Net income (loss) | ASU 2014-09

(761)

Redeemable non-controlling interest, Other comprehensive income (loss)

(154,495)

(424)

Dividend

(57,102)

End balance, value at Dec. 31, 2018

$ 1,404,182

$ 1,888

$ 1,471,301

$ 438,453

$ (507,460)

End balance, value (in shares) at Dec. 31, 2018

189,346,101

[1]

[2]

During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below.

Consolidated Statements of Cash Flows - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Net income attributable to Genpact Limited shareholders

$ 282,019

$ 263,111

^[1]

$ 269,684

^[1]

Redeemable non-controlling interest, Net income (loss)

(761)

(2,270)

^[1]

(2,137)

^[1]

Adjustments to reconcile net income to net cash provided by (used for) operating activities:

281,258

260,841

^[1]

267,547

^[1]

Amortization of debt issuance costs (including loss on extinguishment of debt)

64,868

58,503

54,553

3,975

1,884

1,531

Write-down of intangible assets and property, plant and equipment

38,850

36,412

^[1]

27,183

^[1]

4,265

9,311

11,195

Unrealized loss (gain) on revaluation of foreign currency asset/liability

1,857

9,819

7,282

3,352

(11,830)

1,717

4,543

^[1]

7,698

^[1]

48,998

35,685

25,113

Loss (gain) on divestiture

6,054

(10,391)

30,454

5,668

(5,214)

1,317

(4,785)

(41)

Increase in prepaid expenses, other current assets, contract cost assets and other assets

(76,894)

(57,267)

(48,612)

(76,392)

(28,381)

(62,852)

Increase in accrued expenses, other current liabilities and other liabilities

26,401

(2,155)

(463)

5,993

46,581

27,977

5,597

4,640

704

339,511

359,078

345,772

Payment for acquired/internally generated intangible assets (including intangibles under development)

(84,978)

(57,231)

(81,926)

(75,439)

(16,441)

(6,846)

Proceeds from sale of property, plant and equipment

668

1,738

547

Payment for business acquisitions, net of cash acquired

(496)

(9,620)

(111,571)

(284,822)

(45,162)

Proceeds from divestiture of business, net of cash divested

(4,738)

17,242

Payment for purchase of redeemable non-controlling interest

(4,730)

(276,050)

(361,990)

(125,765)

Payment of debt issuance costs

(2,395)

(2,708)

(1,793)

(4,293)

(2,630)

129,186

350,000

(166,186)

(40,000)

250,000

295,000

200,000

Proceeds from issuance of common shares under stock-based compensation plans

(125,000)

(285,000)

(61,500)

14,034

15,528

18,228

(15,919)

(10,296)

(769)

(3,356)

(6,219)

(1,485)

(57,102)

(46,686)

(154,058)

(219,784)

(345,200)

Net cash provided by/(used for) financing activities

(98)

(16)

(279)

(135,187)

47,189

(232,798)

Net increase (decrease) in cash and cash equivalents

(64,346)

37,568

(15,493)

(71,726)

44,277

(12,791)

Cash and cash equivalents at the beginning of the period

504,468

422,623

450,907

Cash paid during the period for interest (including interest rate swaps )

368,396

504,468

422,623

Supplementary information

41,484

27,915

19,530

Cash paid during the period for income taxes

81,411

66,238

46,731

Property, plant and equipment acquired under capital lease obligations

$ 2,031

$ 2,318

$ 2,206

[1]

Organization

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Organization

1. Organization

The Company is a global professional services firm that drives digitally-led innovation and runs digitally-enabled intelligent operations for its clients, guided by its experience running thousands of processes for hundreds of Fortune Global 500 clients. The Company has over 87,000 employees serving clients in key industry verticals from more than 25 countries.

Summary of significant accounting policies

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Summary of significant accounting policies

2. Summary of significant accounting policies

(a) Basis of preparation and principles of consolidation

The accompanying consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP). The accompanying consolidated financial statements reflect all adjustments that management considers necessary for a fair presentation of the results of operations for these periods.

The accompanying financial statements have been prepared on a consolidated basis and reflect the financial statements of Genpact Limited, a Bermuda company, and all of its subsidiaries that are more than 50% owned and controlled. When the Company does not have a controlling interest in an entity but exerts significant influence over the entity, the Company applies the equity method of accounting. All intercompany transactions and balances are eliminated in consolidation.

Non-controlling interest in subsidiaries that is redeemable outside of the Company’s control for cash or other assets is reflected in the mezzanine section between liabilities and equity in the consolidated balance sheets at the redeemable value, which approximates fair value. Redeemable non-controlling interest is adjusted to its fair value at each balance sheet date. Any resulting increases or decreases in the estimated redemption amount are affected by corresponding charges to additional paid-in capital. The share of non-controlling interest in subsidiary earnings is reflected in net loss (income) attributable to redeemable non-controlling interest in the consolidated statements of income.

(b) Use of estimates

The preparation of consolidated financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements. Significant items subject to such estimates and assumptions include the useful lives of property, plant and equipment, intangibles and goodwill, revenue recognition, reserves for doubtful receivables, valuation allowances for deferred tax assets, the valuation of derivative financial instruments, measurements of stock-based compensation, assets and obligations related to employee benefits, and income tax uncertainties and other contingencies. Management believes that the estimates used in the preparation of the consolidated financial statements are reasonable. Although these estimates are based upon management’s best knowledge of current events and actions, actual results could differ from these estimates. Any changes in estimates are adjusted prospectively in the Company’s consolidated financial statements.

Except as described below, the Company has applied accounting policies consistently to all periods presented in these consolidated financial statements. The Company adopted Accounting standard codification (ASC) Topic 606, Revenue from Contracts with Customers (“Topic 606”), effective January 1, 2018. The revenue accounting policy followed by the company before its adoption of Topic 606 is described below.

2. Summary of significant accounting policies (Continued)

The Company derives its revenue primarily from business process outsourcing and information technology services, which are provided on a time-and-material, transaction or fixed-price basis. The Company recognizes revenue when persuasive evidence of an arrangement exists, the sales price is fixed or determinable, services have been rendered and collectability is reasonably assured. Revenues from services rendered under time-and-materials and transaction-based contracts are recognized as the services are provided. The Company’s fixed-price contracts include contracts for application development, maintenance and support services. Revenues from these contracts are recognized ratably over the term of the agreement. The Company accrues for revenue and unbilled receivables for the services rendered between the last billing date and the balance sheet date.

Customer contracts can also include incentive payments received for discrete benefits delivered to clients. Revenues relating to such incentive payments are recorded when the contingency is satisfied and the Company concludes the amounts are earned.

Revenue from fixed-price contracts for the development of software and related services is recognized in accordance with the percentage-of-completion method. Guidance has been drawn from Financial Accounting Standards Board (“FASB”) guidance on Software—Revenue Recognition to account for revenue from fixed-price arrangements for software development and related services in conformity with FASB guidance on Revenue Recognition—Construction—Type and Production-Type Contracts. The input (effort or cost expended) method has been used to measure progress towards completion as there is a direct relationship between input and productivity. Provisions for estimated losses, if any, on uncompleted contracts are recorded in the period in which such losses become probable based on the current contract estimates.

The Company has deferred the revenue and costs attributable to certain process transition activities with respect to its customers where such activities do not represent the culmination of a separate earnings process. Such revenue and costs are subsequently recognized ratably over the period in which the related services are performed. Further, the deferred costs are limited to the amount of the deferred revenues.

Revenues are reported net of value-added tax, business tax and applicable discounts and allowances. Reimbursements of out-of-pocket expenses received from clients have been included as part of revenues.

The Company enters into multiple-element revenue arrangements in which a client may purchase a combination of its services. Revenue from multiple-element arrangements is recognized, for each element, based on (1) the attainment of the delivery criterion; (2) its fair value, which is determined using the selling price hierarchy of vendor-specific objective evidence (“VSOE”) of fair value, third-party evidence or best estimated selling price, as applicable, and (3) its allocated selling price, which is based on the relative sales price method.

The Company has changed its accounting policy for revenue recognition as detailed below. The Company applied Topic 606 using the modified retrospective method, which involves recognizing the cumulative effect of initially applying Topic 606 as an adjustment to the Company’s opening equity balance as of January 1, 2018. Therefore, comparative information has not been adjusted and continues to be reported under Topic 605. As a result of the Company’s adoption of this new standard, certain sales incentive programs meet the requirements for capitalization. Such costs are amortized over the period of expected benefit rather than being expensed as incurred as was the Company’s prior practice. The cumulative impact of the adoption of this standard

2. Summary of significant accounting policies (Continued)

resulted in an increase in retained earnings of $17,924 as of January 1, 2018 with a corresponding impact on contract cost assets of $23,227 and deferred tax liabilities of $5,303. As of January 1, 2018, contract assets and contract liabilities of $21,348 relating to the same customer contracts have been offset against each other.

(d) Revenue recognition (effective January 1, 2018)

The Company derives its revenue primarily from business process outsourcing and information technology services, which are provided primarily on a time-and-material, transaction or fixed-price basis. The Company recognizes revenue when the promised services are delivered to customers for an amount that reflects the consideration to which the Company expects to be entitled in exchange for those services. Revenues from services rendered under time-and-material and transaction-based contracts are recognized as the services are provided. The Company’s fixed-price contracts include contracts for application development, maintenance and support services. Revenues from these contracts are recognized ratably over the term of the agreement. The Company accrues for revenue and unbilled receivables for services rendered between the last billing date and the balance sheet date.

The Company’s customer contracts sometimes also include incentive payments received for discrete benefits delivered or promised to be delivered to clients or service level agreements that could result in credits or refunds to the client. Revenues relating to such arrangements are accounted for as variable consideration when the amount of revenue to be recognized can be estimated to the extent that it is probable that a significant reversal of any incremental revenue will not occur.

The Company records deferred revenue attributable to certain process transition activities where such activities do not represent separate performance obligations. Revenues relating to such transition activities are classified under contract liabilities and subsequently recognized ratably over the period in which the related services are performed. Costs relating to such transition activities are fulfillment costs which are directly related to the contract and result in the generation or enhancement of resources. Such costs are expected to be recoverable under the contract and are therefore classified as contract cost assets and recognized ratably over the estimated expected period of benefit under cost of revenue.

Revenue for performance obligations that are satisfied over time is recognized in accordance with the methods prescribed for measuring progress. The input (effort or cost expended) method has been used to measure progress towards completion as there is a direct relationship between input and productivity. Provisions for estimated losses, if any, on uncompleted contracts are recorded in the period in which such losses become probable based on the current contract estimates.

The Company enters into multiple-element revenue arrangements in which a client may purchase a combination of products or services. Revenue from multiple-element arrangements is recognized, for each element, based on an allocation of the transaction price to each performance obligation on a relative standalone basis.

Certain contracts may include offerings such as sale of licenses, which may be perpetual or subscription-based. Revenue from distinct perpetual licenses is recognized upfront at the point in time when the software is made available to the customer. Revenue from distinct subscription-based licenses is recognized at the point in time it is transferred to the client. Revenue from any associated maintenance or ongoing support services is recognized ratably over the term of the contract. For a combined software license/services performance obligation, revenue is recognized over the period that the services are performed.

2. Summary of significant accounting policies (Continued)

All incremental and direct costs incurred for acquiring contracts, such as certain sales commissions, are classified as contract cost assets. Such costs are amortized over the expected period of benefit and recorded under selling, general and administrative expenses.

Other upfront fees paid to clients are classified as contract assets. Such costs are amortized over the expected period of benefit and recorded as an adjustment to the transaction price and subtracted from revenue.

Timing of revenue recognition may differ from the timing of invoicing. If a payment is received in respect of services prior to the delivery of services, the payment is recognized as an advance from clients and classified as a contract liability. Contract assets and contract liabilities relating to the same client contract are offset against each other and presented on a net basis in the consolidated financial statements. See note 27 for information and related disclosures regarding contract balances.

Significant judgements

The Company often enters into contracts with clients that include promises to transfer multiple products and services to the client. Determining whether products and services are considered distinct performance obligations that should be accounted for separately rather than together may require significant judgment.

Judgment is also required to determine the standalone selling price for each distinct performance obligation. In instances where the standalone selling price is not directly observable, it is determined using information that may include market conditions and other observable inputs.

Client contracts sometimes include incentive payments received for discrete benefits delivered to clients or service level agreements that could result in credits or refunds to the client. Such amounts are estimated at contract inception and are adjusted at the end of each reporting period as additional information becomes available only to the extent that it is probable that a significant reversal of any incremental revenue will not occur.

2. Summary of significant accounting policies (Continued)

Impact on consolidated financial statements

The following tables summarize the impact of the Company’s adoption of Topic 606 on its consolidated financial statements for the year ended December 31, 2018.

Consolidated Balance Sheet As of December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Assets
Current assets
Cash and cash equivalents	$	368,396					$	368,396
Accounts receivable, net		774,184						774,184
Prepaid expenses and other current assets (a, c)		212,477			56,594			269,071
Total current assets	$	1,355,057			56,594		$	1,411,651

Property, plant and equipment, net		212,715						212,715
Deferred tax assets (b)		74,566			5,984			80,550
Investment in equity affiliates		836						836
Intangible assets, net		177,087						177,087
Goodwill		1,393,832						1,393,832
Contract cost assets (a, b)		160,193			(160,193	)		-
Other assets (a, c)		155,159			107,133			262,292
Total assets	$	3,529,445			9,518		$	3,538,963

Liabilities and equity
Current liabilities
Short-term borrowings		295,000						295,000
Current portion of long-term debt		33,483						33,483
Accounts payable		42,584						42,584
Income taxes payable		33,895						33,895
Accrued expenses and other current liabilities (c)		571,350			10,289			581,639
Total current liabilities	$	976,312			10,289		$	986,601

Long-term debt, less current portion		975,645						975,645
Deferred tax liabilities		8,080						8,080
Other liabilities (c)		165,226			19,136			184,362
Total liabilities	$	2,125,263			29,425		$	2,154,688

Redeemable non-controlling interest		-						-
Shareholders' equity
Preferred shares, $0.01 par value, 250,000,000 authorized, none issued		-						-
Common shares, $0.01 par value, 500,000,000 authorized,192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively		1,888						1,888
Additional paid-in capital		1,471,301						1,471,301
Retained earnings (b)		438,453			(19,907	)		418,546
Accumulated other comprehensive income (loss)		(507,460	)					(507,460	)
Total equity	$	1,404,182			(19,907	)	$	1,384,275
Commitments and contingencies
Total liabilities, redeemable non-controlling interest and equity	$	3,529,445			9,518		$	3,538,963

(a) As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302. (b) The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets. (c) As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Income
Year ended December 31,2018	As reported			Adjustments			Balances without adoption of Topic 606
Net revenues	$	3,000,790					$	3,000,790
Cost of revenue		1,921,768						1,921,768
Gross profit	$	1,079,022			—		$	1,079,022
Operating expenses:
Selling, general and administrative expenses (e)		693,865			2,664			696,529
Amortization of acquired intangible assets		38,850						38,850
Other operating (income) expense, net		(1,845	)					(1,845	)
Income from operations	$	348,152			(2,664	)	$	345,488
Foreign exchange gains (losses), net		15,239						15,239
Interest income (expense), net		(37,119	)					(37,119	)
Other income (expense), net		35,761						35,761
Income before equity-method investment activity, net and income tax expense	$	362,033			(2,664	)	$	359,369
Equity-method investment activity, net		(12	)		—			(12	)
Income before income tax expense	$	362,021			(2,664	)	$	359,357
Income tax expense (benefit)		80,763			(681	)		80,082
Net income	$	281,258			(1,983	)	$	279,275
Net loss (income) attributable to non-controlling interest		761			—			761
Net income attributable to Genpact Limited shareholders	$	282,019			(1,983	)	$	280,036

(e) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452 resulting in a net adjustment of $2,664 with a corresponding impact on income tax benefit of $681.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Cash flow
Year ended December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Operating activities
Net income attributable to Genpact Limited shareholders (f)	$	282,019			(1,983	)	$	280,036
Net loss attributable to redeemable non-controlling interest		(761	)					(761	)
Net income (f)	$	281,258			(1,983	)	$	279,275
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization		64,868						64,868
Amortization of debt issuance costs (including loss on extinguishment of debt)		3,975						3,975
Amortization of acquired intangible assets		38,850						38,850
Write-down of intangible assets and property, plant and equipment		4,265						4,265
Reserve for doubtful receivables		1,857						1,857
Unrealized loss (gain) on revaluation of foreign currency asset/liability		3,352						3,352
Equity-method investment activity, net		12						12
Stock-based compensation expense		48,998						48,998
Deferred income taxes (f)		6,054			(681	)		5,373
Others, net		1,317						1,317
Change in operating assets and liabilities:
Increase in accounts receivable		(76,894	)					(76,894	)
Increase in prepaid expenses, other current assets, contract cost assets and other assets (f, g)		(76,392	)		(5,413	)		(81,805	)
Increase in accounts payable		26,401						26,401
Increase in accrued expenses, other current liabilities and other liabilities (g)		5,993			8,077			14,070
Increase in income taxes payable		5,597						5,597
Net cash provided by operating activities	$	339,511			—		$	339,511
Investing activities
Purchase of property, plant and equipment		(84,978	)					(84,978	)
Payment for internally generated intangible assets (including intangibles under development)		(75,439	)					(75,439	)
Proceeds from sale of property, plant and equipment		668						668
Payment for business acquisitions, net of cash acquired		(111,571	)					(111,571	)
Payment for redeemable non-controlling interest		(4,730	)					(4,730	)
Net cash used for investing activities	$	(276,050	)		—		$	(276,050	)
Financing activities
Repayment of capital lease obligations		(2,395	)					(2,395	)
Payment of debt issuance and refinancing costs		(4,293	)					(4,293	)
Proceeds from long term debt		129,186						129,186
Repayment of long-term debt		(166,186	)					(166,186	)
Proceeds from short-term borrowings		250,000						250,000
Repayment of short-term borrowings		(125,000	)					(125,000	)
Proceeds from issuance of common shares under stock-based compensation plans		14,034						14,034
Payment for net settlement of stock-based awards		(15,919	)					(15,919	)
Payment of earn-out/deferred consideration		(3,356	)					(3,356	)
Dividend paid		(57,102	)					(57,102	)
Payment for stock repurchased and retired		(154,058	)					(154,058	)
Payment for expenses related to stock repurchase		(98	)					(98	)
Net cash used for financing activities	$	(135,187	)		—		$	(135,187	)
Effect of exchange rate changes		(64,346	)					(64,346	)
Net increase (decrease) in cash and cash equivalents		(71,726	)					(71,726	)
Cash and cash equivalents at the beginning of the period		504,468						504,468
Cash and cash equivalents at the end of the period	$	368,396			—		$	368,396

(f) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below. (g) Following the adoption of ASC 606, the Company offset certain contract assets against contract liabilities related to the same client contract in an amount of $8,077.

2. Summary of significant accounting policies (Continued)

(e) Accounts receivable

Accounts receivable are recorded at the invoiced or to be invoiced amount and do not bear interest. Amounts collected on trade accounts receivable are included in net cash provided by operating activities in the consolidated statements of cash flows. The Company maintains an allowance for doubtful accounts for estimated losses inherent in its accounts receivable portfolio. In establishing the required allowance, management considers historical losses adjusted to take into account current market conditions and clients’ financial conditions, the amount of receivables in dispute, and the current receivables’ aging and current payment patterns. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. The Company does not have any off-balance-sheet credit exposure related to its clients.

(f) Cash and cash equivalents

Cash and cash equivalents consist of cash and bank balances and all highly liquid investments purchased with an original maturity of three months or less.

(g) Short-term investments

All liquid investments with an original maturity greater than 90 days but less than one year are considered to be short-term investments. Marketable short-term investments are classified and accounted for as available-for-sale investments. Available-for-sale investments are reported at fair value with changes in unrealized gains and losses recorded as a separate component of other comprehensive income (loss) until realized. Realized gains and losses on investments are determined based on the specific identification method and are included in “Other income (expense), net.” The Company does not hold these investments for speculative purposes.

(h) Property, plant and equipment, net

Property, plant and equipment are stated at cost less accumulated depreciation and amortization. Expenditures for replacements and improvements are capitalized, whereas the costs of maintenance and repairs are charged to earnings as incurred. The Company depreciates and amortizes all property, plant and equipment using the straight-line method over the following estimated economic useful lives of the assets:

		Years
Buildings		40
Furniture and fixtures		4
Computer equipment and servers		4
Plant, machinery and equipment		4
Computer software		4-7
Leasehold improvements		Lesser of lease period or 10 Years
Vehicles		3-4

The Company capitalizes certain computer software and software development costs incurred in connection with developing or obtaining computer software for internal use when both the preliminary project stage is completed and it is probable that the software will be used as intended. Capitalized software costs include only (i) external direct costs of materials and services utilized in developing or obtaining computer software, (ii) compensation and related benefits for employees who are directly associated with the software project, and (iii) interest costs incurred while developing internal-use computer software.

2. Summary of significant accounting policies (Continued)

Capitalized computer software costs are included in property, plant and equipment on the Company’s balance sheet and amortized on a straight-line basis when placed into service over the estimated useful lives of the software.

Advances paid towards acquisition of property, plant and equipment outstanding as of each balance sheet date and the cost of property, plant and equipment not put to use before such date are disclosed under “Capital work in progress.”

(i) Business combinations, goodwill and other intangible assets

The Company accounts for its business combinations using the acquisition method of accounting in accordance with ASC 805, Business Combinations, by recognizing the identifiable tangible and intangible assets acquired and liabilities assumed, and any non-controlling interest in the acquired business, measured at their acquisition date fair values. Contingent consideration is included within the acquisition cost and is recognized at its fair value on the acquisition date. A liability resulting from contingent consideration is remeasured to fair value as of each reporting date until the contingency is resolved. Changes in fair value are recognized in earnings. All assets and liabilities of the acquired businesses, including goodwill, are assigned to reporting units. Acquisition-related costs are expensed as incurred under Selling, General and Administrative Expenses.

Goodwill represents the cost of acquired businesses in excess of the fair value of identifiable tangible and intangible net assets purchased. Goodwill is not amortized but is tested for impairment at least on an annual basis on December 31, based on a number of factors, including operating results, business plans and future cash flows. The Company performs an assessment of qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. Based on the assessment of events or circumstances, the Company performs a quantitative assessment of goodwill impairment if it determines that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, based on the quantitative impairment analysis, the carrying value of the goodwill of a reporting unit exceeds the fair value of such goodwill, an impairment loss is recognized in an amount equal to the excess. In addition, the Company performs a qualitative assessment of goodwill impairment between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. See Note 10 for information and related disclosures.

Intangible assets including technology acquired / developed individually or with a group of other assets or in a business combination are carried at cost less accumulated amortization based on their estimated useful lives as follows:

Customer-related intangible assets		1-14 years
Marketing-related intangible assets		1-10 years
Technology-related intangible assets		2-8 years
Other intangible assets		3-5 years

Intangible assets are amortized over their estimated useful lives using a method of amortization that reflects the pattern in which the economic benefits of the intangible assets are consumed or otherwise realized.

In business combinations, where the fair value of identifiable tangible and intangible net assets purchased exceeds the cost of the acquired business, the Company recognizes the resulting gain under “Other operating (income) expense, net” in the Consolidated Statements of Income.

2. Summary of significant accounting policies (Continued)

The Company also capitalizes certain software and technology development costs incurred in connection with developing or obtaining software or technology for sale/lease to customers when the initial design phase is completed and commercial and technological feasibility has been established. Any development cost incurred before technological feasibility is established is expensed as incurred as research and development costs. Technological feasibility is established upon completion of a detailed design program or, in its absence, completion of a working model. Capitalized software and technology costs include only (i) external direct costs of materials and services utilized in developing or obtaining software and technology and (ii) compensation and related benefits for employees who are directly associated with the project.

Costs incurred in connection with developing or obtaining software or technology for sale/lease to customers which are under development and not put to use are disclosed under “intangible assets under development.” Advances paid toward the acquisition of intangible assets outstanding as of each balance sheet date are disclosed under “intangible assets under development.”

Capitalized software and technology costs are included in intangible assets under technology-related intangible assets on the Company’s balance sheet and amortized on a straight-line basis when placed into service over the estimated useful lives of the software and technology.

(j) Impairment of long-lived assets

Long-lived assets, including certain intangible assets, to be held and used are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. Such assets are required to be tested for impairment if the carrying amount of the assets is higher than the future undiscounted net cash flows expected to be generated from the assets. The impairment amount to be recognized is measured as the amount by which the carrying value of the assets exceeds their fair value. The Company determines fair value by using a discounted cash flow approach.

(k) Foreign currency

The Company’s consolidated financial statements are reported in U.S. dollars, the Company’s functional currency. The functional currency for the Company’s subsidiaries organized in Europe, other than the United Kingdom, the Czech Republic, Luxembourg and one subsidiary in Poland, is the euro, and the functional currencies of the Company’s subsidiaries organized in Brazil, China, Colombia, Guatemala, India, Israel, Japan, Morocco, South Africa, the Philippines, Poland, the Czech Republic, Hong Kong, Singapore, Australia and Canada are their respective local currencies. The functional currency of all other Company subsidiaries is the U.S. dollar. The translation of the functional currencies of the Company’s subsidiaries into U.S. dollars is performed for balance sheet accounts using the exchange rates in effect as of the balance sheet date and for revenues and expense accounts using a monthly average exchange rate prevailing during the respective period. The gains or losses resulting from such translation are reported as currency translation adjustments under other comprehensive income (loss), net, under accumulated other comprehensive income (loss) as a separate component of equity.

Monetary assets and liabilities of each subsidiary denominated in currencies other than the subsidiary’s functional currency are translated into their respective functional currency at the rates of exchange prevailing on the balance sheet date. Transactions of each subsidiary in currencies other than the subsidiary’s functional currency are translated into the respective functional currencies at the average monthly exchange rate prevailing during the period of the transaction. The gains or losses resulting from foreign currency transactions are included in the consolidated statements of income.

2. Summary of significant accounting policies (Continued)

(l) Derivative instruments and hedging activities

In the normal course of business, the Company uses derivative financial instruments to manage fluctuations in foreign currency exchange rates and interest rate fluctuation. The Company purchases forward foreign exchange contracts to mitigate the risk of changes in foreign exchange rates on intercompany transactions and forecasted transactions denominated in foreign currencies and interest rate swaps to mitigate interest rate fluctuation risk on its indebtedness.

The Company recognizes derivative instruments and hedging activities as either assets or liabilities in its consolidated balance sheets and measures them at fair value. Gains and losses resulting from changes in fair value are accounted for depending on the use of the derivative and whether it is designated and qualifies for hedge accounting. Changes in the fair values of derivatives designated as cash flow hedges are deferred and recorded as a component of other comprehensive income (loss) reported under accumulated other comprehensive income (loss) until the hedged transactions occur and are then recognized in the consolidated statements of income along with the underlying hedged item and disclosed as part of “Total net revenues,” “Cost of revenue,” “Selling, general and administrative expenses,” and “Interest expense,” as applicable. Changes in the fair value of derivatives not designated as hedging instruments and the ineffective portion of derivatives designated as cash flow hedges are recognized in the consolidated statements of income and are included in foreign exchange gains (losses), net, and other income (expense), net, respectively.

With respect to derivatives designated as hedges, the Company formally documents all relationships between hedging instruments and hedged items, as well as its risk management objectives and strategy for undertaking various hedge transactions. The Company also formally assesses, both at the inception of the hedge and on a quarterly basis, whether each derivative is highly effective in offsetting changes in fair values or cash flows of the hedged item. If it is determined that a derivative or portion thereof is not highly effective as a hedge, or if a derivative ceases to be a highly effective hedge, the Company will prospectively discontinue hedge accounting with respect to that derivative.

In all situations in which hedge accounting is discontinued and the derivative is retained, the Company continues to carry the derivative at its fair value on the balance sheet and recognizes any subsequent change in its fair value in the consolidated statements of income. When it is probable that a forecasted transaction will not occur, the Company discontinues hedge accounting and recognizes immediately, in foreign exchange gains (losses), net in the consolidated statements of income, the gains and losses attributable to such derivative that were accumulated in other comprehensive income (loss).

(m) Income taxes

The Company accounts for income taxes using the asset and liability method of accounting for income taxes. Under this method, income tax expense is recognized for the amount of taxes payable or refundable for the current year. In addition, deferred tax assets and liabilities are recognized for future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their tax bases and all operating loss and tax credit carry forwards, if any. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax laws or rates is recognized in the statement of income in the period that includes the enactment date. Deferred tax assets are reduced by a valuation allowance if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

2. Summary of significant accounting policies (Continued)

The Company applies a two-step approach for recognizing and measuring the benefit of tax positions. The first step is to evaluate the tax position for recognition by determining, based on the technical merits, that the position will more likely than not be sustained upon examination. The second step is to measure the tax benefit as the largest amount of the tax benefit that is greater than 50 percent likely of being realized upon settlement. The Company includes interest and penalties related to underpayment of income taxes within income tax expense.

The Company follows the specific identification approach for releasing stranded tax effects from AOCI upon recognition of these AOCI items in the Company’s statement of income.

(n) Employee benefit plans

Contributions to defined contribution plans are charged to consolidated statements of income in the period in which services are rendered by the covered employees. Current service costs for defined benefit plans are accrued in the period to which they relate. The liability in respect of defined benefit plans is calculated annually by the Company using the projected unit credit method. Prior service cost, if any, resulting from an amendment to a plan is recognized and amortized over the remaining period of service of the covered employees. The Company recognizes its liabilities for compensated absences dependent on whether the obligation is attributable to employee services already rendered, relates to rights that vest or accumulate and payment is probable and estimable.

On January 1, 2018, the Company adopted ASU 2017-07, Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The service cost is recognized under “cost of revenue” and “selling, general and administrative expenses,” depending on the functional area of the underlying employees included in the plans, and the non-operating components of net benefit plan costs are included within “other income (expense), net” in the consolidated statements of income.

The Company records annual amounts relating to its defined benefit plans based on calculations that incorporate various actuarial and other assumptions, including discount rates, mortality, assumed rates of return, compensation increases and turnover rates. The Company reviews its assumptions on an annual or quarterly basis and makes modifications to the assumptions based on current rates and trends when it is appropriate to do so. The effect of modifications to those assumptions is recorded in other comprehensive income (loss) and amortized to net periodic cost over future periods using the corridor method. The Company believes that the assumptions utilized in recording its obligations under its plans are reasonable based on its experience and market conditions.

(o) Deferred Compensation Plans

The Company maintains a non-qualified deferred compensation plan for certain employees. The plan is accounted for using the fair value measurement approach. Plan earnings are calculated by reference to actual earnings of the funds chosen by individual participants. In connection with the administration of this plan, the Company has purchased Company-owned life insurance policies insuring the lives of certain employees, held under a Rabbi Trust. The Company consolidates the invested assets of the trust. The cash surrender value of these insurance policies is included in “other assets” in the consolidated balance sheets at fair value. Gains or losses on the plan’s assets and changes in the fair value of deferred compensation liabilities are included in “other income (expense), net,” and “selling, general and administrative expenses,” respectively, in the consolidated statements of income.

(p) Stock-based compensation

The Company recognizes and measures compensation expense for all stock-based awards based on the grant date fair value. For option awards, grant date fair value is determined under the option-pricing model (Black-Scholes-Merton) and for awards other than option awards, grant date fair value is determined on the basis of the fair market value of a Company common share on the date of grant of such awards. The Company recognizes compensation expense for stock-based awards net of estimated forfeitures. Stock-based compensation recognized in the consolidated statements of income is based on awards ultimately expected to vest. As a result, the expense has been reduced for estimated forfeitures. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from such estimates.

2. Summary of significant accounting policies (Continued)

(q) Accelerated Share Repurchase

The Company entered into an accelerated share repurchase (“ASR”) agreement in 2017 with a third-party financial institution to repurchase shares of the Company’s common stock. Under the ASR agreement, the Company paid an upfront amount to the financial institution and received an initial delivery of shares. Upon an interim delivery and settlement of the ASR agreement, the financial institution delivered additional shares to the Company, with the final number of shares delivered determined by reference to the volume-weighted average price of the Company’s common shares over the term of the agreement, less an agreed-upon discount. The transactions were accounted for as equity transactions. All shares repurchased under the ASR agreement were retired. The number of weighted average common shares outstanding used by the Company for purposes of calculating basic and diluted earnings per share was reduced as of the date of delivery of the common shares.

(r) Government incentives

The Company recognizes incentives in the consolidated statement of income under “other income (expense), net.” Incentives are recognized in the income statement when there is reasonable assurance that the Company will comply with the conditions for their receipt and a reasonable expectation that the funds will be received. In certain circumstances, the receipt of an incentive may not be subject to any condition or requirement to incur further costs, in which case the incentive is recognized in the income statement for the period in which it becomes receivable. In the event that it becomes likely that the Company will be required to repay an incentive that has already been recognized, the Company makes a provision for the estimated liability.

(s) Financial instruments and concentration of credit risk

Financial instruments that potentially subject the Company to concentration of credit risk are reflected principally in cash and cash equivalents, derivative financial instruments and accounts receivable. The Company places its cash and cash equivalents and derivative financial instruments with corporations and banks with high investment grade ratings, limits the amount of credit exposure with any one corporation or bank and conducts ongoing evaluations of the creditworthiness of the corporations and banks with which it does business. To reduce its credit risk on accounts receivable, the Company conducts ongoing credit evaluations of its clients. GE accounted for 11% of the Company’s receivables as of both December 31, 2017 and 2018. GE accounted for 14%, 10% and 9% of the Company’s revenues in the years ended December 31, 2016, 2017 and 2018, respectively.

(t) Earnings (loss) per share

Basic earnings per share is computed using the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed using the weighted average number of common and dilutive common equivalent shares outstanding during the period. For the purposes of calculating diluted earnings per share, the treasury stock method is used for stock-based awards except where the results would be anti-dilutive.

(u) Commitments and contingencies

Liabilities for loss contingencies arising from claims, assessments, litigation, fines and penalties, and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. Legal costs incurred in connection with such liabilities are expensed as incurred.

(v) Debt Restructuring

The Company accounts for any restructuring of its credit facility using the ten percent cash flow test in accordance with ASC 470, Debt. If the cash flow effect of the change in terms on a present-value basis is less than ten percent, the debt instruments are not considered to be substantially different, and are accounted for as a modification. If the change is more than ten percent, it is treated as an extinguishment. In performing the cash flow test, the Company includes all amounts paid to its lenders in connection with the restructuring but excludes third party expenses. In the case of a modification, all new fees paid to lenders are capitalized and amortized as part of the existing effective yield and any new fees paid to third parties are expensed as incurred under selling, general and administrative expenses. No gain or loss is recorded in the case of a modification. In the case of an extinguishment, all new fees paid to lenders are expensed as incurred under selling, general and administrative expenses and any new fees paid to third parties are capitalized and amortized as a debt issuance cost. The old debt is derecognized and the new debt is recorded at fair value and a gain or loss is recorded for the difference between the net carrying value of the original debt and the fair value of the new debt.

2. Summary of significant accounting policies (Continued)

(w) Recently issued accounting pronouncements

The authoritative bodies release standards and guidance which are assessed by management for impact on the company’s consolidated financial statements.

The following recently released accounting standard has been adopted by the Company:

In March 2016, the FASB issued ASU 2016-09, Compensation—Stock Compensation (Topic 718): Improvement to Employee Share-Based Payment Accounting. The new standard contains several amendments that will simplify the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, statutory tax withholding requirements, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The changes in the new standard eliminate the requirement for excess tax benefits to be recognized in additional paid-in capital and tax deficiencies recognized either in income tax expense or in additional paid-in capital. In the quarter ended December 31, 2016, the Company elected to early adopt ASU 2016-09 effective January 1, 2016 and applied ASU 2016-09 using a modified retrospective approach. The treatment of forfeitures has not changed as the Company is electing to continue its current process of estimating the number of forfeitures. With the early adoption of ASU 2016-09, the Company has elected to present the cash flow statement on a prospective transition method and no prior periods have been adjusted.

The Company adopted ASC Topic 606, Revenue from Contracts with Customers, with a date of initial application of January 1, 2018 using the modified retrospective method. The cumulative impact of the adoption of this standard is described in section (c) above.

In February 2018, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2018-02, “Income Statement – Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.” The new standard provides guidance to “allow a reclassification from accumulated other comprehensive income (“AOCI”) to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act.” The guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those years, and the guidance may be applied either in the period of adoption or retrospectively to each period (or periods) in which the effect of the change in the U.S. federal income tax rate in the Tax Cuts and Jobs Act is recognized. Early adoption is permitted. On January 1, 2018, the Company elected the early adoption of ASU 2018-02, which was adopted at the beginning of the period and no prior periods have been adjusted.

In addition, the following recently released accounting standards have been adopted by the Company. Adoption of these standards did not have a material impact on the Company’s consolidated results of operations, cash flows, financial position or disclosures:

Effective January 1, 2016, the Company adopted FASB ASU 2015-01 (Topic 225): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items (“ASU 2015-01”). Such items are defined as transactions or events that are both unusual in nature and infrequent in occurrence, and, currently, are required to be presented separately in the income statement, net of income tax, after income from continuing operations. The changes eliminate the concept of an extraordinary item and, therefore, the presentation of such items will no longer be required. Notwithstanding this change, the Company will still be required to present and disclose a transaction or event that is both unusual in nature and infrequent in occurrence in the notes to the consolidated financial statements.

Effective January 1, 2016, the Company adopted FASB ASU 2015-16 (Topic 805), Business Combinations (“ASU 2015-16”), which eliminates the requirement for an acquirer in a business combination to account for measurement-period adjustments retrospectively. The guidance requires that the acquirer shall recognize adjustments to provisional amounts that are identified during the measurement period in the reporting period in which the adjustment amounts are determined.

2. Summary of significant accounting policies (Continued)

Effective January 1, 2016, the Company adopted FASB ASU 2015-02. In February 2015, the FASB issued ASU No. 2015-02, Amendment to the Consolidation Analysis, which specifies changes to the analysis that an entity must perform to determine whether it should consolidate certain types of legal entities. These changes (i) modify the evaluation of whether limited partnerships and similar legal entities are variable interest entities or voting interest entities, (ii) eliminate the presumption that a general partner should consolidate a limited partnership, (iii) affect the consolidation analysis of reporting entities that are involved with variable interest entities, particularly those that have fee arrangements and related party relationships, and (iv) provide a scope exception from consolidation guidance for reporting entities with interests in legal entities that are required to comply with or operate in accordance with requirements that are similar to those in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds.

Effective January 1, 2017, the Company adopted FASB ASU 2016-06, Derivatives and Hedging (Topic 815). The amendments in this update clarify the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. An entity performing the assessment under the amendments in this update is required to assess the embedded call (put) options solely in accordance with a four-step decision sequence.

Effective January 1, 2017, the Company early adopted FASB ASU 2016-15, "Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments." The new guidance is intended to reduce diversity in how certain transactions are classified in the statement of cash flows.

Effective January 1, 2018, the Company adopted FASB ASU 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business.” The new guidance revises the definition of a business. The definition of a business affects many areas of accounting (e.g., acquisitions, disposals, goodwill impairment, consolidation).

Effective January 1, 2018, the Company adopted FASB ASU 2016-16, “Intra-Entity Transfers of Assets Other Than Inventory.” The new guidance eliminates the exception for deferment of tax recognition until the transferred asset is sold to a third party or otherwise recovered through use for all intra-entity sales of assets other than inventory.

Effective January 1, 2018, the Company adopted FASB ASU 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” The ASU requires entities to (1) disaggregate the current service-cost component from the other components of net benefit cost (the “other components”) and present it with other current compensation costs for related employees in the income statement and (2) present the other components elsewhere in the income statement and outside of income from operations if that subtotal is presented. In addition, the

ASU requires entities to disclose the income statement lines that contain the other components if they are not presented on appropriately described separate lines.

The following recently released accounting standards have not yet been adopted by the Company:

In February 2016, FASB established Topic 842, “Leases”, by issuing ASU No. 2016-02, which requires lessees to recognize leases on-balance sheet and disclose key information about leasing arrangements. The ASU requires extensive qualitative and quantitative disclosures, including with respect to significant judgments made by management. Subsequently, the FASB issued ASU No. 2017-13, in September 2017, ASU No. 2018-01, in January 2018, ASU No. 2018-10, in July 2018, ASU No. 2018-11, in July 2018, ASU No. 2018-20, in December 2018 which amends and clarifies ASU 2016-02. The ASU will be effective for the Company beginning January 1, 2019, including interim periods in the fiscal year 2019. Early adoption is permitted. The Company will use a modified retrospective adoption approach using a cumulative effect adjustment to the opening balance of retained earnings in the period of adoption with the effective date as its date of initial application on January 1, 2019, in its first reporting on adoption.

The Company has concluded its assessment of adopting ASU No. 2016-02 and expects that this standard will have a material effect on its financial statements. The assessment included reviewing existing leases and service contracts, which may include embedded leases. The Company is in the process of making necessary changes to its policies, processes, and internal controls as well as system enhancements to generate the information necessary for the new disclosures. The most significant effects of this new standard on the Company relate to (1) the recognition of new ROU (“Right of Use”) assets and lease liabilities on its balance sheet for various real estate operating leases and (2) providing significant new disclosures about its leasing activities.

2. Summary of significant accounting policies (Continued)

The Company has elected the “package of practical expedients,” which allows the Company not to reassess under the new standard its prior conclusions about lease identification, lease classification and initial direct costs. The Company has also elected the practical expedient to not separate lease and non-lease components for all of its leases. As a result of adoption of the ASU, the Company will recognize additional liabilities ranging from $320,000 to $340,000, with corresponding ROU assets ranging from $300,000 to $320,000 based on the present value of the remaining minimum rental payments under current leasing standards for existing leases.

In June 2016, the FASB issued ASU No. 2016-13, “Measurement of credit losses on financial instruments.” The ASU requires measurement and recognition of expected credit losses for financial assets held by the Company. The ASU is effective for the Company beginning January 1, 2020, including interim periods in fiscal year 2020. Subsequently, the FASB issued ASU No. 2018-19, in November 2018 which amends and clarifies some parts of ASU 2016-13.Early adoption is permitted. The Company is in the process of assessing the impact of this ASU on its consolidated results of operations, cash flows, financial position and disclosures.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging.” The amendment expands an entity’s ability to do hedge accounting to non-financial and financial risk components and requires changes in fair value of hedging instruments to be presented in the same income statement line as the hedged item. The ASU also amends the presentation and disclosure requirements for the effect of hedge accounting. Subsequently, the FASB issued ASU No. 2018-16 in October 2018 which includes the Secured Overnight Financing Rate (SOFR) Overnight Index Swap (OIS) rate as a benchmark interest rate for hedge accounting purposes. These ASUs are effective for the Company beginning January 1, 2019, including interim periods in the fiscal year 2019. The Company does not expect the adoption of this update to have a material impact on its consolidated results of operations, cash flows, financial position or disclosures.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement.” The ASU modifies the disclosure requirements with respect to fair value measurements. The ASU is effective for the Company beginning January 1, 2020, including interim periods in fiscal year 2020. Early adoption is permitted. The Company is in the process of assessing the impact of this ASU on its consolidated results of operations, cash flows, financial position and disclosures.

In August 2018, the FASB issued ASU No. 2018-14, “Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans.” The ASU modifies the disclosure requirements with respect to defined benefit pension plans. The ASU is effective for the Company beginning January 1, 2021. Early adoption is permitted. The Company is in the process of assessing the impact of this ASU on its consolidated results of operations, cash flows, financial position and disclosures.

In August 2018, the FASB issued ASU No. 2018-15, “Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract.” The ASU modifies the capitalization requirements with respect to implementation costs incurred by the customer in a hosting arrangement that is a service contract. The ASU is effective for the Company beginning January 1, 2020. Early adoption is permitted. The Company is in the process of assessing the impact of this ASU on its consolidated results of operations, cash flows, financial position and disclosures.

(w) Reclassification

Certain reclassifications have been made in the consolidated financial statements of prior periods to conform to the classification used in the current period. The impact of such reclassifications on the consolidated financial statements is not material.

Business acquisitions and divestiture

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Business acquisitions and divestiture

3. Business acquisitions and divestiture

A. Certain acquisitions

(a) Barkawi Management Consultants GmbH & Co. KG and certain related entities

On August 30, 2018, the Company acquired 100% of the outstanding equity/partnership interests in Barkawi Management Consultants GmbH & Co. KG, a German limited partnership, and certain affiliated entities in the United States, Germany and Austria (collectively referred to as “Barkawi”) for total purchase consideration of $101,307. This amount includes cash consideration of $95,625, net of cash acquired of $5,682. The total purchase consideration paid by the Company was $100,969, resulting in a payable of $338, which is outstanding as of December 31, 2018. During the quarter ended December 31, 2018, the Company recorded certain measurement period adjustments. These adjustments did not have a significant impact on the Company’s consolidated statements of income, balance sheets or cash flows. The Company is evaluating adjustments related to certain tax positions, which, when determined, may result in the recognition of additional assets and liabilities as of the acquisition date. The measurement period will not exceed one year from the acquisition date. This acquisition enhances the Company’s supply chain management consulting capabilities.

In connection with the acquisition of Barkawi, the Company recorded $10,200 in customer-related intangibles and $1,800 in marketing-related intangibles, which have a weighted average amortization period of three years. Goodwill arising from the acquisition amounted to $81,250, which includes measurement period adjustments and has been allocated to the Company’s India reporting unit and is partially deductible for tax purposes. The goodwill represents primarily the consulting expertise, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

Acquisition-related costs of $1,842 have been included in selling, general and administrative expenses as incurred. In connection with the transaction, the Company also acquired certain assets with a value of $17,314, assumed certain liabilities amounting to $10,149 and recognized a net deferred tax asset of $892. The results of operations of the acquired business and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the date of the acquisition.

(b) Commonwealth Informatics Inc.

On July 3, 2018, the Company acquired 100% of the outstanding equity interest in Commonwealth Informatics Inc. (“Commonwealth”), a Massachusetts corporation, for preliminary purchase consideration of $17,599. This amount includes cash consideration of $16,123, net of cash acquired of $1,477, and preliminary adjustments for working capital and indebtedness. As of December 31, 2018, the total consideration paid by the Company to the sellers was $17,333, resulting in a payable of $266. The Company is evaluating certain tax positions, which, when determined, may result in the recognition of additional assets and liabilities as of the acquisition date. The measurement period will not exceed one year from the acquisition date. This acquisition enhances the Company’s signal management and pharmacovigilance capabilities for clients in the life sciences industry.

In connection with the acquisition of Commonwealth, the Company recorded $2,200 in customer-related intangibles and $2,600 in technology-related intangible assets, which have a weighted average amortization period of four years. Goodwill arising from the acquisition amounted to $11,248, which has been allocated to the Company’s India reporting unit and is deductible for tax purposes. The goodwill represents primarily the acquired capabilities, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

Acquisition-related costs of $521 have been included in selling, general and administrative expenses as incurred. In connection with the transaction, the Company also acquired certain assets with a value of $2,583 and assumed certain liabilities amounting to $1,032. The results of operations of the acquired business and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the date of the acquisition.

3. Business acquisitions and divestiture (Continued)

On January 8, 2016, the Company acquired 51% of the outstanding equity interest in Strategic Sourcing Excellence LLC (“SSE”), a Delaware limited liability company. The total consideration paid by the Company to the selling equity holders for the acquired interest in SSE was $14,541. This amount includes the fair value of earn-out consideration, cash consideration of $2,550, adjusted for working capital, transaction expenses, indebtedness and measurement period adjustments which did not have a significant impact on the Company’ consolidated statements of income, balance sheets or cash flows in the adjustment periods. The equity purchase agreement between the Company and the selling equity holders of SSE also provided for contingent earn-out consideration of up to $20,000, payable by the Company to the selling equity holders based on the future performance of the acquired business relative to the thresholds specified in the earn-out calculation. Up to $9,800 of the total potential earn-out consideration, representing the selling equity holders’ redeemable, non-controlling 49% interest in SSE, was payable only if either the put or call option, each as described below, was exercised. This acquisition enhanced the Company’s sourcing and procurement consulting domain expertise.

The equity purchase agreement granted the Company a call option to purchase the remaining 49% equity interest in SSE, which the Company had the right to exercise between January 1, 2018 and January 31, 2018. As the Company did not exercise its call option during such period, the selling equity holders exercised their put option on March 1, 2018 in accordance with the terms of the equity purchase agreement to require the Company to purchase their 49% interest in SSE for $2,950. The Company also paid $1,780 in earn-out consideration to the selling equity holders during the three months ended March 31, 2018. The amount paid in excess of carrying amount has been recorded in additional paid-in capital.

Acquisition-related costs of $164 have been included in selling, general and administrative expenses as incurred. Through this transaction, the Company acquired assets with a value of $412 and assumed liabilities amounting to $617. The results of operations of the acquired business, the fair value of the acquired assets and assumed liabilities, and redeemable non-controlling interest are included in the Company’s Consolidated Financial Statements with effect from the date of the acquisition.

In connection with the transaction, the Company recorded $300 in customer-related intangible assets with an amortization period of five years. Goodwill arising from the acquisition amounted to $14,445, which has been allocated to the Company’s India reporting unit and is deductible for tax purposes. The goodwill represents future economic benefits the Company expects to derive from its expanded presence in the sourcing and procurement consulting domains, operating synergies and other anticipated benefits of combining the acquired operations with those of the Company.

(d) TandemSeven, Inc.

On September 5, 2017, the Company acquired 100% of the outstanding equity interest in TandemSeven, Inc. (“TandemSeven”), a Massachusetts corporation, for total purchase consideration of $35,637. This amount includes cash consideration of $31,784, net of cash acquired of $3,853, and an adjustment for working capital and indebtedness. During the quarter ended March 31, 2018, the Company recorded certain measurement period adjustments. These adjustments did not have a significant impact on the Company’s consolidated statements of income, balance sheets or cash flows. TandemSeven’s focus on improving the design of customer experiences complements the Company’s existing capabilities aimed at transforming clients’ processes end-to-end.

In connection with the acquisition of TandemSeven, the Company recorded $2,000 in customer-related intangibles, $1,700 in marketing-related intangibles and $800 in technology-related intangible assets, which have a weighted average amortization period of two years. Goodwill arising from the acquisition amounted to $25,227, which has been allocated to the Company’s India reporting unit and is deductible for tax purposes. The goodwill represents primarily the acquired design expertise, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

Acquisition-related costs of $932 have been included in selling, general and administrative expenses as incurred. In connection with the transaction, the Company also acquired certain assets with a value of $7,378, assumed certain liabilities amounting to $1,207 and recognized a net deferred tax liability of $260. The results of operations of the acquired business and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the date of the acquisition.

3. Business acquisitions and divestiture (Continued)

(e) BrightClaim LLC and associated companies

On May 3, 2017, the Company acquired 100% of the outstanding equity interest in each of BrightClaim LLC, a Delaware limited liability company, BrightServe LLC, a Georgia limited liability company, National Vendor LLC, a Delaware limited liability company, and BrightClaim Blocker, Inc., a Delaware corporation (collectively referred to as “BrightClaim”) for total purchase consideration of $56,461. This amount includes cash consideration of $52,395, net of cash acquired of $4,002, adjusted for working capital, net debt, transaction expenses and measurement period adjustments which did not have a significant impact on the Company’ consolidated statements of income, balance sheets or cash flows in the period of adjustments. This acquisition enhanced the Company’s breadth and depth of service offerings for clients in the insurance industry.

In connection with the acquisition of BrightClaim, the Company recorded $8,000 in customer-related intangibles, $3,200 in marketing related intangibles, $2,200 in technology-related intangibles and $200 in other intangibles, which have a weighted average amortization period of four years. Goodwill arising from the acquisition amounted to $42,638, which has been allocated to the Company’s India reporting unit and is partially deductible for tax purposes. The goodwill represents primarily the capabilities, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

Acquisition-related costs of $1,563 have been included in selling, general and administrative expenses as incurred. In connection with the transaction, the Company also acquired certain assets with a value of $10,367, assumed certain liabilities amounting to $7,415, and recognized a net deferred tax liability of $2,728. The results of operations of the acquired business and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the date of the acquisition.

(f) RAGE Frameworks, Inc.

On April 13, 2017, the Company acquired 100% of the outstanding equity interest in RAGE Frameworks, Inc. (“RAGE”), a Delaware corporation, for total consideration of $125,329. This amount includes cash consideration of $124,149, net of cash acquired of $1,605, and an adjustment for working capital and indebtedness. During the quarters ended December 31, 2017 and June 30, 2018, the Company recorded certain measurement period adjustments. These measurement period adjustments did not have a significant impact on the Company’s consolidated statements of income, balance sheets or cash flows. This acquisition enhances the Company’s digital and artificial intelligence capabilities by adding knowledge-based automation technology and services.

In connection with the acquisition of RAGE, the Company recorded $1,600 in customer-related intangibles, $600 in marketing-related intangibles, $12,400 in technology-related intangible assets and $100 in other intangible assets, which have a weighted average amortization period of seven years. Goodwill arising from the acquisition amounted to $105,451, which has been allocated to the Company’s India reporting unit and is not deductible for tax purposes. The goodwill represents primarily the acquired digital and artificial intelligence capabilities, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

Acquisition-related costs of $881 have been included in selling, general and administrative expenses as incurred. In connection with the transaction, the Company also acquired certain assets with a value of $13,836 and assumed certain liabilities amounting to $9,752. The Company also recognized a net deferred tax asset of $1,094. The results of operations of the acquired business and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the date of the acquisition.

3. Business acquisitions and divestiture (Continued)

(g) Other acquisitions in 2017

In 2017, the Company also completed five individually immaterial business acquisition transactions, namely the acquisition of a supply chain management delivery center in the U.S. (“U.S. Delivery Center”), the purchase of all of the outstanding equity interest in OnSource, LLC (“OnSource”), the purchase of the IT business of Birlasoft (“Birlasoft”), the purchase of the image processing business of Fiserv Solutions of Australia Pty Ltd. (“Fiserv”) and the purchase of all of the outstanding equity interest in Lease Dimensions, Inc. (“Lease Dimensions”). The aggregate total consideration the Company paid to consummate these acquisitions was $87,586. This aggregate amount includes the fair value of contingent earn-out consideration, cash consideration of $76,612, net of cash acquired of $254, and adjustments for closing date working capital, indebtedness, value transfer, seller transaction expenses and certain employee-related liabilities. In addition, this amount reflects measurement period adjustments related to the Birlasoft and Fiserv transactions. These adjustments did not have a significant impact on the Company’s consolidated statements of income, balance sheets or cash flows in the periods in which they were made.

The U.S. Delivery Center acquisition enhanced the Company’s supply chain management capabilities for its clients in the consumer packaged goods industry. The OnSource acquisition brought incremental digital capabilities to the Company’s insurance service offerings. The Birlasoft transaction expanded the Company’s end-to-end capabilities for its clients in the healthcare and aviation industries. The Fiserv transaction strengthened the Company’s financial services portfolio and expanded its Australia footprint. The Lease Dimensions acquisition enhanced the Company’s capabilities in commercial lending and leasing.

The purchase agreement for the acquisition of the U.S. Delivery Center provides for contingent earn-out consideration ranging from $0 to $10,000, payable by the Company to the seller based on the achievement of certain milestones relative to the thresholds specified in the earn-out calculation. The purchase agreement for the Lease Dimensions acquisition provides for contingent earn-out consideration ranging from $0 to $3,000, payable by the Company to the sellers based on the future performance of the business relative to the thresholds specified in the earn-out calculation.

In connection with these transactions, the Company recorded $33,494 in customer-related intangibles, $1,936 in marketing-related intangibles, $2,956 in technology-related intangibles and $100 in other intangibles, which have a weighted average amortization period of five years. Goodwill arising from these acquisitions amounted to $56,521. The goodwill represents primarily the capabilities, operating synergies and other benefits expected to result from combining the acquired operations with those of the Company.

The following table sets forth, with respect to each of the five acquisitions, the acquisition date, goodwill reporting unit and the tax deductibility of the goodwill:


Acquisition	Acquisition date	Goodwill reporting unit	Tax deductibility - goodwill
U.S. Delivery Center	October 16, 2017	India	Deductible
OnSource	July 18, 2017	India	Deductible
Birlasoft	July 18, 2017	IT Services	Deductible
Fiserv	May 11, 2017	India	Non-deductible
Lease Dimensions	February 15, 2017	Americas	Non-deductible

Acquisition-related costs for these acquisitions, amounting to $2,369 in the aggregate, have been included in selling, general and administrative expenses as incurred. Through these transactions, the Company acquired assets with a value of $10,387, assumed liabilities amounting to $11,239, and recognized a net deferred tax liability of $6,570. The results of operations of the acquired businesses and the fair value of the acquired assets and assumed liabilities are included in the Company’s consolidated financial statements with effect from the respective dates of the acquisitions.

3. Business acquisitions and divestiture (Continued)

B. Divestiture

(a) A portion of IT support business in Europe

In November 2017, the Company completed the sale of a portion of its legacy IT support business in Europe (the “Business”). Sale proceeds were $0. During the year ended December 31, 2017, the Business recorded net revenues of $4,546 and a net loss of $9,706.

The Company recorded a loss of $5,668 in its consolidated statement of income in connection with the sale of the Business, calculated as follows:

Net sale proceeds	$	—
Net assets of the business, including the translation impact thereof		5,569
Selling expenses		99
Loss on divestiture included in other income (expense), net	$	5,668

Cash and cash equivalents

12 Months Ended

Dec. 31, 2018

Cash And Cash Equivalents [Abstract]

Accounts receivable, net of reserve for doubtful receivables

4. Cash and cash equivalents

	As of December 31,
	2017		2018
Cash and other bank balances	$	504,468	$	368,396
Total	$	504,468	$	368,396

Accounts receivable, net of reserve for doubtful receivables

12 Months Ended

Dec. 31, 2018

Receivables [Abstract]

5. Accounts receivable, net of reserve for doubtful receivables

The following table provides details of the Company’s reserve for doubtful receivables:


	Year ended December 31,
	2016			2017			2018
Opening balance as of January 1	$	11,530		$	15,519		$	23,660
Additions due to acquisitions		—			235			—
Additions charged/reversal released to cost and expense		7,282			9,819			1,857
Deductions/effect of exchange rate fluctuations		(3,293	)		(1,913	)		(1,557	)
Closing balance	$	15,519		$	23,660		$	23,960

Accounts receivable were $716,745 and $798,144 , and reserves for doubtful receivables were $23,660 and $23,960, resulting in net accounts receivable balances of $693,085 and $774,184 as of December 31, 2017 and 2018, respectively. In addition, accounts receivable due after one year amounting to $1,624 and $4,099 as of December 31, 2017 and 2018, respectively, are included under other assets in the consolidated balance sheets.

Accounts receivable from related parties were $36 and $99 as of December 31, 2017 and 2018, respectively. There are no doubtful receivables in amounts due from related parties.

Derivative Instruments And Hedging Activities Disclosure [Abstract]

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

+ References + Details

Fair Value Measurements

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

6. Fair Value Measurements

The Company measures certain financial assets and liabilities, including derivative instruments, at fair value on a recurring basis. The fair value measurements of these financial assets and liabilities were determined using the following inputs as of December 31, 2017 and 2018:

	As of December 31, 2017
	Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Other Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets
Derivative instruments (Note a, c)	$	73,098	$	—	$	73,098	$	—
Total	$	73,098	$	—	$	73,098	$	—
Liabilities
Earn out consideration (Note b, d)	$	24,732	$	—	$	—	$	24,732
Derivative instruments (Note b, c)	$	18,188	$	—	$	18,188	$	—
Total	$	42,920	$	—	$	18,188	$	24,732
Redeemable non-controlling interest (Note e)	$	4,750	$	—	$	—	$	4,750

	As of December 31 2018
	Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Other Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets
Derivative instruments (Note a, c)	$	44,099	$	—	$	44,099	$	—
Deferred compensation plan assets (a, f)		1,613		—		—		1,613
Total	$	45,712	$	—	$	44,099	$	1,613
Liabilities
Earn-out consideration (Note b, d)	$	17,073	$	—	$	—	$	17,073
Derivative instruments (Note b, c)		35,245		—		35,245		—
Deferred compensation plan liability (b, g)		1,582		—		—		1,582
Total	$	53,900	$	—	$	35,245	$	18,655

(a)	Included in “prepaid expenses and other current assets” and “other assets” in the consolidated balance sheets.

(b)	Included in “accrued expenses and other current liabilities” and “other liabilities” in the consolidated balance sheets.

(c)	The Company values its derivative instruments based on market observable inputs, including both forward and spot prices for the relevant currencies and interest rate indices for relevant interest rates. The quotes are taken from an independent market database.

(d)

The fair value of earn-out consideration, calculated as the present value of expected future payments to be made to the sellers of acquired businesses, was derived by estimating the future financial performance of the acquired businesses using the earn-out formula and performance targets specified in each purchase agreement and adjusting the result to reflect the Company’s estimate of the likelihood of achievement of such targets. Given the significance of the unobservable inputs, the valuations are classified in level 3 of the fair value hierarchy.

(e)

The Company’s estimate of the fair value of redeemable non-controlling interest as of December 31, 2017 is based on unobservable inputs considering the assumptions that market participants would make in pricing the obligation. Given the significance of the unobservable inputs, the valuation was classified in level 3 of the fair value hierarchy. Refer to Note 3—Business Acquisitions.

(f)

Deferred compensation plan assets consist of life insurance policies held under a Rabbi Trust. Assets held in the Rabbi Trust are valued based on the cash surrender value of the insurance contract, which is determined based on the fair value of the underlying assets included in the insurance portfolio and are therefore classified within level 3 of the valuation hierarchy.

6. Fair Value Measurements (Continued)

(g)	The fair value of the deferred compensation plan liability is derived based on the fair value of the underlying assets in the insurance policies and is therefore classified within level 3 of the valuation hierarchy.

The following table provides a roll-forward of the fair value of earn-out consideration categorized as level 3 in the fair value hierarchy for the years ended December 31, 2017 and 2018:


	Year ended December 31,
	2017			2018
Opening balance	$	22,435		$	24,732
Earn-out consideration payable in connection with acquisitions		10,720			—
Payments made on earn-out consideration		(7,239	)		(3,356	)
Change in fair value of earn out consideration (Note a)		(3,695	)		(5,655	)
Others (Note b)		2,511			1,352
Ending balance	$	24,732		$	17,073

(a)	Changes in the fair value of earn-out consideration are reported in “other operating (income) expense, net” in the consolidated statements of income.

(b)

Interest expense is included in “interest income (expense), net” and the impact of changes in foreign exchange is reported in “foreign exchange gains (losses), net” in the consolidated statements of income. The cumulative translation adjustment is reported as a component of “other comprehensive income (loss).”

The following table provides a roll-forward of the fair value of deferred compensation plan assets categorized as level 3 in the fair value hierarchy for the year ended December 31, 2017 and 2018:

	Year ended December 31,
	2017		2018
Opening balance	$	—	$	—
Redemptions		—	—
Additions		—		1,669
Change in fair value of deferred compensation plan assets (note a)		—		(56	)
Closing balance	$	—	$	1,613

(a)	Changes in the fair value of plan assets are reported in “other income (expense), net” in the consolidated statements of income.

The following table provides a roll-forward of the fair value of deferred compensation liabilities categorized as level 3 in the fair value hierarchy for the year ended December 31, 2017 and 2018:

	Year ended December 31,
	2017		2018
Opening balance	$	—	$	—
Redemptions		—	—
Additions		—	1669
Change in fair value of deferred compensation plan liabilities (note a)		—		(87	)
Closing balance	$	—	$	1,582

(a)

Changes in the fair value of deferred compensation liabilities are reported in “selling, general and administrative expenses” in the consolidated statements of income.

Derivative financial instruments

12 Months Ended

Dec. 31, 2018

Derivative financial instruments

7. Derivative financial instruments

The Company is exposed to the risk of rate fluctuations on foreign currency assets and liabilities and on foreign currency denominated forecasted cash flows. The Company has established risk management policies, including the use of derivative financial instruments to hedge foreign currency assets and liabilities and foreign currency denominated forecasted cash flows and interest rate risks. These derivative financial instruments are largely deliverable and non-deliverable forward foreign exchange contracts and interest rate swaps. The Company enters into these contracts with counterparties that are banks or other financial institutions, and the Company considers the risk of non-performance by such counterparties not to be material. The forward foreign exchange contracts and interest rate swaps mature over periods of up to 60 months and the forecasted transactions are expected to occur during the same periods.

The following table presents the aggregate notional principal amounts of outstanding derivative financial instruments together with the related balance sheet exposure:

	Notional principal amounts (note a)				Balance sheet exposure asset (liability) (note b)
	As of December 31, 2017		As of December 31, 2018		As of December 31, 2017			As of December 31, 2018
Foreign exchange forward contracts denominated in:
United States Dollars (sell) Indian Rupees (buy)	$	1,289,400	$	1,439,000	$	54,398		$	(3,643	)
United States Dollars (sell) Mexican Peso (buy)		9,000		—		(441	)		—
United States Dollars (sell) Philippines Peso (buy)		76,650		55,800		69			(1,510	)
Euro (sell) United States Dollars (buy)		170,542		136,412		(2,069	)		4,804
Pound Sterling (buy) United States Dollars (sell)		24,041		128		253			(128	)
Euro (sell) Romanian Leu (buy)		35,826		41,198		(892	)		(299	)
Japanese Yen (sell) Chinese Renminbi (buy)		60,768		40,568		1,918			(2,195	)
Pound Sterling (sell) United States Dollars (buy)		80,871		27,517		(2,478	)		495
Australian Dollars (sell) United States Dollars (buy)		136,092		89,780		(5,180	)		3,548
Interest rate swaps (floating to fixed)		432,117		507,425		9,332			7,782
						54,910			8,854

(a)

Notional amounts are key elements of derivative financial instrument agreements but do not represent the amount exchanged by counterparties and do not measure the Company’s exposure to credit, foreign exchange, interest rate or other market risks. However, the amounts exchanged are based on the notional amounts and other provisions of the underlying derivative financial instrument agreements.

(b)	Balance sheet exposure is denominated in U.S. dollars and denotes the mark-to-market impact of the derivative financial instruments on the reporting date.

FASB guidance on derivatives and hedging requires companies to recognize all derivative instruments as either assets or liabilities at fair value in the balance sheet. In accordance with the FASB guidance on derivatives and hedging, the Company designates foreign exchange forward contracts and interest rate swaps as cash flow hedges. Foreign exchange forward contracts are entered into to cover the effects of future exchange rate variability on forecasted revenue and purchases of services, and interest rate swaps are entered into to cover interest rate fluctuation risk. In addition to this program, the Company uses derivative instruments that are not accounted for as hedges under the FASB guidance in order to hedge foreign exchange risks related to balance sheet items, such as receivables and intercompany borrowings, that are denominated in currencies other than the Company’s underlying functional currency.

7. Derivative financial instruments (Continued)

The fair values of the Company’s derivative instruments and their location in the Company’s financial statements are summarized in the table below:

	Cash flow hedges				Non-designated
	As of December 31, 2017		As of December 31, 2018		As of December 31, 2017		As of December 31, 2018
Assets
Prepaid expenses and other current assets	$	43,557	$	23,038	$	4,635	$	11,490
Other assets	$	24,906	$	9,571	$	—	$	—
Liabilities
Accrued expenses and other current liabilities	$	10,092	$	15,148	$	254	$	225
Other liabilities	$	7,842	$	19,872	$	—	$	—

Cash flow hedges

For derivative instruments that are designated and qualify as cash flow hedges, the effective portion of the gain (loss) on the derivative instrument is reported as a component of other comprehensive income (loss) and reclassified into earnings in the same period or periods during which the hedged transaction is recognized in the consolidated statements of income. Gains (losses) on the derivatives, representing either hedge ineffectiveness or hedge components excluded from the assessment of effectiveness, are recognized in earnings as incurred.

In connection with cash flow hedges, the gains (losses) recorded as a component of other comprehensive income (loss), or OCI, and the related tax effects are summarized below:

	Year ended December 31,
	2016									2017							2018
	Before-Tax amount			Tax (Expense) or Benefit			Net of tax Amount			Before-Tax amount		Tax (Expense) or Benefit			Net of tax Amount		Before-Tax amount			Tax (Expense) or Benefit			Net of tax Amount
Opening balance	$	(30,090	)	$	9,830		$	(20,260	)	$	37,461	$	(13,979	)	$	23,482	$	50,529		$	(14,436	)	$	36,093
Adoption of ASU 2018-02 (refer to note 25)		—			—			—			—		—			—		—			2,265			2,265
Net gains (losses) reclassified into statement of income on completion of hedged transactions (Note (a))		(6,799	)		409			(6,390	)		54,494		(17,725	)		36,769		9,336			(1,073	)		8,263
Changes in fair value of effective portion of outstanding derivatives, net		60,752			(23,400	)		37,352			67,562		(18,182	)		49,380		(43,604	)		5,574			(38,030	)
Gain (loss) on cash flow hedging derivatives, net		67,551			(23,809	)		43,742			13,068		(457	)		12,611		(52,940	)		6,647			(46,293	)
Closing balance	$	37,461		$	(13,979	)	$	23,482		$	50,529	$	(14,436	)	$	36,093	$	(2,411	)	$	(5,524	)	$	(7,935	)

Note (a) The tax (expense) benefit includes the effect of novating certain hedging instruments as part of an intercompany transfer.

7. Derivative financial instruments (Continued)

The gains or losses recognized in other comprehensive income (loss) and their effects on financial performance are summarized below:




	Amount of Gain (Loss)							Location of Gain (Loss)	Amount of Gain (Loss) reclassified
Derivatives in	recognized in OCI on							reclassified	from OCI into Statement of Income
Cash Flow	Derivatives (Effective Portion)							from OCI into	(Effective Portion)
Hedging	Year ended December 31,							Statement of Income	Year ended December 31,
Relationships	2016		2017		2018			(Effective Portion)	2016			2017			2018
Forward foreign exchange contracts	$	54,664	$	66,037	$	(45,840	)	Revenue	$	12,859		$	5,858		$	(716	)
Interest rate swaps		6,088		1,525		2,236		Cost of revenue		(14,223	)		37,849			4,723
								Selling, general and administrative expenses	$	(3,765	)		10,849			1,543
								Interest expense		(1,670	)		(62	)		3,786
	$	60,752	$	67,562	$	(43,604	)		$	(6,799	)	$	54,494		$	9,336

There were no gains (losses) related to the ineffective portion of derivatives for the periods shown.

Non-designated Hedges


		Amount of Gain (Loss) recognized in Statement of Income on Derivatives
		Year ended December 31,
Derivatives not designated as hedging instruments	Location of Gain (Loss) recognized in Statement of Income on Derivatives	2016		2017		2018
Forward foreign exchange contracts (Note a)	Foreign exchange gains (losses), net	$	2,921	$	16,696	$	(6,240	)
		$	2,921	$	16,696	$	(6,240	)

(a)

These forward foreign exchange contracts were entered into to hedge fluctuations in foreign exchange rates for recognized balance sheet items, such as receivables and intercompany borrowings, and were not originally designated as hedges under FASB guidance on derivatives and hedging. Realized gains (losses) and changes in the fair value of these derivatives are recorded in foreign exchange gains (losses), net in the consolidated statements of income.

Prepaid expenses and other current assets

12 Months Ended

Dec. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Property Plant And Equipment [Abstract]

8. Prepaid expenses and other current assets

Prepaid expenses and other current assets consist of the following:

	As of December 31,
	2017		2018
Advance income and non-income taxes	$	51,832	$	58,701
Deferred transition costs		62,029		—
Contract asset (Note 27)		—		22,472
Customer acquisition cost		19,327		—
Prepaid expenses		16,944		25,996
Derivative instruments		48,192		34,528
Employee advances		5,014		3,772
Deposits		4,719		2,758
Advances to suppliers		2,705		1,998
Others		25,580		62,252
	$	236,342	$	212,477

Property, plant and equipment, net

12 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

9. Property, plant and equipment, net

Property, plant and equipment, net consist of the following:

	As of December 31,
	2017			2018
Land	$	10,209		$	9,401
Buildings		46,007			43,078
Furniture and fixtures		43,091			47,206
Computer equipment and servers		210,725			210,239
Plant, machinery and equipment		92,981			88,937
Computer software		137,459			138,824
Leasehold improvements		102,072			105,965
Vehicles		6,418			5,309
Capital work in progress		17,069			11,795
Property, plant and equipment, gross	$	666,031		$	660,754
Less: Accumulated depreciation and amortization		(459,001	)		(448,039	)
Property, plant and equipment, net	$	207,030		$	212,715

Depreciation expense on property, plant and equipment for the years ended December 31, 2016, 2017 and 2018 was $45,826, $44,909 and $49,518, respectively. Software amortization for the years ended December 31, 2016, 2017 and 2018 amounted to $9,471, $11,415 and $12,317, respectively.

The depreciation and amortization expenses set forth above include the effect of the reclassification of foreign exchange (gains) losses related to the effective portion of foreign currency derivative contracts, amounting to $744, $(1,712) and $(231) for the years ended December 31, 2016, 2017 and 2018, respectively.

Property, plant and equipment, net include assets held under capital lease arrangements amounting to $3,302 and $2,343 as of December 31, 2017 and December 31, 2018, respectively. Depreciation expense in respect of these assets was $1,564, $1,682 and $1,395 for the years ended December 31, 2016, 2017 and 2018, respectively.

During the year ended December 31, 2018, the Company tested for recoverability a group of assets, comprised of computer software and technology-related intangible assets, as a result of a downward revision to the forecasted cash flows to be generated by this group of assets. Based on the results of its testing, the Company determined that the carrying value of the group of assets exceeded the estimated undiscounted cash flows and the Company recorded a $4,265 write-down to reduce the carrying value to its fair value. The Company used the income approach to determine the fair value of the group of assets for the purpose of calculating the charge. This write-down has been recorded in other operating (income) expenses, net in the consolidated statement of income and has been allocated to computer software and technology-related intangible assets, amounting to $1,200 and $3,065, respectively.

During the year ended December 31, 2017, the Company tested for recoverability a group of assets, comprised of computer software and a technology-related intangible asset, as a result of a downward revision to the forecasted cash flows to be generated by this group of assets. Based on the results of its testing, the Company determined that the carrying value of the group of assets exceeded the estimated undiscounted cash flows and the Company recorded an $8,000 write-down to reduce the carrying value to its fair value. The Company used the income approach to determine the fair value of the group of assets for the purpose of calculating the charge. This write-down has been recorded in other operating (income) expenses, net in the consolidated statement of income and has been allocated to computer software and technology-related intangible assets, amounting to $5,760 and $2,240, respectively.

Goodwill and intangible assets

12 Months Ended

Dec. 31, 2018

Goodwill and intangible assets

10. Goodwill and intangible assets

The following table presents the changes in goodwill for the years ended December 31, 2017 and 2018:

	As of December 31,
	2017			2018
Opening balance	$	1,069,408		$	1,337,122
Goodwill relating to acquisitions consummated during the period		229,745			91,936
Impact of measurement period adjustments		(106	)		816
Effect of exchange rate fluctuations		38,075			(36,042	)
Closing balance	$	1,337,122		$	1,393,832

Goodwill has been allocated to the following reporting units, which represent different business units of the Company, as follows:

	As of December 31,
	2017		2018
India	$	735,596	$	794,902
China		60,171		59,319
Europe		41,775		40,033
Americas		57,021		57,021
IT services		442,559		442,557
	$	1,337,122	$	1,393,832

In the year ended December 31, 2018 and December 31, 2017, in accordance with ASU 2011-08, the Company performed an assessment of qualitative factors to determine whether events or circumstances exist that may lead to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. Based on such assessment, as at December 31, 2018 and December 31, 2017, the Company concluded that it is not more likely than not that the fair values of any of the Company’s reporting units are less than their carrying amounts.

The total amount of the Company’s goodwill deductible for tax purposes is $120,617 and $187,546 as of December 31, 2017 and 2018, respectively.

The Company’s intangible assets acquired either individually or with a group of other assets or in a business combination are as follows:

	As of December 31, 2017						As of December 31,2018
	Gross carrying amount		Accumulated amortization & Impairment		Net		Gross carrying amount		Accumulated amortization & Impairment		Net
Customer-related intangible assets	$	369,173	$	293,029	$	76,144	$	368,558	$	306,582	$	61,976
Marketing-related intangible assets		52,443		39,212		13,231		54,714		46,591		8,123
Technology-related intangible assets		54,189		28,278		25,911		76,790		33,976		42,814
Other intangible assets		3,081		2,314		767		1,204		1,077		127
Intangible assets under development		15,537		-		15,537		64,047		-		64,047
		494,423		362,833	$	131,590	$	565,313	$	388,226	$	177,087

10. Goodwill and intangible assets (Continued)

Amortization expenses for intangible assets disclosed in the Consolidated Statements of Income under amortization of acquired intangible assets for the years ended December 31, 2016, 2017 and 2018 were $27,183, $36,412 and $38,850, respectively.

Amortization expenses for technology-related internally developed intangible assets disclosed in the consolidated statements of income under “cost of revenue” and “selling, general and administrative expense” for the years ended December 31, 2016, 2017 and 2018 were $0, $452 and $2,807, respectively.

Amortization expenses for the technology-related, internally-developed intangible assets set forth above include the effect of the reclassification of foreign exchange (gains) losses related to the effective portion of foreign currency derivative contracts, amounting to $0, $(15) and $5 for the years ended December 31, 2016, 2017 and 2018, respectively.

The Company recorded write-downs to technology-related intangible assets during the years ended December 31, 2017 and 2018, as described in note 9.

During the year ended December 31, 2017, the Company tested a customer-related intangible asset for recoverability as a result of the termination of a client contract. Based on the results of such testing, the Company recorded a $1,311 write-down to reduce the amount of the asset’s total carrying value. The Company used the income approach to determine the fair value of the intangible asset for the purpose of calculating the resulting charge. This write-down has been recorded in other operating (income) expenses, net in the consolidated statement of income. During the year ended December 31, 2017, the Company also recorded a write-down to a technology-related intangible asset as described in note 9.

During the year ended December 31, 2016, the Company tested an intangible software asset for recoverability as a result of a downward revision to the forecasted cash flows to be generated by the intangible asset. The Company previously recorded a charge to this asset in the third quarter of 2015. Based on the results of its testing, the Company determined that the carrying value of the intangible asset exceeded its estimated undiscounted cash flows by $10,324 and recorded an additional write-down to further reduce the carrying value by this amount. The Company used the income approach to determine the fair value of the intangible asset for the purpose of calculating the charge. This write-down had been recorded in other operating (income) expenses, net in the consolidated statement of income. During the year ended December 31, 2016, the Company also tested a customer-related intangible asset for recoverability as a result of the termination of a client contract. Based on results of such testing, the Company recorded an $871 write-down in the amount of the asset’s total carrying value. The Company used the income approach to determine the fair value of the intangible asset for the purpose of calculating the resulting charge. This write-down had been recorded in other operating (income) expenses, net in the consolidated statement of income.

The estimated amortization schedule for the Company’s intangible assets for future periods is set out below:

2019	$	36,395
2020		34,949
2021		20,814
2022		10,957
2023 and beyond		9,925
	$	113,040

Other Assets

12 Months Ended

Dec. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Other Assets

11. Other Assets

Other assets consist of the following:

	As of December 31,
	2017		2018
Customer acquisition cost	$	37,017		—
Contract asset (Note 27)		—		22,563
Advance income and non-income taxes		63,474		62,942
Deferred transition costs		77,255		—
Deposits		32,174		25,984
Derivative instruments		24,906		9,571
Prepaid expenses		2,849		5,052
Accounts Receivable due after one year		1,624		4,099
Others		22,870		24,948
	$	262,169	$	155,159

Leases

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Leases

12. Leases

The Company has leased vehicles, furniture and fixtures, computer equipment and servers, and plants, machinery and equipment from various lessors under capital lease arrangements which are not material to the consolidated financial statements.

The Company conducts its operations using facilities under non-cancellable operating lease agreements that expire at various dates. Future minimum lease payments under these agreements are as follows:

As of December 31:
2019	$	64,099
2020		58,434
2021		53,170
2022		47,976
2023		38,862
2024 and beyond		147,765
Total minimum lease payments	$	410,306

Rental expenses in agreements with rent holidays and scheduled rent increases are recorded on a straight-line basis over the applicable lease term. Rent expenses under cancellable and non-cancellable operating leases were $50,827, $59,484 and $66,110 for the years ended December 31, 2016, 2017 and 2018, respectively.

The rental expenses set out above include the effect of the reclassification of foreign exchange (gains) losses related to the effective portion of foreign currency derivative contracts amounting to $598, $(1,533) and $(195) for the years ended December 31, 2016, 2017 and 2018, respectively.

Accrued expenses and other current liabilities

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

13. Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consist of the following:

	As of December 31,
	2017		2018
Accrued expenses	$	204,997	$	179,843
Accrued employee cost		204,506		210,251
Earn-out consideration		14,928		16,875
Statutory liabilities		36,283		42,728
Retirement benefits		21,074		22,921
Derivative instruments		10,346		15,373
Advance from customers		25,476		—
Contract liabilities (Note 27)		—		64,744
Deferred transition revenue		52,233		—
Other liabilities		13,093		16,807
Capital lease obligations		1,546		1,808
	$	584,482	$	571,350

Long-term debt

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Long-term debt

14. Long-term debt

In August 2018, the Company amended its 2015 credit facility (“the 2015 Facility”), which was comprised of an $800,000 term loan and a $350,000 revolving credit facility. The amended facility (the “2018 Facility”) is comprised of a $680,000 term loan, which represents the outstanding balance under the 2015 Facility as of the date of amendment, and a $500,000 revolving credit facility. The 2018 Facility expires on August 8, 2023. The amendment did not result in a substantial modification of $550,814 of the outstanding term loan under the 2015 Facility. Further, as a result of the amendment, the Company extinguished the outstanding term loan under the 2015 Facility of $129,186 and obtained additional funding of $129,186, resulting in no change to the outstanding principal of the term loan under the 2018 Facility. In connection with the amendment, the Company expensed $2,029, representing partial acceleration of the amortization of the existing unamortized debt issuance costs and an additional fee paid to the Company’s lenders related to the term loan. The overall borrowing capacity under the revolving credit facility increased from $350,000 to $500,000. The amendment of the revolving credit facility resulted in accelerated amortization of $82 relating to existing unamortized debt issuance cost. The remaining unamortized costs and an additional third party fee paid in connection with the amendment will be amortized over the term of the amended facility, which will expire on August 8, 2023. .

Borrowings under the 2018 Facility bear interest at a rate equal to, at the election of the Company, either LIBOR plus an applicable margin equal to 1.375% per annum, compared to a margin of 1.50% under the 2015 facility, or a base rate plus an applicable margin equal to 0.375% per annum, compared to a margin of 0.50% under the 2015 facility, in each case subject to adjustment based on the Company’s debt ratings provided by Standard & Poor’s Rating Services and Moody’s Investors Service, Inc. Based on the Company’s election and current credit rating, the applicable interest rate is equal to LIBOR plus 1.375% per annum. The amended credit agreement contains certain customary covenants, including a maximum leverage covenant and a minimum interest coverage ratio. During the year ended December 31, 2018, the Company was in compliance with the financial covenants.

14. Long-term debt (Continued)

As of December 31, 2017 and December 31, 2018, the amount outstanding under the term loan, net of debt amortization expense of $1,848 and $2,158, was $698,152 and $660,841, respectively. As of December 31, 2017 and December 31, 2018, the term loan bore interest at a rate equal to LIBOR plus a margin of 1.50% per annum and 1.375% per annum, respectively. Indebtedness under the 2018 Facility is unsecured. The amount outstanding on the term loan as of December 31, 2018 requires quarterly payments of $8,500, and the balance of the loan is due and payable upon the maturity of the term loan on Aug 8, 2023.

The maturity profile of the term loan outstanding as of December 31, 2018, net of debt amortization expense, is as follows:

Year ended	Amount
2019	$	33,483
2020		33,509
2021		33,537
2022		33,564
2023		526,748
Total	$	660,841

In March 2017, Genpact Luxembourg S.à.r.l. (the “Issuer”), a wholly owned subsidiary of the Company, issued $350,000 aggregate principal amount of 3.70% senior notes in a private offering, resulting in cash proceeds of approximately $348,519, net of an underwriting fee of $1,481. The issuance was fully guaranteed by the Company. In connection with the offering, the Company incurred other debt issuance costs of $1,161. The total debt issuance cost of $2,642 is being amortized over the life of the notes as additional interest expense. As of December 31, 2017 and December 31, 2018, the amount outstanding under the notes, net of debt amortization expense of $2,239 and $1,713, was $347,761 and $348,287 respectively, which is payable on April 1, 2022. The Issuer will pay interest on the notes semi-annually in arrears on April 1 and October 1 of each year, ending on the maturity date of April 1, 2022. The Company, at its option, may redeem the notes at any time in whole or in part, at a redemption price equal to (i) 100% of the principal amount of the notes redeemed, together with accrued and unpaid interest on the redeemed amount, and (ii) if the notes are redeemed prior to March 1, 2022, a specified “make-whole” premium. The notes are subject to certain customary covenants, including limitations on the ability of the Company and certain of its subsidiaries to incur debt secured by liens, engage in certain sale and leaseback transactions and consolidate, merge, convey or transfer their assets, and during the year ended December 31, 2018, the Company and its applicable subsidiaries were in compliance with the covenants. Upon certain change of control transactions, the Issuer will be required to make an offer to repurchase the notes at a price equal to 101% of the aggregate principal amount of such notes, plus accrued and unpaid interest. The interest rate payable on the notes is subject to adjustment if the credit rating of the notes is downgraded, up to a maximum increase of 2.0%. In connection with the 3.70% senior notes private offering, the Issuer and the Company entered into a registration rights agreement with the initial purchasers of the outstanding unregistered notes pursuant to which the Issuer and the Company agreed to complete an exchange offer within 455 days after the date of the private offering upon terms identical in all material respects to the terms of the outstanding unregistered notes, except that the transfer restrictions, registration rights and additional interest provisions applicable to the outstanding unregistered notes would not apply to the exchange notes. On July 24, 2018, the unregistered notes exchange offer was completed and all outstanding unregistered notes were exchanged for freely tradable notes registered under the Securities Act of 1933, as amended.

Short-term borrowings

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Other Liabilities Disclosure [Abstract]

15. Short-term borrowings

The Company has the following borrowing facilities:

(a)

Fund-based and non-fund-based credit facilities with banks, which are available for operational requirements in the form of overdrafts, letters of credit, guarantees and short-term loans. As of December 31, 2017 and December 31, 2018, the limits available were $15,064 and $14,281, respectively, of which $7,900 and $7,389 was utilized, constituting non-funded drawdown.

(b)

A fund-based and non-fund based revolving credit facility of $500,000 which the Company obtained through an amendment of its existing credit agreement on August 9, 2018, as described in note 14. Prior to the amendment, the Company’s revolving credit facility was $350,000. The amended credit facility expires on August 8, 2023. The funded drawdown amount under the Company’s revolving facilities bore interest at a rate equal to LIBOR plus a margin of 1.50% as of December 31, 2017 compared to a rate equal to LIBOR plus a margin of 1.375% as of December 31, 2018. The unutilized amount on the revolving facilities bore a commitment fee of 0.25% as of December 31, 2017 compared to a commitment fee of 0.20% as of December 31, 2018. As of December 31, 2017 and December 31, 2018, a total of $170,978 and $297,098 respectively, was utilized, of which $170,000 and $295,000, respectively, constituted funded drawdown and $978 and $2,098, respectively, constituted non-funded drawdown. The Company’s amended credit agreement contains certain customary covenants, including a maximum leverage covenant and a minimum interest coverage ratio. During the year ended December 31, 2018, the Company was in compliance with the financial covenants of the credit agreement.

Other liabilities

12 Months Ended

Dec. 31, 2018

Compensation And Retirement Disclosure [Abstract]

16. Other liabilities

Other liabilities consist of the following:

	As of December 31,
	2017		2018
Accrued employee cost	$	14,020	$	6,341
Earn-out consideration		9,804		198
Retirement benefits		40,520		50,370
Derivative instruments		7,842		19,872
Advance from customers		790		—
Contract liabilities (Note 27)		—		53,796
Deferred transition revenue		70,900		—
Others		22,069		32,935
Capital lease obligations		2,664		1,714
	$	168,609	$	165,226

Employee benefit plans

12 Months Ended

Dec. 31, 2018

Employee benefit plans

17. Employee benefit plans

The Company has employee benefit plans in the form of certain statutory and other schemes covering its employees.

Defined benefit plans

In accordance with Indian law, the Company provides a defined benefit retirement plan (the “Gratuity Plan”) covering substantially all of its Indian employees. The Gratuity Plan provides a lump-sum payment to vested employees upon retirement or termination of employment in an amount based on each employee’s salary and duration of employment with the Company. The Gratuity Plan benefit cost for the year is calculated on an actuarial basis. The Company contributes the required funding for all ascertained liabilities to the Gratuity Plan. Trustees administer contributions made to the trust, and contributions are invested in specific designated instruments as permitted by Indian law. The Company’s overall investment strategy is to invest predominantly in fixed income funds managed by asset management companies and a small portion in equity funds. These funds further invest in debt securities such as money market instruments, government securities and public and private bonds. During the years ended December 31, 2016, 2017 and 2018, all of the plan assets were primarily invested in debt securities.

In addition, in accordance with Mexican law, the Company provides certain termination benefits (the “Mexican Plan”) to all of its Mexican employees based on the age, duration of service and salary of each eligible employee. The full-year benefit cost of the Mexican Plan is calculated on an actuarial basis.

In addition, certain of the Company’s subsidiaries organized or operating in the Philippines and Japan have sponsored defined benefit retirement programs (respectively, the “Philippines Plan” and the “Japan Plan”). The full-year benefit costs of the Japan Plan and the Philippines Plan are calculated on an actuarial basis. Company contributions in respect of these plans are made to insurer-managed funds or to a trust. The trust contributions are further invested in government bonds.

In addition, in accordance with Israeli law, the Company provides certain termination benefits (the “Israeli Plan”) to all of its Israeli employees based on the age, duration of service and salary of each eligible employee. The full-year benefit cost of the Israeli Plan is calculated on an actuarial basis.

Current service costs for defined benefit plans are accrued in the year to which they relate on a monthly basis. Actuarial gains or losses, or prior service costs, if any, resulting from amendments to the plans are recognized and amortized over the remaining period of service of the employees or over the average remaining life expectancies for inactive employees if most of the plan obligations are payable to inactive employees.

17. Employee benefit plans (Continued)

The following table sets forth the funded status of the Company’s defined benefit plans and the amounts recognized in the Company’s financial statements based on actuarial valuations carried out as of December 31, 2017 and 2018.

	As of December 31,
	2017			2018
Change in benefit obligation
Projected benefit obligation at the beginning of the year	$	45,283		$	58,094
Service cost		7,735			7,833
Actuarial loss (gain)		4,493			470
Interest cost		3,252			3,822
Liabilities assumed on acquisition		—			503
Benefits paid		(5,367	)		(6,277	)
Special termination benefit		57			—
Plan amendments		—			995
Effect of exchange rate changes		2,641			(3,992	)
Projected benefit obligation at the end of the year	$	58,094		$	61,448
Change in fair value of plan assets
Fair value of plan assets at the beginning of the year	$	30,871		$	45,560
Employer contributions		15,176			1,573
Actual gain on plan assets		2,746			1,929
Actuarial gain/(loss)		11			(9	)
Benefits paid		(5,301	)		(6,228	)
Effect of exchange rate changes		2,057			(3,142	)
Fair value of plan assets at the end of the year	$	45,560		$	39,683

Amounts included in other comprehensive income (loss) as of December 31, 2017 and 2018 were as follows:

	As of December 31,
	2017			2018
Net actuarial loss	$	(12,228	)	$	(11,037	)
Net Prior Service Credit / (Cost)		—			(967	)
Deferred tax assets		2,221			3,451
Other comprehensive income, net	$	(10,007	)	$	(8,553	)

Changes in other comprehensive income (loss) during the year ended December 31, 2018 were as follows:

	2018
Net actuarial loss	$	(951	)
Amortization of net actuarial loss		1,202
Deferred income taxes		1,407
Net prior service credit/(cost)		(944	)
Effect of exchange rate changes		740
Other comprehensive income (loss), net	$	1,454

17. Employee benefit plans (Continued)

Net defined benefit plan costs for the years ended December 31, 2016, 2017 and 2018 include the following components:

	Year ended December 31,
	2016			2017			2018
Service costs	$	5,661		$	7,735		$	7,833
Interest costs		2,585			3,252			3,822
Amortization of actuarial loss		(113	)		1,177			806
Expected return on plan assets		(2,043	)		(2,412	)		(2,435	)
One time cost		—			209			—
Special termination benefits		—			426			—
Net defined benefit plan costs	$	6,090		$	10,387		$	10,026

The amount in “other comprehensive loss” that is expected to be recognized as a component of net periodic benefit cost over the next fiscal year is $1,116.

The weighted average assumptions used to determine the benefit obligations of the Gratuity Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017	2018
Discount rate	7.40% - 7.60%	8.30% - 8.40%
Rate of increase in compensation per annum	5.20%-11.00%	5.20%-11.00%

The weighted average assumptions used to determine the Gratuity Plan costs for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016	2017	2018
Discount rate	8.30% - 8.45%	7.10% - 7.5%	7.40% - 7.60%
Rate of increase in compensation per annum	5.20% - 11.00%	5.20% - 11.00%	5.20% - 11.00%
Expected long term rate of return on plan assets per annum	7.50%	7.50%	7.50%

The weighted average assumptions used to determine the benefit obligations of the Mexican Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017			2018
Discount rate		7.60	%		9.25	%
Rate of increase in compensation per annum		5.50	%		5.50	%

The weighted average assumptions used to determine the costs of the Mexican Plan for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016			2017			2018
Discount rate		6.50	%		6.80	%		7.60	%
Rate of increase in compensation per annum		5.50	%		5.50	%		5.50	%
Expected long term rate of return on plan assets per annum		0.00	%		0.00	%		0.00	%

17. Employee benefit plans (Continued)

The weighted average assumptions used to determine the benefit obligation of the Japan Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017	2018
Discount rate	0.113%-0.789%	0.076%-0.269%
Rate of increase in compensation per annum	0.00% - 3.55%	0.00%

The weighted average assumptions used to determine the costs of the Japan Plan for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016	2017	2018
Discount rate	0.24% - 1.30%	0.08% - 1.30%	0.113%-0.789%
Rate of increase in compensation per annum	0.00% - 3.55%	0.00% - 3.55%	0.00% - 3.55%
Expected long term rate of return on plan assets per annum	0.00% - 3.77%	0.00% - 3.09%	0-1.84%

The expected returns on plan assets set forth above are based on the Company’s expectation of the average long-term rate of return expected to prevail over the next 15 to 20 years on the types of investments prescribed by applicable statute.

The Company evaluates these assumptions based on projections of the Company’s long-term growth and prevalent industry standards. Unrecognized actuarial loss is amortized over the average remaining service period of the active employees expected to receive benefits under the plan.

The fair values of the Company’s plan assets as of December 31, 2017 and 2018 by asset category are as follows:

	Total
	As of December 31, 2018
	Fair Value Measurements at Reporting Date Using
					Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Other Unobservable Inputs
	Total				(Level 1)					(Level 2)			(Level 3)
Asset category
Equity	$		7		$			7	$		—		$		—
Cash			381					381			—				—
Fixed income securities (Note a)			36,499					3,345			33,154				—
Other securities (Note b)			2,796					2,381			415				—
Total	$		39,683		$			6,114	$		33,569		$		—
		Total
		As of December 31, 2017
		Fair Value Measurements at Reporting Date Using
						Quoted Prices in Active Markets for Identical Assets					Significant Other Observable Inputs		Significant Other Unobservable Inputs
		Total				(Level 1)					(Level 2)		(Level 3)
Asset category
Cash		$		472		$	472				$	—	$	—
Fixed income securities (Note a)				42,328			3,419					38,909		—
Other securities (Note b)				2,760			2,437					323		—
Total		$		45,560		$	6,328				$	39,232	$	—

(a)	Includes investments in funds that invest 100% of their assets in fixed income securities such as money market instruments, government securities and public and private bonds.

(b)	Includes investments in funds that invest primarily in fixed income securities and the remaining portion in equity securities.

17. Employee benefit plans (Continued)

The expected benefit plan payments set forth below reflect expected future service:

Year ending December 31,
2019	$	9,983
2020		10,454
2021		10,686
2022		10,877
2023		11,193
2024 - 2028		53,112
	$	106,305

The Company’s expected benefit plan payments are based on the same assumptions that were used to measure the Company’s benefit obligations as of December 31, 2018.

Defined contribution plans

During the years ended December 31, 2016, 2017 and 2018, the Company contributed the following amounts to defined contribution plans in various jurisdictions:

	Year ended December 31,
	2016		2017		2018
India	$	19,074	$	22,242	$	23,877
U.S.		10,379		11,147		13,454
U.K.		6,593		7,823		9,619
China		15,512		15,950		17,625
Other regions		4,684		4,059		4,604
Total	$	56,242	$	61,221	$	69,179

Deferred compensation plan

On July 1, 2018, Genpact LLC, a wholly-owned subsidiary of the Company, adopted an executive deferred compensation plan (the “Plan”). The Plan provides a select group of U.S.-based members of Company management with the opportunity to defer from 1% to 80% of their base salary and from 1% to 100% of their qualifying bonus compensation (or such other minimums or maximums as determined by the Plan administrator from time to time) pursuant to the terms of the Plan. Participant deferrals are 100% vested at all times. The Plan also allows for discretionary supplemental employer contributions by the Company, in its sole discretion, which will be subject to a two-year vesting schedule (50% vesting on the one-year anniversary of approval of the contribution and 50% vesting on the second year anniversary of approval of the contribution) or such other vesting schedule as determined by the Company. Deferred compensation plan assets consist of life insurance policies. In December 2018, the Company transferred these policies to a Rabbi Trust, which now holds the assets under the Plan.

The Plan also provides an option for participants to elect to receive deferred compensation and earnings thereon on either fixed date(s) no earlier than two years following the applicable Plan year (or end of the applicable performance period for performance-based bonus compensation) or following a separation from service, in each case either in a lump sum or in annual installments over a term of up to 15 years. Each Plan participant’s compensation deferrals and discretionary supplemental employer contributions (if any) will be credited or debited with notional investment gains and losses equal to the experience of selected hypothetical investment funds offered under the Plan and elected by the participant.

The Company has investments in funds held in Company-owned life insurance policies which are held in a Rabbi Trust that are classified as trading securities. Management determines the appropriate classification of the securities at the time they are acquired and evaluates the appropriateness of such classifications at each balance sheet date. The securities are classified as trading securities because they are held for resale in anticipation of short-term fluctuations in market prices. The trading securities are stated at fair value.

17. Employee benefit plans (Continued) The liability for the deferred compensation plan was $0 and $1,582 as of December 31, 2017 and December 31, 2018, respectively, and is included in “other liabilities” in the consolidated balance sheets. In connection with the administration of the Plan, the Company has purchased company-owned life insurance policies insuring the lives of certain employees. The cash surrender value of these policies was $0 and $1,613 as of December 31, 2017 and December 31, 2018, respectively. The cash surrender value of these insurance policies is included in “other assets” in the consolidated balance sheets. During the years ended December 31, 2017 and 2018, the change in the fair value of Plan assets was $0 and $(56), respectively, which is included in “other income (expense), net,” in the consolidated statements of income. During the year ended December 31, 2017 and 2018, the change in the fair value of deferred compensation liabilities was $0 and $(87), respectively, which is included in “selling, general and administrative expenses.”

Stock-based compensation

12 Months Ended

Dec. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-based compensation

18. Stock-based compensation

The Company has issued options under the Genpact Limited 2007 Omnibus Incentive Compensation Plan (the “2007 Omnibus Plan”) and the Genpact Limited 2017 Omnibus Incentive Compensation Plan (the “2017 Omnibus Plan”) to eligible persons, including employees, directors and certain other persons associated with the Company.

Under the 2007 Omnibus Plan, shares underlying options forfeited, expired, terminated or cancelled under any of the Company’s predecessor plans were added to the number of shares otherwise available for grant under the 2007 Omnibus Plan. The 2007 Omnibus Plan was amended and restated on April 11, 2012 to increase the number of common shares authorized for issuance by 5,593,200 shares to 15,000,000 shares.

During the year ended December 31, 2012, the number of common shares authorized for issuance under the 2007 Omnibus Plan was increased by 8,858,823 shares as a result of a one-time adjustment to outstanding unvested share awards in connection with a special dividend payment.

A brief summary of each plan is provided below:

2007 Omnibus Plan

The Company adopted the 2007 Omnibus Plan on July 13, 2007 and amended and restated it on April 11, 2012. The 2007 Omnibus Plan provided for the grant of awards intended to qualify as incentive stock options, non-qualified stock options, share appreciation rights, restricted share awards, restricted share units, performance units, cash incentive awards and other equity-based or equity-related awards. Under the 2007 Omnibus Plan, the Company was authorized to grant awards for the issuance of up to a total of 23,858,823 common shares.

2017 Omnibus Plan

On May 9, 2017, the Company’s shareholders approved the adoption of the Genpact Limited 2017 Omnibus Incentive Compensation Plan (the “2017 Omnibus Plan”), pursuant to which 15,000,000 Company common shares are available for issuance. No grants may be made under the 2007 Omnibus Plan after the date of adoption of the 2017 Omnibus Plan. Grants that were outstanding under the 2007 Omnibus Plan as of the Company’s adoption of the 2017 Omnibus Plan remain subject to the terms of the 2007 Omnibus Plan.

Stock-based compensation costs relating to the foregoing plans during the years ended December 31, 2016, 2017 and 2018, were $24,686, $35,112 and $48,196, respectively, and have been allocated to cost of revenue and selling, general, and administrative expenses.

Stock options

All options granted under the 2007 and 2017 Omnibus Plans are exercisable into common shares of the Company, have a contractual period of ten years and vest over four to five years unless specified otherwise in the applicable award agreement. The Company recognizes compensation cost over the vesting period of the option.

18. Stock-based compensation (Continued)

Compensation cost is determined at the date of grant by estimating the fair value of an option using the Black-Scholes option-pricing model.

The following table shows the significant assumptions used in connection with the determination of the fair value of options granted in 2016, 2017 and 2018:

	2016			2017		2018
Dividend yield		—			0.97%			0.95%-1.01%
Expected life (in months)	84		84				84
Risk-free rate of interest for expected life	1.42% - 1.56%		2.25%				2.67%-2.93%
Volatility	25.60% - 27.22%		24.28%				22.55-22.73%

Volatility was calculated based on the historical volatility of the Company’s share price during a period equivalent to the estimated term of the option. The Company estimates the expected term of an option using the “simplified method,” which is based on the average of its contractual vesting term. The risk-free interest rate that the Company uses in the option valuation model is based on U.S. Treasury bonds with a term similar to the expected term of the options. The Company paid cash dividends of $0.06 and $0.075 per share in each quarter of fiscal 2017 and 2018, respectively.

The Company has issued, and intends to continue to issue, new common shares upon stock option exercises and the vesting of share awards under its equity-based incentive compensation plans.

A summary of stock option activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2016		5,986,845		$	16.99		5.8	$	—
Granted		860,000			26.80		—		—
Forfeited		(145,000	)		17.77		—		—
Expired		—			—		—		—
Exercised		(994,155	)		14.98		—		10,982
Outstanding as of December 31, 2016		5,707,690		$	18.65		5.8	$	34,641
Vested as of December 31, 2016 and expected to vest thereafter (Note a)		5,457,701		$	18.42		5.8	$	34,150
Vested and exercisable as of December 31, 2016		2,746,191		$	15.62		4.0	$	23,960
Weighted average grant-date fair value of options granted during the period	$	8.50

18. Stock-based compensation (Continued)

	Year ended December 31, 2017
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2017		5,707,690		$	18.65		5.8	$	—
Granted		250,000			24.74		—		—
Forfeited		(80,000	)		20.63		—		—
Expired		—			—		—		—
Exercised		(743,045	)		14.50		—		8,512
Outstanding as of December 31, 2017		5,134,645		$	19.52		5.6	$	62,743
Vested as of December 31, 2017 and expected to vest thereafter (Note a)		4,988,875		$	19.36		5.6	$	61,779
Vested and exercisable as of December 31, 2017		2,203,146		$	16.17		4.1	$	34,303
Weighted average grant-date fair value of options granted during the period	$	6.62


	Year ended December 31, 2018
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2018		5,134,645		$	19.52		5.6	$	—
Granted		2,638,106			30.47		—		—
Forfeited		(70,000	)		27.65		—		—
Expired		—			—		—		—
Exercised		(441,076	)		16.46		—		6,731
Outstanding as of December 31, 2018		7,261,675		$	23.61		6.4	$	34,143
Vested as of December 31, 2018 and expected to vest thereafter (Note a)		7,107,605		$	23.50		6.4	$	33,997
Vested and exercisable as of December 31, 2018		3,313,570		$	17.69		3.7	$	30,806
Weighted average grant-date fair value of options granted during the period	$	8.32

(a)	Options expected to vest reflect an estimated forfeiture rate.

Cash received by the Company upon the exercise of stock options amounted to $13,564, $14,896 and $10,772. Tax benefits from the exercise of stock options during the years ended December 31, 2016, 2017 and 2018 were $1,548 and $2,016 and $2,473 (including excess tax benefits of $1,004, $1,723 and $2,131), respectively.

Income tax benefits recognized in relation to stock-based compensation charges, excluding excess tax benefits, during the years ended December 31, 2016, 2017 and 2018 were $6,446, $9,600 and $11,783, respectively.

As of December 31, 2018, the total remaining unrecognized stock-based compensation cost for options expected to vest amounted to $21,925 which will be recognized over the weighted average remaining requisite vesting period of 4.0 years.

Restricted Share Units

The Company has granted restricted share units, or RSUs, under the 2007 and 2017 Omnibus Plans. Each RSU represents the right to receive one common share. The fair value of each RSU is the market price of one common share of the Company on the date of grant. The RSUs granted to date have graded vesting schedules of three months to four years. The compensation expense is recognized on a straight-line basis over the vesting term.

18. Stock-based compensation (Continued)

A summary of RSU activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2016		157,390		$	17.67
Granted		95,553			25.49
Vested (Note b)		(133,903	)		20.66
Forfeited		(1,135	)		14.18
Outstanding as of December 31, 2016		117,905		$	20.65
Expected to vest (Note a)		107,366

	Year ended December 31, 2017
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2017		117,905		$	20.65
Granted		1,533,836			26.36
Vested (Note c)		(45,248	)		18.31
Forfeited		(1,242	)		25.53
Outstanding as of December 31, 2017		1605,251		$	26.17
Expected to vest (Note a)		1,371,567
	Year ended December 31, 2018
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2018		1,605,251		$	26.17
Granted		484,427			30.13
Vested (Note d)		(358,697	)		25.53
Forfeited		(201,982	)		27.09
Outstanding as of December 31, 2018		1,528,999		$	27.45
Expected to vest (Note a)		1,360,048

(a)	RSUs expected to vest reflect an estimated forfeiture rate.

(b)

Vested RSUs were net settled by issuing 29,719 shares (net of minimum statutory tax withholding). 86,517 RSUs vested in the year ended December 31, 2016. 17,802 common shares underlying 34,035 of such RSUs were issued in 2017 after withholding shares to the extent of minimum statutory withholding taxes. 52,482 RSUs vested in the year ended December 31, 2016, in respect of which 52,055 shares were issued in 2018 after withholding shares to the extent of minimum statutory withholding taxes.

(c)	Vested RSUs were net settled by issuing 32,395 shares (net of minimum statutory tax withholding).

(d)

261,260 RSUs that vested during the period were net settled upon vesting by issuing 175,505 shares (net of minimum statutory tax withholding). 52,875 and 44,562 RSUs vested in the year ended December 31, 2017 and December 31, 2018 respectively, shares in respect of which will be issuable in 2019 after withholding shares to the extent of minimum statutory withholding taxes.

53,546 RSUs vested in the year ended December 31, 2015, 53,023 shares in respect of which were issued in 2017 after withholding shares to the extent of minimum statutory withholding taxes.

92,692 RSUs vested in the year ended December 31, 2014, in respect of which 91,963 shares were issued in 2016 after withholding shares to the extent of minimum statutory withholding taxes.

18. Stock-based compensation (Continued)

As of December 31, 2018, the total remaining unrecognized stock-based compensation cost related to RSUs amounted to $24,946, which will be recognized over the weighted average remaining requisite vesting period of 2.3 years.

Performance Units

The Company also grants stock awards in the form of performance units, or PUs, and has granted PUs under both the 2007 and 2017 Omnibus Plans.

Each PU represents the right to receive one common share at a future date based on the Company’s performance against specified targets. PUs granted to date have vesting schedules of six months to three years. The fair value of each PU is the market price of one common share of the Company on the date of grant and assumes that performance targets will be achieved. PUs granted under the plan are subject to cliff vesting. The compensation expense for such awards is recognized on a straight-line basis over the vesting terms. During the performance period, the Company’s estimate of the number of shares to be issued is adjusted upward or downward based upon the probability of achievement of the performance targets. The ultimate number of shares issued and the related compensation cost recognized is based on a comparison of the final performance metrics to the specified targets.

A summary of PU activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2016		2,499,322		$	19.95		2,499,322
Granted		1,518,374			27.93		3,343,335
Vested		—			—		—
Forfeited		(252,842	)		21.88		(325,817	)
Adjustment upon final determination of level of performance goal achievement (Note b)		7,274			22.72
Adjustment upon final determination of level of performance goal achievement (Note b)							7,274
Outstanding as of December 31, 2016		3,772,128		$	23.04		5,524,114
Expected to vest (Note a)		2,226,489

18. Stock-based compensation (Continued)

	Year ended December 31, 2017
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2017		3,772,128		$	23.04		5,524,114
Granted		1,811,292			25.22		3,622,584
Vested (Note c)		(1,136,047	)		16.78		(1,136,047	)
Forfeited (Note d)		(1,583,913	)		27.57		(1,627,313	)
Adjustment upon final determination of level of performance goal achievement (Note e)		37,480			25.22
Adjustment upon final determination of level of performance goal achievement (Note f)							(3,482,398	)
Outstanding as of December 31, 2017		2,900,940		$	24.40		2,900,940
Expected to vest (Note a)		2,657,685
	Year ended December 31, 2018
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2018		2,900,940		$	24.40		2,900,940
Granted		1,682,740			30.62		3,365,480
Vested (Note g)		(1,087,751	)		22.73		(1,087,751)
Forfeited		(258,237	)		26.03		(305,737	)
Adjustment upon final determination of level of performance goal achievement (Note h)		474,800			30.68
Adjustment upon final determination of level of performance goal achievement (Note i)							(1,160,530)
Outstanding as of December 31, 2018		3,712,402		$	28.40		3,712,402
Expected to vest (Note a)		3,261,069

(a)	PUs expected to vest are based on the probable achievement of the performance targets after considering an estimated forfeiture rate.

(b)	Represents an adjustment made in March 2016 to the number of shares underlying the PUs granted in 2015 upon certification of the level of achievement of the performance targets for such awards.

18. Stock-based compensation (Continued)

(c)	Vested PUs were net settled upon vesting by issuing 731,701 shares (net of minimum statutory tax withholding).

(d) Includes 1,443,624 target shares underlying PUs granted in 2016 which were forfeited for failure to achieve all of the threshold performance targets under such awards.

(e)	Represents a 2.7% increase in the number of target shares as a result of achievement of higher-than-target performance for certain PUs granted in 2017, partially offset by a 12.5% reduction as a result of achievement of lower-than-target performance for certain PUs granted in 2017.

(f)

Represents the difference between the maximum number of shares achievable and the number of shares expected to vest under the PU awards granted in 2017 based on the level of achievement of the performance goals. Also includes the difference between the maximum number of shares achievable and the number of shares eligible to vest under the PU awards granted in 2016, which were forfeited for failure to achieve all of the threshold performance targets under such awards.

(g)	Vested PUs were net settled upon vesting by issuing 691,958 shares (net of minimum statutory tax withholding).

(h)

Represents a 28.77% increase in the number of target shares expected to vest as a result of achievement of higher-than-target performance for PUs granted in 2018 partially offset by an adjustment made in March 2018 to the number of shares subject to the PUs granted in 2017 upon certification of the level of achievement of the performance targets underlying such awards.

(i)

Represents the difference between the maximum number of shares achievable and the number of shares expected to vest under the PU awards granted in 2018 based on the level of achievement of the performance goals. Also includes an adjustment made in March 2018 to the number of shares subject to the PUs granted in 2017 upon certification of the level of achievement of the performance targets underlying such awards.

As of December 31, 2018, the total remaining unrecognized stock-based compensation cost related to PUs amounted to $55,985, which will be recognized over the weighted average remaining requisite vesting period of 1.8 years.

Employee Stock Purchase Plan (ESPP)

On May 1, 2008, the Company adopted the Genpact Limited U.S. Employee Stock Purchase Plan and the Genpact Limited International Employee Stock Purchase Plan (together, the “ESPP”). In April 2018, these plans were amended and restated, and their terms were extended to August 31, 2028.

The ESPP allows eligible employees to purchase the Company’s common shares through payroll deductions at 90% of the closing price of the Company’s common shares on the last business day of each purchase interval. The dollar amount of common shares purchased under the ESPP must not exceed 15% of the participating employee’s base salary, subject to a cap of $25 per employee per calendar year. With effect from September 1, 2009, the offering periods commence on the first business day in March, June, September and December of each year and end on the last business day of the subsequent May, August, November and February. 4,200,000 common shares have been reserved for issuance in the aggregate over the term of the ESPP.

During the years ended December 31, 2016, 2017 and 2018, 146,685, 190,435 and 245,467 common shares, respectively, were issued under the ESPP.

The ESPP is considered compensatory under FASB guidance on Compensation-Stock Compensation.

The compensation expense for the ESPP is recognized in accordance with the FASB guidance on Compensation—Stock Compensation. The compensation expense for the ESPP during the years ended December 31, 2016, 2017 and 2018 was $428, $573 and $802, respectively, and has been allocated to cost of revenue and selling, general, and administrative expenses.

Capital stock

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Capital stock

19. Capital stock

The Company’s authorized capital stock as of December 31, 2017 and 2018 consisted of 500 million common shares with a par value of $0.01 per share, and 250 million preferred shares with a par value of $0.01 per share. There were 192,825,207 and 189,346,101 common shares, and no preferred shares, issued and outstanding as of December 31, 2017 and 2018, respectively.

Holders of common shares are entitled to one vote per share. Upon the liquidation, dissolution or winding up of the Company, common shareholders are entitled to receive a ratable share of the available net assets of the Company after payment of all debts and other liabilities. The common shares have no preemptive, subscription, redemption or conversion rights.

The Company’s board of directors by resolution can establish one or more series of preferred shares having such par value, designations, dividend rates, relative voting rights, conversion or exchange rights, redemption rights, liquidation rights and other relative participation, optional or other rights, qualifications, limitations or restrictions as may be fixed by the board of directors without shareholder approval. Such rights, preferences, powers and limitations as may be established could also have the effect of discouraging an attempt to obtain control of the Company. These preferred shares are of the type commonly known as “blank-check” preferred shares.

Under Bermuda law, the Company may declare and pay dividends from time to time unless there are reasonable grounds for believing that the Company is or would, after the payment, be unable to pay its liabilities as they become due or that the realizable value of its assets would thereby be less than the aggregate of its liabilities, its issued share capital, and its share premium accounts. Under the Company’s bye-laws, each common share is entitled to dividends if, as and when dividends are declared by the Company’s board of directors. There are no restrictions in Bermuda on the Company’s ability to transfer funds (other than funds denominated in Bermuda dollars) in or out of Bermuda or to pay dividends to U.S. residents who are holders of common shares. The Company’s ability to declare and pay cash dividends is restricted by its debt covenants.

Share Repurchases

As of December 31, 2016, the Company’s board of directors (the “Board”) had authorized the Company to repurchase up to $750,000 in value of the Company’s common shares under its share repurchase program first announced in February 2015. On February 10, 2017 the Board approved up to an additional $500,000 in share repurchases, bringing the total authorization under the Company’s existing program to $1,250,000. The Company’s share repurchase program does not obligate it to acquire any specific number of shares. Under the program, shares may be purchased in privately negotiated and/or open market transactions, including under plans complying with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

On March 29, 2017, the Company entered into an accelerated share repurchase (“ASR”) agreement with Morgan Stanley & Co. LLC (the “Dealer”) to repurchase Company common shares for an aggregate purchase price of $200,000. Pursuant to the ASR agreement, as amended in November 2017, the Company paid the aggregate purchase price to the Dealer upfront and received an initial delivery of 6,578,947 common shares on March 30, 2017, an additional delivery of 350,006 common shares on December 29, 2017 and a final delivery of 163,975 common shares on January 17, 2018 upon final settlement of the transaction. The weighted average price per share of the common shares delivered was $28.20. The Company’s purchase of its common shares under the ASR has been recorded as a reduction in retained earnings. All repurchased shares have been retired.

The final number of common shares repurchased by the Company under the ASR agreement was based on the volume-weighted average share price of the Company’s common shares during the term of the transaction, less a discount and subject to adjustments pursuant to the terms of the ASR agreement.

The ASR agreement contains customary provisions, including, among other things, with respect to mechanisms to determine the number of shares or the amount of cash that will be delivered at settlement, the required timing of delivery upon settlement, specific circumstances under which adjustments may be made to the repurchase transaction, and specific circumstances under which the repurchase transaction may be canceled prior to the scheduled maturity.

During the years ended December 31, 2018 and December 31, 2017, the Company also purchased 4,921,192 and 808,293 of its common shares, respectively, on the open market at a weighted average price of $31.30 and $24.48 per share, respectively, for an aggregate cash amount of $154,058 and $19,784, respectively. All repurchased shares have been retired.

19. Capital stock (Continued)

The Company records repurchases of its common shares on the settlement date of each transaction. Shares purchased and retired are deducted to the extent of their par value from common stock and from retained earnings for the excess over par value. Direct costs incurred to acquire the shares are included in the total cost of the shares purchased. For the year ended December 31, 2016, December 31, 2017 and December 31, 2018, $279, $16 and $98, respectively, was deducted from retained earnings in direct costs related to share repurchases.

Dividend

In February 2017, the Company’s board of directors approved a dividend program under which the Company paid a regular quarterly cash dividend of $0.06 per share to holders of its common shares, representing an annual dividend of $0.24 per share. On March 28, 2017, June 28, 2017, September 21, 2017, and December 20, 2017 the Company paid dividends of $0.06 per share, amounting to $11,957, $11,558, $11,581 and $11,590 in the aggregate, to shareholders of record as of March 10, 2017, June 12, 2017, September 8, 2017 and December 8, 2017, respectively.

On February 12, 2018, the Company announced that its Board of Directors had approved a 25% increase in its quarterly cash dividend to $0.075 per share, up from $0.06 per share in 2017, representing an annual dividend of $0.30 per common share, up from $0.24 per share in 2017, payable to holders of the Company’s common shares. On March 21, 2018, June 20, 2018, September 19, 2018 and December 19, 2018, the Company paid dividends of $0.075 per share, amounting to $14,408, $14,240, $14,253 and $14,201 in the aggregate, to shareholders of record as of March 9, 2018, June 8, 2018, September 10, 2018 and December 10, 2018, respectively.

Earnings per share

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Earnings per share

20. Earnings per share

The Company calculates earnings per share in accordance with FASB guidance on Earnings per Share. Basic and diluted earnings per common share give effect to the change in the number of common shares outstanding. The calculation of basic earnings per common share was determined by dividing net income available to common shareholders by the weighted average number of common shares outstanding. The potentially dilutive shares, consisting of outstanding options on common shares, restricted share units, common shares to be issued under the ESPP and performance units, have been included in the computation of diluted net earnings per share and number of weighted average shares outstanding, except where the result would be anti-dilutive.

The number of stock awards outstanding but not included in the computation of diluted earnings per common share because their effect was anti-dilutive is 781,215, 1,007,480 and 2,410,230 for the years ended December 31, 2016, 2017 and 2018, respectively.

	Year ended December 31,
	2016		2017		2018
Net income available to Genpact Limited common shareholders	$	269,684	$	263,111	$	282,019
Weighted average number of common shares used in computing basic earnings per common share		206,861,536		193,864,755		190,674,740
Dilutive effect of stock-based awards		3,264,487		3,184,797		3,305,298
Weighted average number of common shares used in computing dilutive earnings per common share		210,126,023		197,049,552		193,980,038
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	1.30	$	1.36	$	1.48
Diluted	$	1.28	$	1.34	$	1.45

Cost of revenue

12 Months Ended

Dec. 31, 2018

Selling General And Administrative Expenses [Abstract]

21. Cost of revenue

Cost of revenue consists of the following:

	Year ended December 31,
	2016		2017		2018
Personnel expenses	$	1,061,134	$	1,153,479	$	1,322,651
Operational expenses		446,922		481,012		543,006
Depreciation and amortization		46,284		46,947		56,111
	$	1,554,340	$	1,681,438	$	1,921,768

Selling, general and administrative expenses

12 Months Ended

Dec. 31, 2018

22. Selling, general and administrative expenses

Selling, general and administrative expenses consist of the following:

	Year ended December 31,
	2016		2017		2018
Personnel expenses	$	469,894	$	501,059	$	518,897
Operational expenses		174,060		178,573		166,437
Depreciation and amortization		9,013		9,829		8,531
	$	652,967	$	689,461	$	693,865

Other operating (income) expense, net

12 Months Ended

Dec. 31, 2018

Banking And Thrift Interest [Abstract]

23. Other operating (income) expense, net

	Year ended December 31,
	2016			2017			2018
Other operating (income) expense	$	(1,266	)	$	(7,277	)	$	(455	)
Provision for impairment of intangible assets and property, plant and equipment		11,195			9,311			4,265
Change in fair value of earn-out consideration and deferred consideration (relating to business acquisitions)		(14,869	)		(3,695	)		(5,655	)
Other operating (income) expense, net	$	(4,940	)	$	(1,661	)	$	(1,845	)

Interest income (expense), net

12 Months Ended

Dec. 31, 2018

24. Interest income (expense), net

Interest income (expense), net consists of the following:

	Year ended December 31,
	2016			2017			2018
Interest income	$	7,247		$	8,182		$	11,388
Interest expense		(23,431	)		(39,917	)		(48,507	)
Interest income (expense), net	$	(16,184	)	$	(31,735	)	$	(37,119	)

Income taxes

12 Months Ended

Dec. 31, 2018

Income taxes

25. Income taxes

Income tax expense (benefit) for the years ended December 31, 2016, 2017 and 2018 is allocated as follows:

	Year ended December 31,
	2016			2017		2018

Income from continuing operations	$	62,098		$	59,742	$	80,763
Other comprehensive income:
Unrealized gains (losses) on cash flow hedges		23,809			457		(6,647	)
Retirement benefits		(1,885	)		670		(1,407	)
Retained earnings:
Deferred tax benefit recognized on early adoption of ASU 2016-09		(24,912	)		—		—
Reclassification from AOCI on early adoption of ASU 2018-02		—			—		2,265
Deferred tax expense recognized on adoption of ASU 2014-09		—			—		5,303
Accumulated other comprehensive income:
Reclassification to retained earnings on early adoption of ASU 2018-02		—			—		(2,265	)

The components of income before income tax expense from continuing operations are as follows:

	Year ended December 31,
	2016		2017		2018
Domestic (U.S.)	$	44,110	$	8,440	$	49,986
Foreign (Non-U.S.)		285,535		312,143		312,035
Income before income tax expense	$	329,645	$	320,583	$	362,021

Income tax expense (benefit) attributable to income from continuing operations consists of:

	Year ended December 31,
	2016			2017			2018
Current tax expense :
Domestic (U.S. federal)	$	78		$	3,380		$	6,466
Domestic (U.S. state)		1,069			1,268			3,508
Foreign (Non-U.S.)		30,497			65,485			64,735
	$	31,644		$	70,133		$	74,709
Deferred tax expense (benefit) :
Domestic (U.S. federal)	$	11,379		$	3,549		$	6,577
Domestic (U.S. state)		(459	)		(2,809	)		(1,176	)
Foreign (Non-U.S.)		19,534			(11,131	)		653
	$	30,454		$	(10,391	)	$	6,054
Total income tax expense (benefit)	$	62,098		$	59,742		$	80,763

25. Income taxes (Continued)

Income tax expense (benefit) attributable to income from continuing operations differed from the amounts computed by applying the U.S. federal statutory income tax rate of 21% for the year ended December 31, 2018 and 35% for the years ended December 31, 2017 and 2016 to income before income taxes, as a result of the following:

	Year ended December 31,
	2016			2017			2018
Income before income tax expense	$	329,645		$	320,583		$	362,021
Statutory tax rates		35	%		35	%		21	%
Computed expected income tax expense		115,376			112,204			76,024
Increase (decrease) in income taxes resulting from:
Foreign tax rate differential		(18,574	)		(25,224	)		23,373
Tax benefit from tax holiday		(32,893	)		(35,814	)		(24,968	)
Non-deductible expenses		4,559			3,985			3,245
Effect of change in tax rates		353			2,778			(147	)
Change in valuation allowance		(4,830	)		9,041			27,826
Unrecognized tax benefits		(627	)		1,611			3,008
Other*		(1,266	)		(8,839	)		(27,598	)
Reported income tax expense (benefit)	$	62,098		$	59,742		$	80,763
*Following the transfer/closure of certain affiliated entities, deferred tax liabilities recorded against the outside basis difference were reversed amounting to $0, $9,600, $18,510 during the year ended December 31, 2016, 2017 and 2018. It was not more likely than not that the resulting net deferred tax asset would be realized. Therefore, a full valuation allowance was established to offset the reduction in deferred tax liabilities.

A portion of the profits of the Company’s operations is exempt from income tax in India. One of the Company’s Indian subsidiaries has ten units eligible for a tax holiday as a special economic zone unit in respect of 100% of the export profits it generates for a period of 5 years from commencement, 50% of such profits for the next 5 years (year 6 to year 10 from commencement) and 50% of the profits for an additional period of 5 years (year 11 to year 15 from commencement), subject to the satisfaction of certain capital investment requirements. The tax holidays for the Company’s existing special economic zone units will begin to expire on March 31, 2022 and will have fully expired on March 31, 2030, assuming the Company satisfies the capital investment requirements.

The effect of the Indian tax holiday on basic earnings per share was $0.19, $0.18 and $0.13, respectively, for the years ended December 31, 2016, 2017 and 2018. The effect of the tax holiday on diluted earnings per share was $0.18, $0.18 and $0.13, respectively, for the years ended December 31, 2016, 2017 and 2018.

25. Income taxes (Continued)

The components of the Company’s deferred tax balances as of December 31, 2017 and 2018 are as follows:

	As of December 31,
	2017			2018
Deferred tax assets
Net operating loss carryforwards	$	55,500		$	64,013
Accrued liabilities and other expenses		41,177			36,812
Provision for doubtful debts		10,509			9,650
Property, plant & equipment and leased assets		6,179			7,904
Unrealized losses on cash flow hedges, net		275			672
Share-based compensation		19,789			18,236
Retirement benefits		5,817			7,559
Contract liabilities		22,948			3,150
Tax credit carryforwards		35,322			22,409
Other		6,662			8,885
Gross deferred tax assets	$	204,178		$	179,290
Less: Valuation allowance		(24,549	)		(51,986	)
Total deferred tax assets	$	179,629		$	127,304
Deferred tax liabilities
Intangible assets	$	23,545		$	17,975
Property, plant and equipment		1,131			5,493
Deferred cost		33,816			2,725
Investments in foreign subsidiaries not indefinitely reinvested		18,949			4,835
Unrealized gains on cash flow hedges, net		14,711			8,990
Goodwill		7,145			12,957
Other		10,150			7,843
Total deferred tax liabilities	$	109,447		$	60,818
Net deferred tax asset	$	70,182		$	66,486

	As of December 31,
Classified as	2017		2018
Deferred tax assets
Non-current	$	76,929	$	74,566
Deferred tax liabilities
Non-current		6,747		8,080
	$	70,182	$	66,486

The change in the total valuation allowance for deferred tax assets as of December 31, 2016, 2017 and 2018 is as follows:

	Year ended December 31,
	2016			2017			2018
Opening valuation allowance	$	20,091		$	14,746		$	24,549
Reduction during the year		(7,299	)		(3,957	)		(2,307	)
Addition during the year		1,954			13,760			29,744
Closing valuation allowance	$	14,746		$	24,549		$	51,986

25. Income taxes (Continued)

In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets depends on the generation of future taxable income during the periods in which temporary differences are deductible.

Management considers the scheduled reversal of deferred tax liabilities and projected taxable income in making this assessment. In order to fully realize a deferred tax asset, the Company must generate future taxable income prior to the expiration of the deferred tax asset under applicable law. Based on the level of historical taxable income and projections for future taxable income over the periods during which the Company’s deferred tax assets are deductible, management believes that it is more likely than not that the Company will realize the benefits of these deductible differences, net of the existing valuation allowances as of December 31, 2018. The amount of the Company’s deferred tax assets considered realizable, however, could be reduced in the near term if estimates of future taxable income during the carryforward period are reduced.

In 2016, one of the Company’s subsidiaries filed amended tax returns with respect to prior years, resulting in revised assessments, higher taxable income and the utilization of operating loss carryforwards. The use of operating loss carryforwards resulted in the complete reversal of the subsidiary’s remaining valuation allowance of $3,377.

On January 1, 2016, the Company elected the early adoption of ASU 2016-09, which was applied using a modified retrospective approach. Accordingly, excess tax benefits relating to the exercise of stock options prior to December 31, 2015 amounting to $24,912 were recorded through retained earnings. For the years ended December 31, 2016 and 2017 and 2018, the Company recognized net excess tax benefits of $1,004, $1,723 and $2,131 in income tax expense attributable to continuing operations.

As of December 31, 2018, the Company’s deferred tax assets related to net operating loss carryforwards of $276,040 amounted to $59,153 (excluding state net operating losses). Net operating losses of subsidiaries in the United Kingdom, Singapore, Malaysia, Australia, Brazil, Israel, South Africa, Hong Kong, Germany, the United States (for 2018) and Luxembourg (for 2016 and prior years) amounted to $164,014 and can be carried forward for an indefinite period.

25. Income taxes (Continued)

The Company’s remaining tax loss carryforwards expire as set forth in the table below:

	US – Federal		Europe		Others
Year ending December 31,
2020	$	—		2952	$	—
2021		—		1,121		2,347
2022		—		5,904		105
2023		—		6,639		1,426
2024		—		771		7,748
2025		—		27,147		8,520
2026		—		234		1,396
2027		—		856		5,071
2028		—		34		2,716
2029		—	—			672
2034		—		18,820		—
2035		340		8,838	—
2036		477		—		—
2037	7252			—		—
2038		—		—		640
	$	8,069	$	73,316	$	30,641

In the table above, “Europe” includes net operating losses of subsidiaries in Hungary, Poland, the Netherlands, the Czech Republic, Slovakia, Luxembourg, Latvia and Portugal, while “Others” includes net operating losses of subsidiaries in Mexico, Japan, China, India, New Zealand and Canada.

As of December 31, 2018, the Company had additional deferred tax assets for U.S. state and local tax loss carryforwards amounting to $4,859 with varying expiration periods between 2019 and 2037.

As of December 31, 2018, the company had a total foreign tax credit carryforward of $22,409, which will expire as set forth in the table below:

Year ending December 31,	Amount
2023		355
2024		2,819
2025		8,395
2026		5,728
2027		1,250
2028		3,862
	$	22,409

With exceptions, the Company has not accrued any income, distribution or withholding taxes that would arise if the undistributed earnings of the Company’s foreign (non-Bermuda) subsidiaries which cannot be repatriated in a tax-free manner were repatriated. Due to the Company’s changing corporate structure, the various methods that are available to repatriate earnings, and uncertainty relative to the applicable taxes at the time of repatriation, it is not practicable to determine the amount of tax that would be imposed upon repatriation. If undistributed earnings are repatriated in the future, or are no longer deemed to be indefinitely reinvested, the company will accrue the applicable amount of taxes associated with such earnings at that time.

25. Income taxes (Continued)

As of December 31, 2018, $363,560 of the Company’s $368,396 in cash and cash equivalents was held by the Company’s foreign (non-Bermuda) subsidiaries. $131,617 of this cash is held by foreign subsidiaries for which the Company expects to incur and has accrued a deferred tax liability on the repatriation of $25,043 of retained earnings. $231,943 of the Company’s cash and cash equivalents is held by foreign subsidiaries in jurisdictions where no tax is expected to be imposed upon repatriation of the retained earnings of such foreign subsidiaries or is being indefinitely reinvested.

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cut and Jobs Act (the “Tax Act”). The Tax Act makes broad and complex changes to the U.S. tax code that affect 2017. The Tax Act also establishes new tax laws that will affect 2018 and subsequent years, including a reduction in the U.S. federal corporate income tax rate from 35% to 21%.

On December 22, 2017, the SEC staff issued Staff Accounting Bulletin No. 118 (“SAB 118”), which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740, Income Taxes. In accordance with SAB 118, a company must reflect the income tax effects of those aspects of the Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements.

As a result of the reduction in the federal corporate income tax rate, the Company has revalued its net deferred tax assets, excluding tax credits to the extent affected by changes in the law as of December 31, 2017. Based on this revaluation, the Company has recorded a net income tax expense of $3,182 to reduce its net deferred tax asset balance, which was recorded as additional income tax expense for the year ended December 31, 2017.

The Company completed its accounting for the transition tax liability under the Tax Act during the third quarter of 2018 without any impact on income tax expense. There is no material change in the estimates as of September 30, 2018 based on the final calculation of the earnings and profit pool of the Company’s controlled foreign corporations based on the Company’s U.S. tax returns.

The Company reports its gain/loss on derivatives designated as cash flow hedges, actuarial gain/loss on retirement benefits and currency translation adjustment, net of taxes to the extent applicable, in accumulated other comprehensive income (loss) (“AOCI”).

As of December 31, 2017, due to a reduction in the U.S. federal corporate income tax rate under the Tax Act from 35% to 21%, the Company revalued its net deferred tax assets, including deferred tax liabilities recorded through AOCI. Based on this revaluation, the Company recorded an income tax benefit of $2,265 relating to derivatives, reducing its net deferred tax liability balance, which was recorded as an income tax benefit in continuing operations for the year ended December 31, 2017.

In the quarter ended March 31, 2018, the Company elected to early adopt ASU 2018-02, effective January 1, 2018, and made an election to reclassify the stranded income tax effects of the Tax Act from AOCI to retained earnings for all items of AOCI. The Company has elected to adopt the new guidance at the beginning of the period, and no prior periods have been adjusted. Accordingly, a stranded tax effect in AOCI of $2,265 resulting from the Tax Act has been adjusted through retained earnings.

25. Income taxes (Continued)

The following table summarizes activities related to our unrecognized tax benefits from January 1 to December 31 for each of 2016, 2017 and 2018:

	2016			2017			2018
Opening balance at January 1	$	26,357		$	23,467		$	26,060
Increase related to prior year tax positions, including recorded in acquisition accounting		370			2,582			1,851
Decrease related to prior year tax positions		(1,506	)		(1,398	)		(153	)
Decrease related to divesture of business		(345	)		—			—
Decrease related to prior year tax position due to lapse of applicable statute of limitation		(2,122	)		(1,019	)		(1,841	)
Increase related to current year tax positions, including recorded in acquisition accounting		3,225			1,661			2,408
Decrease related to settlements with tax authorities		(2,000	)		—			—
Effect of exchange rate changes		(512	)		767			(1,603	)
Closing balance at December 31	$	23,467		$	26,060		$	26,722

As of December 31, 2016, 2017 and 2018, the Company had unrecognized tax benefits amounting to $22,469, $24,877 and $25,485, respectively, which, if recognized, would impact the effective tax rate.

As of December 31, 2016, 2017 and 2018, the Company had accrued $3,856, $4,614 and $5,081, respectively, in interest relating to unrecognized tax benefits. During the years ended December 31, 2016, 2017 and 2018, the Company recognized $367, $758 and $467, respectively, including exchange rate differences, in interest on unrecognized tax benefits. As of December 31, 2016, 2017 and 2018, the company had accrued $977, $1,033 and $995, respectively, for penalties.

In the next twelve months and for all tax years that remain open to examinations by U.S. federal and various state, local, and non-U.S. tax authorities, the Company estimates that it is reasonably possible that the total amount of its unrecognized tax benefits will vary. However, the Company does not expect significant changes within the next twelve months other than depending on the progress of tax matters or examinations with various tax authorities, which are difficult to predict.

With exceptions, the Company is no longer subject to U.S. federal, state and local or non-U.S. income tax audits by taxing authorities for years prior to 2015. The Company’s subsidiaries in India and China are open to examination by relevant taxing authorities for tax years beginning on or after April 1, 2011 and January 1, 2008, respectively. The Company regularly reviews the likelihood of additional tax assessments and adjusts its reserves as additional information or events require.

Segment reporting

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Segment reporting

26. Segment reporting

The Company manages various types of business process and information technology services in an integrated manner for clients in various industries and geographic locations. The Company’s Chief Executive Officer, who has been identified as the Chief Operation Decision Maker (CODM), reviews financial information prepared on a consolidated basis, accompanied by disaggregated information about revenue and adjusted operating income by identified business units. The identified business units are organized for operational reasons and represent either services-based, customer-based, industry-based or geography-based units. There is significant overlap between the manner in which the business units are organized. Additionally, the composition and organization of the business units is fluid and the structure changes regularly in response to growth of the overall business, acquisitions and changes in the reporting structure, clients, services, industries served, and delivery centers.

Based on an overall evaluation of all facts and circumstances, and after combining operating segments with similar economic characteristics that comply with other aggregation criteria specified in the FASB guidance on segment reporting, the Company has determined that it operates as a single reportable segment.

26. Segment reporting (Continued)

Net revenues by customer type are as follows:

	Year ended December 31,
	2016		2017		2018
GE	$	357,894	$	269,217	$	268,210
Global Clients		2,212,862		2,467,712		2,732,580
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Net revenues by service type are as follows:

	Year ended December 31,
	2016		2017		2018
Business process outsourcing	$	2,083,450	$	2,264,335	$	2,502,806
Information technology services		487,306		472,594		497,984
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Revenues from clients based on the industry serviced are as follows:

	Year ended December 31,
	2016		2017		2018
Banking, financial services and insurance	$	1,021,609	$	1,090,134	$	1,099,189
Consumer goods, retail, life sciences and healthcare		769,432		832,088		891,640
High tech, manufacturing and services		779,715		814,707		1,009,961
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

The Company has reclassified the disaggregation of its revenue to reflect how the Company groups its clients into key industry verticals. Revenue from prior periods is also presented based on the classifications used in the current period.

Net revenues from geographic areas based on the location of the Company’s service delivery centers are as follows. A portion of net revenues attributable to India consists of net revenues for services performed by delivery centers in India or at clients’ premises outside of India by business units or personnel normally based in India.

	Year ended December 31,
	2016		2017		2018
India	$	1,804,113	$	1,712,783	$	1,739,455
Asia, other than India		249,839		286,338		327,462
North and Latin America		282,434		455,059		641,716
Europe		234,370		282,749		292,157
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Revenues from GE comprised 14%, 10% and 9% of the Company’s consolidated total net revenues in 2016, 2017 and 2018, respectively. No other customer accounted for 10% or more of the Company’s consolidated total net revenues during these periods.

Property, plant and equipment, net by geographic region are as follows:

	As of December 31,
	2017		2018
India	$	125,490	$	130,824
Asia, other than India		15,899		14,866
Americas		38,438		46,763
Europe		27,203		20,262
Total	$	207,030	$	212,715

Contract balances

12 Months Ended

Dec. 31, 2018

Related party transactions

Contract balances

27. Contract balances

Accounts receivable include amounts for services that the Company has performed but for which payment has not been received. The Company typically follows a 30-day billing cycle and, as such, at any point in time may have accrued up to 30 days of revenues that have not been billed. The Company has determined that in instances where the timing of revenue recognition differs from the timing of invoicing, the related contracts generally do not include a significant financing component. Refer to note 5 for details on the Company’s accounts receivable and reserve for doubtful receivables.

The following table provides details of the Company’s contract liabilities:

	As of December 31, 2018
Particulars	Advance from customers			Deferred transition revenue
Opening balance	$	26,266		$	101,785
Impact of opening balance offset		—		$	21,348
Gross opening balance	$	26,266		$	123,133
Additions		33,328			67,838
Effect of business combinations		273			75
Revenue recognized		(32,091	)		(68,697	)
Currency translation adjustments		(1,063	)		(1,097	)
Gross closing balance	$	26,713		$	121,252
Impact of closing balance offset with contract asset		(3,821	)		(25,604	)
Closing balance (Note a)	$	22,892		$	95,648

(a) Included in "accrued expenses and other current liabilities" and "other liabilities" in the consolidated balance sheet.

The following table includes estimated revenue expected to be recognized in the future related to remaining performance obligations as of December 31, 2018:

Particulars	Total				Less than 1 year				1-3 years				3-5 years				After 5 years
Transaction price allocated to remaining performance obligations	$	95,670				41,830				40,128				12,619				1,093

The Company has applied the practical expedient related to contract duration and has not disclosed information about remaining performance obligations that have original expected durations of one year or less.

The following table provides details of the Company’s contract assets:

Particulars	As of December 31,2018
Opening balance	$	43,366
Impact of opening balance offset		21,348
Gross opening balance	$	64,714
Additions		48,216
Reduction in revenue recognized		(38,470	)
Gross closing balance	$	74,460
Impact of closing balance offset with contract liability		(29,425	)
Closing balance (Note b)	$	45,035

(b) Included in "prepaid expenses and other current assets" and "other assets" in the consolidated balance sheet.

27. Contract balances (Continued)

The following table provides details of the company’s contract cost assets:

	As of December 31, 2018
Particulars	Sales incentive programs		Transition activities
Opening balance	$	23,227	$	139,284
Closing balance		25,891		134,302
Amortization		14,788		70,775

Related party transactions

12 Months Ended

Dec. 31, 2018

28. Related party transactions

The Company has entered into related party transactions with its non-consolidating affiliates. The Company has also entered into related party transactions with a significant shareholder and its affiliates.

The Company’s related party transactions can be categorized as follows:

Revenue from services

In the years ended December 31, 2016, 2017, and 2018, the Company recognized net revenues of $335, $398 and $714, respectively, from a client that is also a significant shareholder of the Company.

In the years ended December 31, 2016 and 2017, the Company recognized net revenues of $8,077 and $5,400, respectively, from a client that was a non-consolidating affiliate of the Company. As of June 30, 2017, this non-consolidated affiliate ceased to be a related party.

Cost of revenue from services

The Company purchases certain services from its non-consolidating affiliates, mainly relating to training and recruitment, the costs of which are included in cost of revenue. For the years ended December 31, 2016, 2017 and 2018, cost of revenue includes an amount of $2,067, $2,043 and $1,094, respectively, attributable to the cost of such services provided by the Company’s non-consolidating affiliates.

Selling, general and administrative expenses

The Company purchases certain services from its non-consolidating affiliates, mainly relating to training and recruitment, the costs of which are included in selling, general and administrative expenses. For the years ended December 31, 2016, 2017 and 2018, selling, general and administrative expenses include an amount of $291, $315 and $191, respectively, attributable to the cost of such services provided by the Company’s non-consolidating affiliates.

During the years ended December 31, 2016, 2017 and 2018, the Company engaged a significant shareholder of the Company to provide services to the Company at a cost of $58, $57 and $30, respectively.

Investment in equity affiliates

During the year ended December 31, 2017, the Company invested $496 in its non-consolidating affiliates.

During the year ended December 31, 2017, the Company recorded a charge of $2,849 related to an investment in one of its non-consolidating affiliates. This charge has been included in equity-method investment activity, net in the Company’s consolidated statement of income.

As of December 31, 2017 and 2018, the Company’s investments in its non-consolidating affiliates amounted to $886 and $836, respectively.

Others

During the years ended December 31, 2016 and 2017, the Company entered into transactions with one of its non-consolidating affiliates for certain cost reimbursements amounting to $1,162 and $477, respectively.

During the year ended December 31, 2017, the Company entered into transactions with a client that is a significant shareholder of the Company for certain cost reimbursements amounting to $127.

28. Related party transactions (Continued)

During the year ended December 31, 2017, the Company made a payment of $3,847 to one of its non-consolidating affiliates under a tax-sharing arrangement in the U.K. This amount represents a portion of the non-consolidated affiliate’s net operating losses surrendered to the Company under the tax sharing arrangement for the years 2015 and 2016. As of June 30, 2017 this non-consolidating affiliate ceased to be a related party.

Other Income (expense), net

12 Months Ended

Dec. 31, 2018

Other Nonoperating Income Expense [Abstract]

Other Income (expense), net

29. Other Income (expense), net

	Year ended December 31,
	2016		2017				2018
Government incentives	$	-		$	26,882		$	36,099
Other income/(expense)		9,691			(3,296	)		(338	)
Other Income (expense), net	$	9,691		$	23,586		$	35,761

Commitments and contingencies

12 Months Ended

Dec. 31, 2018

Commitments And Contingencies Disclosure [Abstract]

Quarterly Financial Information Disclosure [Abstract]

30. Commitments and contingencies

Capital commitments

As of December 31, 2017 and 2018, the Company has committed to spend $8,314 and $4,859, respectively, under agreements to purchase property, plant and equipment. This amount is net of capital advances paid in respect of such purchases.

Bank guarantees

The Company has outstanding bank guarantees amounting to $8,879 and $9,487 as of December 31, 2017 and 2018, respectively. Bank guarantees are generally provided to government agencies and excise and customs authorities for the purposes of maintaining a bonded warehouse. These guarantees may be revoked by the government agencies if they suffer any losses or damages through the breach of any of the covenants contained in the agreements governing such guarantees.

Other commitments

The Company’s business process delivery centers in India are 100% export-oriented units or Software Technology Parks of India (“STPI”) units under the STPI guidelines issued by the Government of India. These units are exempt from customs, central excise duties, and levies on imported and indigenous capital goods, stores, and spares. The Company has undertaken to pay custom duties, service taxes, levies, and liquidated damages payable, if any, in respect of imported and indigenous capital goods, stores, and spares consumed duty free, in the event that certain terms and conditions are not fulfilled.

Quarterly financial data (unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly financial data (unaudited)

31. Quarterly financial data (unaudited)

	Three months ended								Year ended
	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018		December 31, 2018
Total net revenues	$	688,912	$	728,561	$	747,978	$	835,339	$	3,000,790
Gross profit	$	244,588	$	265,663	$	266,566	$	302,205	$	1,079,022
Income from operations	$	63,761	$	79,522	$	94,028	$	110,841	$	348,152
Income before equity-method investment activity, net and income tax expense	$	76,009	$	81,668	$	97,724	$	106,632	$	362,033
Net income	$	63,934	$	64,574	$	73,603	$	79,147	$	281,258
Net (income) loss attributable to redeemable non-controlling interest	$	761	$	-	$	-	$	-	$	761
Net income attributable to Genpact Limited common shareholders	$	64,695	$	64,574	$	73,603	$	79,147	$	282,019
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	0.34	$	0.34	$	0.39	$	0.42	$	1.48
Diluted	$	0.33	$	0.33	$	0.38	$	0.41	$	1.45
Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders
Basic		192,816,626		190,132,664		190,024,924		189,724,744		190,674,740
Diluted		196,288,569		193,365,974		193,115,769		193,149,836		193,980,038

31. Quarterly financial data (unaudited) (Continued)

	Three months ended									Year ended
	March 31, 2017		June 30, 2017			September 30, 2017		December 31, 2017		December 31, 2017
Total net revenues	$	622,995	$	670,697		$	708,824	$	734,413	$	2,736,929
Gross profit	$	239,658	$	256,189		$	280,034	$	279,610	$	1,055,491
Income from operations	$	79,096	$	80,959		$	97,919	$	73,305	$	331,279
Income before equity-method investment activity, net and income tax expense	$	69,243	$	84,582		$	89,742	$	81,559	$	325,126
Net income	$	52,440	$	69,102		$	73,161	$	66,138	$	260,841
Net (income) loss attributable to redeemable non-controlling interest	$	898	$	(156	)	$	584	$	944	$	2,270
Net income attributable to Genpact Limited common shareholders	$	53,338	$	68,946		$	73,745	$	67,082	$	263,111
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	0.27	$	0.36		$	0.38	$	0.35	$	1.36
Diluted	$	0.26	$	0.36		$	0.38	$	0.34	$	1.34
Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders
Basic		199,069,528		191,469,593			192,124,366		192,795,534		193,864,755
Diluted		202,655,937		193,732,406			194,947,699		196,862,168		197,049,552

Subsequent Events

12 Months Ended

Dec. 31, 2018

Subsequent Events [Abstract]

Subsequent Events

32. Subsequent Events

Dividend

On February 7, 2019, the Company announced that its Board of Directors has approved a 13% increase in its quarterly cash dividend, representing a planned annual dividend of $0.34 per common share, increased from $0.30 per common share in 2018. The Board of Directors also declared a dividend for the first quarter of 2019 of $0.085 per common share, which will be paid on or about March 20, 2019 to shareholders of record as of the close of business on March 8, 2019. The declaration of any future dividends will be at the discretion of the Board of Directors and subject to Bermuda and other applicable laws.

Secondary offering

On February 15, 2019, the Company completed an additional secondary offering of its common shares pursuant to which certain of our shareholders affiliated with Bain Capital Investors, LLC, namely Glory Investments A Limited and its affiliated assignees, together with their co-investor, GIC Private Limited (the “Selling Shareholders”), sold 10.0 million common shares at a price of $32.215 per share in an underwritten public offering. All of the common shares were sold by the Selling Shareholders and, as a result, the Company did not receive any of the proceeds from the offering.

Guarantor financial information

12 Months Ended

Dec. 31, 2018

Guarantor Financial Information [Abstract]

Guarantor financial information

33. Guarantor financial information

In March 2017, Genpact Luxembourg S.à r.l. (the “Issuer”), a subsidiary of the Company, issued $350,000 aggregate principal amount of 3.70% senior notes in a private offering. See Note 14 for additional information. The issuance is fully and unconditionally guaranteed by the Company. The Company has prepared the following condensed consolidating financial statements, which set forth consolidated financial statements of the Issuer, the Company as parent guarantor and the non-guarantor subsidiaries of the Company, as well as intercompany elimination adjustments relating to intercompany transactions. Investments in subsidiaries have been accounted for using the equity method.

Condensed Consolidating Balance Sheet

	As of December 31, 2018
	Issuer/ Subsidiary		Parent/ Guarantor		Non- Guarantor Subsidiaries		Eliminations			Consolidated
Assets
Current assets
Cash and cash equivalents	$	12,797	$	2,505	$	353,094	$	—		$	368,396
Accounts receivable intercompany, net		89,958		—		—		(89,958	)		—
Accounts receivable, net		—		—		774,184		—			774,184
Intercompany loans		447,578		1,300		1,835,608		(2,284,486	)		—
Intercompany other receivable		33,224		52,783		117,537		(203,544	)		—
Prepaid expenses and other current assets		2,242		1,278		208,957		—			212,477
Total current assets	$	585,799	$	57,866	$	3,289,380	$	(2,577,988	)	$	1,355,057
Property, plant and equipment, Net		388		—		212,327		—			212,715
Intercompany loans		100,000		—		500,000		(600,000	)		—
Deferred tax assets		—		—		74,566		—			74,566
Investment in subsidiaries		548,654		3,073,467		557,089		(4,179,210	)		—
Investment in equity affiliates		—		—		836		—			836
Investment in debentures/bonds, intercompany		571,919		50,393		—		(622,312	)		—
Intercompany other receivable		—		83,169		—		(83,169	)		—
Intangible assets, net		—		—		177,087		—			177,087
Goodwill		—		—		1,393,832		—			1,393,832
Contract cost assets		—		—		160,193		—			160,193
Other assets		682		—		154,477		—			155,159
Total assets	$	1,807,442	$	3,264,895	$	6,519,787	$	(8,062,679	)	$	3,529,445

Liabilities and equity
Current liabilities
Short-term borrowings	$	100,000	$	—	$	195,000	$	—		$	295,000
Intercompany loans		128,572		1,849,537		306,377		(2,284,486	)		—
Current portion of long-term debt		4,961		—		28,522		—			33,483
Accounts payable		1,636		520		40,428		—			42,584
Intercompany accounts payable		—		—		89,958		(89,958	)		—
Income taxes payable		—		—		33,895		—			33,895
Intercompany other payable		47,844		70,973		84,727		(203,544	)		—
Accrued expenses and other current liabilities		5,248		5,157		560,945		—			571,350
Total current liabilities	$	288,261	$	1,926,187	$	1,339,852	$	(2,577,988	)	$	976,312
Long-term debt, less current portion		440,665		—		534,980		—			975,645
Deferred tax liabilities		—		—		8,080		—			8,080
Intercompany other payable		—		—		83,169		(83,169	)		—
Non-current intercompany loans payable		500,000		—		722,312		(1,222,312	)		—
Other liabilities		197		154		164,875		—			165,226
Total liabilities	$	1,229,123	$	1,926,341	$	2,853,268	$	(3,883,469	)	$	2,125,263

Redeemable non-controlling interest		—		—		—		—			—
Shareholders' equity		578,319		1,338,554		3,666,519		(4,179,210	)		1,404,182
Commitments and contingencies		—		—		—		—			—
Total liabilities, redeemable non-controlling interest and equity	$	1,807,442	$	3,264,895	$	6,519,787	$	(8,062,679	)	$	3,529,445

Condensed Consolidating Balance Sheet

	As of December 31, 2017
	Issuer/ Subsidiary		Parent/ Guarantor		Non- Guarantor Subsidiaries		Eliminations			Consolidated
Assets
Current assets
Cash and cash equivalents	$	4,507	$	2,136	$	497,825	$	—		$	504,468
Accounts receivable intercompany, net		82,935		—		—		(82,935	)		—
Accounts receivable, net		—		—		693,085		—			693,085
Intercompany loans		194,854		—		1,620,537		(1,815,391	)		—
Intercompany other receivable		25,343		82,631		89,189		(197,163	)		—
Prepaid expenses and other current assets		311		1,276		234,755		—			236,342
Total current assets	$	307,950	$	86,043	$	3,135,391	$	(2,095,489	)	$	1,433,895
Property, plant and equipment, net		391		—		206,639		—			207,030
Intercompany loans		—		—		500,000		(500,000	)		—
Deferred tax assets		—		—		76,929		—			76,929
Investment in subsidiaries		426,410		2,864,386		529,179		(3,819,975	)		—
Investment in equity affiliates		—		—		886		—			886
Investment in debentures, intercompany		717,909		—		—		(717,909	)		—
Intercompany other receivable		—		49,761		—		(49,761	)		—
Intangible assets, net		—		—		131,590		—			131,590
Goodwill		—		—		1,337,122		—			1,337,122
Other assets		—		—		262,169		—			262,169
Total assets	$	1,452,660	$	3,000,190	$	6,179,905	$	(7,183,134	)	$	3,449,621

Liabilities and equity
Current liabilities
Short-term borrowings	$	—	$	—	$	170,000	$	—		$	170,000
Intercompany loans		38,000		1,597,537		179,854		(1,815,391	)		—
Current portion of long-term debt		—		—		39,226		—			39,226
Accounts payable		103		58		14,889		—			15,050
Intercompany accounts payable		—		—		82,935		(82,935	)		—
Income taxes payable		885		—		29,141		—			30,026
Intercompany other payable		29,526		59,266		108,371		(197,163	)		—
Accrued expenses and other current liabilities		5,995		2,390		576,097		—			584,482
Total current liabilities	$	74,509	$	1,659,251	$	1,200,513	$	(2,095,489	)	$	838,784
Long-term debt, less current portion		347,761		—		658,926		—			1,006,687
Deferred tax liabilities		—		—		6,747		—			6,747
Intercompany other payable		—		—		49,761		(49,761	)		—
Non-current intercompany loans payable		500,000		—		717,909		(1,217,909	)		—
Other liabilities		1,211		153		167,245		—			168,609
Total liabilities	$	923,481	$	1,659,404	$	2,801,101	$	(3,363,159	)	$	2,020,827

Redeemable non-controlling interest		—		—	4750			—		4750
Shareholders' equity		529,179		1,340,786		3,374,054		(3,819,975	)		1,424,044
Commitments and contingencies
Total liabilities, redeemable non-controlling interest and equity	$	1,452,660	$	3,000,190	$	6,179,905	$	(7,183,134	)	$	3,449,621

Condensed Consolidating Statement of Income (Loss)

	year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	50,356		$	—		$	3,000,790		$	(50,356	)	$	3,000,790
Cost of revenue		—			5,188			1,916,580			—			1,921,768
Gross profit	$	50,356		$	(5,188	)	$	1,084,210		$	(50,356	)	$	1,079,022

Operating expenses:
Selling, general and administrative expenses		11,324			23,703			709,260			(50,422	)		693,865
Amortization of acquired intangible assets		48			—			38,802			—			38,850
Other operating (income) expense, net		(17,599	)		—			15,754			—			(1,845	)
Income (loss) from operations	$	56,583		$	(28,891	)	$	320,394		$	66		$	348,152
Foreign exchange gains (losses), net		449			845			13,945			—			15,239
Interest income (expense), net		(16,504	)		—			(20,615	)		—			(37,119	)
Intercompany interest income (expense), net		77,857			(19,279	)		(58,578	)		—			—
Other income (expense), net		—			—			35,761			—			35,761
Income (loss) before equity-method investment activity, net and income tax expense	$	118,385		$	(47,325	)	$	290,907		$	66		$	362,033
Gain (loss) on equity-method investment activity, net		62,501			346,960			123,291			(532,764	)		(12	)
Income before income tax expense	$	180,886		$	299,635		$	414,198		$	(532,698	)	$	362,021
Income tax expense		6,124			—			74,639			—			80,763
Net income	$	174,762		$	299,635		$	339,559		$	(532,698	)	$	281,258
Net loss attributable to redeemable non-controlling interest					—			761			—			761
Net income attributable to Genpact Limited shareholders	$	174,762		$	299,635		$	340,320		$	(532,698	)	$	282,019

Condensed Consolidating Statement of Income (Loss)

	Year ended December 31, 2017
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	46,722		$	—		$	2,736,929		$	(46,722	)	$	2,736,929
Cost of revenue		—			—			1,681,438			—			1,681,438
Gross profit	$	46,722		$	—		$	1,055,491		$	(46,722	)	$	1,055,491

Operating expenses:
Selling, general and administrative expenses		9,859			21,076			728,145			(69,619	)		689,461
Amortization of acquired intangible assets		—			—			36,412			—			36,412
Other operating (income) expense, net		(3,412	)		—			1,751			—			(1,661	)
Income (loss) from operations	$	40,275		$	(21,076	)	$	289,183		$	22,897		$	331,279
Foreign exchange gains (losses), net		3,312			2			(1,318	)		—			1,996
Interest income (expense), net		(11,375	)		—			(20,360	)		—			(31,735	)
Intercompany interest income (expense), net		47,547			(10,148	)		(37,399	)		—			—
Other income (expense), net		18,391			—			5,195			—			23,586
Income (loss) before equity-method investment activity, net and income tax expense	$	98,150		$	(31,222	)	$	235,301		$	22,897		$	325,126
Gain (loss) on equity-method investment activity, net		(15,058	)		294,333			75,657			(359,475	)		(4,543	)
Income before income tax expense	$	83,092		$	263,111		$	310,958		$	(336,578	)	$	320,583
Income tax expense		7,435			—			52,307			—			59,742
Net income	$	75,657		$	263,111		$	258,651		$	(336,578	)	$	260,841
Net loss attributable to redeemable non-controlling interest		—			—			2,270			—			2,270
Net income attributable to Genpact Limited shareholders	$	75,657		$	263,111		$	260,921		$	(336,578	)	$	263,111

Condensed Consolidating Statement of Income (Loss)

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	39,518		$	—		$	2,570,756		$	(39,518	)	$	2,570,756
Cost of revenue		—			—			1,554,340			—			1,554,340
Gross profit	$	39,518		$	—		$	1,016,416		$	(39,518	)	$	1,016,416

Operating expenses:
Selling, general and administrative expenses		9,499			12,772			672,680			(41,984	)		652,967
Amortization of acquired intangible assets		—			—			27,183			—			27,183
Other operating (income) expense, net		(4,043	)		(500	)		(397	)		—			(4,940	)
Income (loss) from operations	$	34,062		$	(12,272	)	$	316,950		$	2,466		$	341,206
Foreign exchange gains (losses), net		(1,633	)		57			4,206			—			2,630
Interest income (expense), net		(1,358	)		—			(14,826	)		—			(16,184	)
Intercompany interest income (expense), net		81,359			-			(81,359	)		—			—
Other income (expense), net		(829	)		(3,390	)		13,910			—			9,691
Income (loss) before equity-method investment activity, net and income tax expense	$	111,601		$	(15,605	)	$	238,881		$	2,466		$	337,343
Gain (loss) on equity-method investment activity, net		29,969			285,289			133,186			(456,142	)		(7,698	)
Income before income tax expense	$	141,570		$	269,684		$	372,067		$	(453,676	)	$	329,645
Income tax expense		8,384			—			53,714			—			62,098
Net income	$	133,186		$	269,684		$	318,353		$	(453,676	)	$	267,547
Net loss attributable to redeemable non-controlling interest		—			—			2,137			—			2,137
Net income attributable to Genpact Limited shareholders	$	133,186		$	269,684		$	320,490		$	(453,676	)	$	269,684

Condensed Consolidating Statement of Comprehensive Income (Loss)
	Year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	174,762		$	299,635		$	340,320		$	(532,698	)	$	282,019		$	(761	)
Other comprehensive income:
Currency translation adjustments		(72,071	)		(109,656	)		(109,656	)		181,727			(109,656	)		(424	)
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		498			(46,293	)		(46,293	)		45,795			(46,293	)		—
Retirement benefits, net of taxes		(190	)		1,454			1,454			(1,264	)		1,454			—
Other comprehensive income (loss)		(71,763	)		(154,495	)		(154,495	)		226,258			(154,495	)		(424	)
Comprehensive income (loss)	$	102,999		$	145,140		$	185,825		$	(306,440	)	$	127,524		$	(1,185	)

	Year ended December 31, 2017
	Issuer/ Subsidiary		Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	75,657	$	263,111		$	260,921		$	(336,578	)	$	263,111		$	(2,270	)
Other comprehensive income:
Currency translation adjustments		74,716		93,871			93,871			(168,587	)		93,871			(341	)
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		9,788		12,611			12,611			(22,399	)		12,611		-
Retirement benefits, net of taxes		475		(3,787	)		(3,787	)		3,312			(3,787	)	-
Other comprehensive income (loss)		84,979		102,695			102,695			(187,674	)		102,695			(341	)
Comprehensive income (loss)	$	160,636	$	365,806		$	363,616		$	(524,252	)	$	365,806		$	(2,611	)

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	133,186		$	269,684		$	320,490		$	(453,676	)	$	269,684		$	(2,137	)
Other comprehensive income:
Currency translation adjustments		(31,679	)		(46,340	)		(46,340	)		78,019			(46,340	)		104
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		42,016			43,742			43,742			(85,758	)		43,742		-
Retirement benefits, net of taxes		(717	)		(4,042	)		(4,042	)		4,759			(4,042	)	-
Other comprehensive income (loss)		9,620			(6,640	)		(6,640	)		(2,980	)		(6,640	)		104
Comprehensive income (loss)	$	142,806		$	263,044		$	313,850		$	(456,656	)	$	263,044		$	(2,033	)

Condensed Consolidating Cash Flow

	Year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(266,889	)	$	11,905		$	25,399		$	569,096		$	339,511
Investing activities
Purchase of property, plant and equipment		—			—			(84,978	)		—			(84,978	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(75,439	)		—			(75,439	)
Proceeds from sale of property, plant and equipment		—			—			668			—			668
Investment in equity affiliates		—			—			-			—			-
Investment in subsidiaries		(97,730	)		—			-			97,730			-
Dividend received		-			—			-			-			-
Proceeds from redemption of debentures/(payments) for issuance of bonds, intercompany		91,760			(50,393	)		-			(41,368	)		-
Payment for business acquisitions, net of cash acquired		—			—			(111,571	)		—			(111,571	)
Payment for purchase of redeemable non-controlling interest		—			—			(4,730	)		—			(4,730	)
Net cash (used for)/provided by investing activities	$	(5,970	)	$	(50,393	)		(276,050	)	$	56,362		$	(276,050	)
Financing activities
Repayment of capital lease obligations		—			—			(2,395	)		—			(2,395	)
Payment of debt issuance costs		—			—			(4,293	)		—			(4,293	)
Proceeds from long-term debt		100,000			—			29,186			—			129,186
Repayment of long-term debt		(2,450	)		—			(163,736	)		—			(166,186	)
Proceeds from short-term borrowings		100,000			—			150,000			—			250,000
Repayment of Short-term borrowings		—			—			(125,000	)		—			(125,000	)
Proceeds from intercompany loans		172,047			308,500			334,320			(814,867	)		—
Repayment of intercompany loans		(81,479	)		(56,500	)		(107,792	)		245,771			—
Proceeds from issuance of common shares under stock-based compensation plans		—			14,034			—			—			14,034
Proceeds from issuance of common shares		—			—			113,954			(113,954	)		—
Payment for net settlement of stock-based awards		—			(15,919	)		—			—			(15,919	)
Payment of earn-out/deferred consideration		(1,797	)		—			(1,559	)		—			(3,356	)
Dividend paid		—			(57,102	)		(16,224	)		16,224			(57,102	)
Payment for stock repurchased and retired		—			(154,058	)		—			—			(154,058	)
Payment for expenses related to stock repurchase		—			(98	)		—			—			(98	)
Payment for redemption of debentures/(proceeds) from issuance of bonds, intercompany		—			—			(41,366	)		41,366			—
Net cash (used for)/provided by financing activities	$	286,321		$	38,857		$	165,095		$	(625,460	)	$	(135,187	)
Effect of exchange rate changes		(5,172	)		—			(59,174	)		—			(64,346	)
Net increase (decrease) in cash and cash equivalents		13,462			369			(85,557	)		—			(71,726	)
Cash and cash equivalents at the beginning of the period		4,507			2,136			497,825			—			504,468
Cash and cash equivalents at the end of the period	$	12,797		$	2,505		$	353,094		$	—		$	368,396

Condensed Consolidating Cash Flow

	Year ended December 31, 2017
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(315,877	)	$	(8,345	)	$	511,847		$	171,453		$	359,078
Investing activities
Purchase of property, plant and equipment		—			—			(57,231	)		—			(57,231	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(16,441	)		—			(16,441	)
Proceeds from sale of property, plant and equipment		—			—			1,738			—			1,738
Investment in equity affiliates		(523	)		—			27			—			(496	)
Investment in subsidiaries		(3,638	)		—			51,127			(47,489	)		—
Payment for business acquisitions, net of cash acquired		—			—			(284,822	)		—			(284,822	)
Proceeds from divestiture of business, net of cash divested		—			—			(4,738	)		—			(4,738	)
Net cash (used for)/provided by investing activities	$	(4,161	)	$	—		$	(310,340	)	$	(47,489	)	$	(361,990	)
Financing activities
Repayment of capital lease obligations		—			—			(2,708	)		—			(2,708	)
Payment of debt issuance costs		(2,630	)		—			—			—			(2,630	)
Proceeds from long-term debt		350,000			—			—			—			350,000
Repayment of long-term debt		—			—			(40,000	)		—			(40,000	)
Proceeds from short-term borrowings		—			—			295,000			—			295,000
Repayment of short-term borrowings		—			—			(285,000	)		—			(285,000	)
Proceeds from intercompany loans		—			263,886			—			(263,886	)		—
Repayment of intercompany loans		(35,000	)		—			(80,328	)		115,328			—
Proceeds from issuance of common shares under stock-based compensation plans		—			15,528			—			—			15,528
Payment for net settlement of stock-based awards		—			(10,296	)		—			—			(10,296	)
Payment of earn-out/deferred consideration		—			—			(6,219	)		—			(6,219	)
Dividend paid		—			(46,686	)		—			—			(46,686	)
Payment for stock repurchased and retired		—			(219,784	)		—			—			(219,784	)
Payment for expenses related to stock repurchase		—			(16	)		—			—			(16	)
Change in amounts due from/ due to consolidated affiliates		—			—			(24,594	)		24,594			—
Excess tax benefit on stock-based compensation		—			—			—			—			—
Net cash (used for)/provided by financing activities	$	312,370		$	2,632		$	(143,849	)	$	(123,964	)	$	47,189
Effect of exchange rate changes		960			—			36,608			—			37,568
Net increase (decrease) in cash and cash equivalents		(7,668	)		(5,713	)		57,658			—			44,277
Cash and cash equivalents at the beginning of the period		11,215			7,849			403,559			—			422,623
Cash and cash equivalents at the end of the period	$	4,507		$	2,136		$	497,825		$	—		$	504,468

Condensed Consolidating Cash Flow

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(42,212	)	$	25,592		$	(66,519	)	$	428,911		$	345,772
Investing activities
Purchase of property, plant and equipment		(625	)		—			(81,301	)		—			(81,926	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(6,846	)		—			(6,846	)
Proceeds from sale of property, plant and equipment		—			—			547			—			547
Investment in equity affiliates		(5,884	)		—			(3,736	)		—			(9,620	)
Investment in subsidiaries		(53,619	)		—			(8,101	)		61,720			—
Payment for business acquisitions, net of cash acquired		—			—			(45,162	)		—			(45,162	)
Proceeds from divestiture of business, net of cash divested		—			—			17,242			—			17,242
Net cash (used for)/provided by investing activities	$	(60,128	)	$	—		$	(127,357	)	$	61,720		$	(125,765	)
Financing activities
Repayment of capital lease obligations		—			—			(1,793	)		—			(1,793	)
Repayment of long-term debt		—			—			(40,000	)		—			(40,000	)
Proceeds from short-term borrowings		—			—			200,000			—			200,000
Repayment of short-term borrowings		—			—			(61,500	)		—			(61,500	)
Proceeds from intercompany loans		73,000			303,000			50,445			(426,445	)		—
Repayment of intercompany loans		—			—			—			—			—
Proceeds from issuance of common shares under stock-based compensation plans		—			18,228			—			—			18,228
Proceeds from issuance of common shares		40,000			—			—			(40,000	)		—
Payment for net settlement of stock-based awards		—			(769	)		—			—			(769	)
Payment of earn-out/deferred consideration		—			—			(1,485	)		—			(1,485	)
Payment for stock purchased and retired		—			(345,200	)		24,186			(24,186	)		(345,200	)
Payment for expenses related to stock purchase		—			(279	)		—			—			(279	)
Net cash (used for)/provided by financing activities	$	113,000		$	(25,020	)	$	169,853		$	(490,631	)	$	(232,798	)
Effect of exchange rate changes		(361	)		—			(15,132	)		—			(15,493	)
Net increase (decrease) in cash and cash equivalents		10,660			572			(24,023	)		—			(12,791	)
Cash and cash equivalents at the beginning of the period		916			7,277			442,714			—			450,907
Cash and cash equivalents at the end of the period	$	11,215		$	7,849		$	403,559		$	—		$	422,623

Summary of significant accounting policies (Policies)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Basis of preparation and principles of consolidation

(a) Basis of preparation and principles of consolidation

Use of estimates

(b) Use of estimates

Changes in Accounting Policies

2. Summary of significant accounting policies (Continued)

Revenue recognition

(d) Revenue recognition (effective January 1, 2018)

2. Summary of significant accounting policies (Continued)

Significant judgements

2. Summary of significant accounting policies (Continued)

Impact on consolidated financial statements

The following tables summarize the impact of the Company’s adoption of Topic 606 on its consolidated financial statements for the year ended December 31, 2018.

Consolidated Balance Sheet As of December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Assets
Current assets
Cash and cash equivalents	$	368,396					$	368,396
Accounts receivable, net		774,184						774,184
Prepaid expenses and other current assets (a, c)		212,477			56,594			269,071
Total current assets	$	1,355,057			56,594		$	1,411,651

Property, plant and equipment, net		212,715						212,715
Deferred tax assets (b)		74,566			5,984			80,550
Investment in equity affiliates		836						836
Intangible assets, net		177,087						177,087
Goodwill		1,393,832						1,393,832
Contract cost assets (a, b)		160,193			(160,193	)		-
Other assets (a, c)		155,159			107,133			262,292
Total assets	$	3,529,445			9,518		$	3,538,963

Liabilities and equity
Current liabilities
Short-term borrowings		295,000						295,000
Current portion of long-term debt		33,483						33,483
Accounts payable		42,584						42,584
Income taxes payable		33,895						33,895
Accrued expenses and other current liabilities (c)		571,350			10,289			581,639
Total current liabilities	$	976,312			10,289		$	986,601

Long-term debt, less current portion		975,645						975,645
Deferred tax liabilities		8,080						8,080
Other liabilities (c)		165,226			19,136			184,362
Total liabilities	$	2,125,263			29,425		$	2,154,688

Redeemable non-controlling interest		-						-
Shareholders' equity
Preferred shares, $0.01 par value, 250,000,000 authorized, none issued		-						-
Common shares, $0.01 par value, 500,000,000 authorized,192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively		1,888						1,888
Additional paid-in capital		1,471,301						1,471,301
Retained earnings (b)		438,453			(19,907	)		418,546
Accumulated other comprehensive income (loss)		(507,460	)					(507,460	)
Total equity	$	1,404,182			(19,907	)	$	1,384,275
Commitments and contingencies
Total liabilities, redeemable non-controlling interest and equity	$	3,529,445			9,518		$	3,538,963

(a) As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302. (b) The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets. (c) As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Income
Year ended December 31,2018	As reported			Adjustments			Balances without adoption of Topic 606
Net revenues	$	3,000,790					$	3,000,790
Cost of revenue		1,921,768						1,921,768
Gross profit	$	1,079,022			—		$	1,079,022
Operating expenses:
Selling, general and administrative expenses (e)		693,865			2,664			696,529
Amortization of acquired intangible assets		38,850						38,850
Other operating (income) expense, net		(1,845	)					(1,845	)
Income from operations	$	348,152			(2,664	)	$	345,488
Foreign exchange gains (losses), net		15,239						15,239
Interest income (expense), net		(37,119	)					(37,119	)
Other income (expense), net		35,761						35,761
Income before equity-method investment activity, net and income tax expense	$	362,033			(2,664	)	$	359,369
Equity-method investment activity, net		(12	)		—			(12	)
Income before income tax expense	$	362,021			(2,664	)	$	359,357
Income tax expense (benefit)		80,763			(681	)		80,082
Net income	$	281,258			(1,983	)	$	279,275
Net loss (income) attributable to non-controlling interest		761			—			761
Net income attributable to Genpact Limited shareholders	$	282,019			(1,983	)	$	280,036

(e) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452 resulting in a net adjustment of $2,664 with a corresponding impact on income tax benefit of $681.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Cash flow
Year ended December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Operating activities
Net income attributable to Genpact Limited shareholders (f)	$	282,019			(1,983	)	$	280,036
Net loss attributable to redeemable non-controlling interest		(761	)					(761	)
Net income (f)	$	281,258			(1,983	)	$	279,275
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization		64,868						64,868
Amortization of debt issuance costs (including loss on extinguishment of debt)		3,975						3,975
Amortization of acquired intangible assets		38,850						38,850
Write-down of intangible assets and property, plant and equipment		4,265						4,265
Reserve for doubtful receivables		1,857						1,857
Unrealized loss (gain) on revaluation of foreign currency asset/liability		3,352						3,352
Equity-method investment activity, net		12						12
Stock-based compensation expense		48,998						48,998
Deferred income taxes (f)		6,054			(681	)		5,373
Others, net		1,317						1,317
Change in operating assets and liabilities:
Increase in accounts receivable		(76,894	)					(76,894	)
Increase in prepaid expenses, other current assets, contract cost assets and other assets (f, g)		(76,392	)		(5,413	)		(81,805	)
Increase in accounts payable		26,401						26,401
Increase in accrued expenses, other current liabilities and other liabilities (g)		5,993			8,077			14,070
Increase in income taxes payable		5,597						5,597
Net cash provided by operating activities	$	339,511			—		$	339,511
Investing activities
Purchase of property, plant and equipment		(84,978	)					(84,978	)
Payment for internally generated intangible assets (including intangibles under development)		(75,439	)					(75,439	)
Proceeds from sale of property, plant and equipment		668						668
Payment for business acquisitions, net of cash acquired		(111,571	)					(111,571	)
Payment for redeemable non-controlling interest		(4,730	)					(4,730	)
Net cash used for investing activities	$	(276,050	)		—		$	(276,050	)
Financing activities
Repayment of capital lease obligations		(2,395	)					(2,395	)
Payment of debt issuance and refinancing costs		(4,293	)					(4,293	)
Proceeds from long term debt		129,186						129,186
Repayment of long-term debt		(166,186	)					(166,186	)
Proceeds from short-term borrowings		250,000						250,000
Repayment of short-term borrowings		(125,000	)					(125,000	)
Proceeds from issuance of common shares under stock-based compensation plans		14,034						14,034
Payment for net settlement of stock-based awards		(15,919	)					(15,919	)
Payment of earn-out/deferred consideration		(3,356	)					(3,356	)
Dividend paid		(57,102	)					(57,102	)
Payment for stock repurchased and retired		(154,058	)					(154,058	)
Payment for expenses related to stock repurchase		(98	)					(98	)
Net cash used for financing activities	$	(135,187	)		—		$	(135,187	)
Effect of exchange rate changes		(64,346	)					(64,346	)
Net increase (decrease) in cash and cash equivalents		(71,726	)					(71,726	)
Cash and cash equivalents at the beginning of the period		504,468						504,468
Cash and cash equivalents at the end of the period	$	368,396			—		$	368,396

(f) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below. (g) Following the adoption of ASC 606, the Company offset certain contract assets against contract liabilities related to the same client contract in an amount of $8,077.

Accounts receivable

(e) Accounts receivable

(f) Cash and cash equivalents

Cash and cash equivalents consist of cash and bank balances and all highly liquid investments purchased with an original maturity of three months or less.

Short- term investments

(g) Short-term investments

(h) Property, plant and equipment, net

		Years
Buildings		40
Furniture and fixtures		4
Computer equipment and servers		4
Plant, machinery and equipment		4
Computer software		4-7
Leasehold improvements		Lesser of lease period or 10 Years
Vehicles		3-4

2. Summary of significant accounting policies (Continued)

Business combinations

(i) Business combinations, goodwill and other intangible assets

Impairment of long-lived assets

Other Intangible Assets

Customer-related intangible assets		1-14 years
Marketing-related intangible assets		1-10 years
Technology-related intangible assets		2-8 years
Other intangible assets		3-5 years

(j) Impairment of long-lived assets

Foreign currency

(k) Foreign currency

Derivative instruments and hedging activities

2. Summary of significant accounting policies (Continued)

(l) Derivative instruments and hedging activities

Income taxes

(m) Income taxes

2. Summary of significant accounting policies (Continued)

The Company follows the specific identification approach for releasing stranded tax effects from AOCI upon recognition of these AOCI items in the Company’s statement of income.

Employee benefit plans

(n) Employee benefit plans

Deferred Compensation Plans

(o) Deferred Compensation Plans

Stock-based compensation

(p) Stock-based compensation

Accelerated Share Repurchase

2. Summary of significant accounting policies (Continued)

(q) Accelerated Share Repurchase

Government incentives

(r) Government incentives

Financial instruments and concentration of credit risk

(s) Financial instruments and concentration of credit risk

Earnings (loss) per share

(t) Earnings (loss) per share

Recently issued accounting pronouncements

(u) Commitments and contingencies

Debt Restructuring

(v) Debt Restructuring

(w) Recently issued accounting pronouncements

The authoritative bodies release standards and guidance which are assessed by management for impact on the company’s consolidated financial statements.

The following recently released accounting standard has been adopted by the Company:

2. Summary of significant accounting policies (Continued)

ASU requires entities to disclose the income statement lines that contain the other components if they are not presented on appropriately described separate lines.

The following recently released accounting standards have not yet been adopted by the Company:

2. Summary of significant accounting policies (Continued)

Reclassification

(w) Reclassification

Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Estimated Economic Useful Lives of Property Plant and Equipment

The Company depreciates and amortizes all property, plant and equipment using the straight-line method over the following estimated economic useful lives of the assets:

		Years
Buildings		40
Furniture and fixtures		4
Computer equipment and servers		4
Plant, machinery and equipment		4
Computer software		4-7
Leasehold improvements		Lesser of lease period or 10 Years
Vehicles		3-4

Estimated Useful Lives of Intangible Assets Acquired

Customer-related intangible assets		1-14 years
Marketing-related intangible assets		1-10 years
Technology-related intangible assets		2-8 years
Other intangible assets		3-5 years

Summary of Impact of Adoption of Topic 606 on Consolidated Financial Statements

Impact on consolidated financial statements

The following tables summarize the impact of the Company’s adoption of Topic 606 on its consolidated financial statements for the year ended December 31, 2018.

Consolidated Balance Sheet As of December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Assets
Current assets
Cash and cash equivalents	$	368,396					$	368,396
Accounts receivable, net		774,184						774,184
Prepaid expenses and other current assets (a, c)		212,477			56,594			269,071
Total current assets	$	1,355,057			56,594		$	1,411,651

Property, plant and equipment, net		212,715						212,715
Deferred tax assets (b)		74,566			5,984			80,550
Investment in equity affiliates		836						836
Intangible assets, net		177,087						177,087
Goodwill		1,393,832						1,393,832
Contract cost assets (a, b)		160,193			(160,193	)		-
Other assets (a, c)		155,159			107,133			262,292
Total assets	$	3,529,445			9,518		$	3,538,963

Liabilities and equity
Current liabilities
Short-term borrowings		295,000						295,000
Current portion of long-term debt		33,483						33,483
Accounts payable		42,584						42,584
Income taxes payable		33,895						33,895
Accrued expenses and other current liabilities (c)		571,350			10,289			581,639
Total current liabilities	$	976,312			10,289		$	986,601

Long-term debt, less current portion		975,645						975,645
Deferred tax liabilities		8,080						8,080
Other liabilities (c)		165,226			19,136			184,362
Total liabilities	$	2,125,263			29,425		$	2,154,688

Redeemable non-controlling interest		-						-
Shareholders' equity
Preferred shares, $0.01 par value, 250,000,000 authorized, none issued		-						-
Common shares, $0.01 par value, 500,000,000 authorized,192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively		1,888						1,888
Additional paid-in capital		1,471,301						1,471,301
Retained earnings (b)		438,453			(19,907	)		418,546
Accumulated other comprehensive income (loss)		(507,460	)					(507,460	)
Total equity	$	1,404,182			(19,907	)	$	1,384,275
Commitments and contingencies
Total liabilities, redeemable non-controlling interest and equity	$	3,529,445			9,518		$	3,538,963

(a) As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302. (b) The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets. (c) As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Income
Year ended December 31,2018	As reported			Adjustments			Balances without adoption of Topic 606
Net revenues	$	3,000,790					$	3,000,790
Cost of revenue		1,921,768						1,921,768
Gross profit	$	1,079,022			—		$	1,079,022
Operating expenses:
Selling, general and administrative expenses (e)		693,865			2,664			696,529
Amortization of acquired intangible assets		38,850						38,850
Other operating (income) expense, net		(1,845	)					(1,845	)
Income from operations	$	348,152			(2,664	)	$	345,488
Foreign exchange gains (losses), net		15,239						15,239
Interest income (expense), net		(37,119	)					(37,119	)
Other income (expense), net		35,761						35,761
Income before equity-method investment activity, net and income tax expense	$	362,033			(2,664	)	$	359,369
Equity-method investment activity, net		(12	)		—			(12	)
Income before income tax expense	$	362,021			(2,664	)	$	359,357
Income tax expense (benefit)		80,763			(681	)		80,082
Net income	$	281,258			(1,983	)	$	279,275
Net loss (income) attributable to non-controlling interest		761			—			761
Net income attributable to Genpact Limited shareholders	$	282,019			(1,983	)	$	280,036

(e) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452 resulting in a net adjustment of $2,664 with a corresponding impact on income tax benefit of $681.

2. Summary of significant accounting policies (Continued)

Consolidated Statement of Cash flow
Year ended December 31, 2018	As reported			Adjustments			Balances without adoption of Topic 606
Operating activities
Net income attributable to Genpact Limited shareholders (f)	$	282,019			(1,983	)	$	280,036
Net loss attributable to redeemable non-controlling interest		(761	)					(761	)
Net income (f)	$	281,258			(1,983	)	$	279,275
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization		64,868						64,868
Amortization of debt issuance costs (including loss on extinguishment of debt)		3,975						3,975
Amortization of acquired intangible assets		38,850						38,850
Write-down of intangible assets and property, plant and equipment		4,265						4,265
Reserve for doubtful receivables		1,857						1,857
Unrealized loss (gain) on revaluation of foreign currency asset/liability		3,352						3,352
Equity-method investment activity, net		12						12
Stock-based compensation expense		48,998						48,998
Deferred income taxes (f)		6,054			(681	)		5,373
Others, net		1,317						1,317
Change in operating assets and liabilities:
Increase in accounts receivable		(76,894	)					(76,894	)
Increase in prepaid expenses, other current assets, contract cost assets and other assets (f, g)		(76,392	)		(5,413	)		(81,805	)
Increase in accounts payable		26,401						26,401
Increase in accrued expenses, other current liabilities and other liabilities (g)		5,993			8,077			14,070
Increase in income taxes payable		5,597						5,597
Net cash provided by operating activities	$	339,511			—		$	339,511
Investing activities
Purchase of property, plant and equipment		(84,978	)					(84,978	)
Payment for internally generated intangible assets (including intangibles under development)		(75,439	)					(75,439	)
Proceeds from sale of property, plant and equipment		668						668
Payment for business acquisitions, net of cash acquired		(111,571	)					(111,571	)
Payment for redeemable non-controlling interest		(4,730	)					(4,730	)
Net cash used for investing activities	$	(276,050	)		—		$	(276,050	)
Financing activities
Repayment of capital lease obligations		(2,395	)					(2,395	)
Payment of debt issuance and refinancing costs		(4,293	)					(4,293	)
Proceeds from long term debt		129,186						129,186
Repayment of long-term debt		(166,186	)					(166,186	)
Proceeds from short-term borrowings		250,000						250,000
Repayment of short-term borrowings		(125,000	)					(125,000	)
Proceeds from issuance of common shares under stock-based compensation plans		14,034						14,034
Payment for net settlement of stock-based awards		(15,919	)					(15,919	)
Payment of earn-out/deferred consideration		(3,356	)					(3,356	)
Dividend paid		(57,102	)					(57,102	)
Payment for stock repurchased and retired		(154,058	)					(154,058	)
Payment for expenses related to stock repurchase		(98	)					(98	)
Net cash used for financing activities	$	(135,187	)		—		$	(135,187	)
Effect of exchange rate changes		(64,346	)					(64,346	)
Net increase (decrease) in cash and cash equivalents		(71,726	)					(71,726	)
Cash and cash equivalents at the beginning of the period		504,468						504,468
Cash and cash equivalents at the end of the period	$	368,396			—		$	368,396

(f) During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below. (g) Following the adoption of ASC 606, the Company offset certain contract assets against contract liabilities related to the same client contract in an amount of $8,077.

Business acquisitions and divestiture (Tables)

12 Months Ended

Dec. 31, 2018

IT Support Business | Europe

Summary of Calculation of Loss on Sale of Business

The Company recorded a loss of $5,668 in its consolidated statement of income in connection with the sale of the Business, calculated as follows:

Net sale proceeds	$	—
Net assets of the business, including the translation impact thereof		5,569
Selling expenses		99
Loss on divestiture included in other income (expense), net	$	5,668

Other Acquisitions

Business Combination, Acquisition Date, Goodwill Reporting Unit and Goodwill Deductibility for Tax

The following table sets forth, with respect to each of the five acquisitions, the acquisition date, goodwill reporting unit and the tax deductibility of the goodwill:


Acquisition	Acquisition date	Goodwill reporting unit	Tax deductibility - goodwill
U.S. Delivery Center	October 16, 2017	India	Deductible
OnSource	July 18, 2017	India	Deductible
Birlasoft	July 18, 2017	IT Services	Deductible
Fiserv	May 11, 2017	India	Non-deductible
Lease Dimensions	February 15, 2017	Americas	Non-deductible

Cash And Cash Equivalents [Abstract]

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760

Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

Cash and cash equivalents (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Cash and Cash Equivalents

	As of December 31,
	2017		2018
Cash and other bank balances	$	504,468	$	368,396
Total	$	504,468	$	368,396

Accounts receivable, net of reserve for doubtful receivables (Tables)

12 Months Ended

Dec. 31, 2018

Receivables [Abstract]

Reserve for Doubtful Receivables

The following table provides details of the Company’s reserve for doubtful receivables:


	Year ended December 31,
	2016			2017			2018
Opening balance as of January 1	$	11,530		$	15,519		$	23,660
Additions due to acquisitions		—			235			—
Additions charged/reversal released to cost and expense		7,282			9,819			1,857
Deductions/effect of exchange rate fluctuations		(3,293	)		(1,913	)		(1,557	)
Closing balance	$	15,519		$	23,660		$	23,960

Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value of Assets and Liabilities Measured on Recurring Basis, Including Derivative Instruments

	As of December 31, 2017
	Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Other Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets
Derivative instruments (Note a, c)	$	73,098	$	—	$	73,098	$	—
Total	$	73,098	$	—	$	73,098	$	—
Liabilities
Earn out consideration (Note b, d)	$	24,732	$	—	$	—	$	24,732
Derivative instruments (Note b, c)	$	18,188	$	—	$	18,188	$	—
Total	$	42,920	$	—	$	18,188	$	24,732
Redeemable non-controlling interest (Note e)	$	4,750	$	—	$	—	$	4,750

	As of December 31 2018
	Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Other Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets
Derivative instruments (Note a, c)	$	44,099	$	—	$	44,099	$	—
Deferred compensation plan assets (a, f)		1,613		—		—		1,613
Total	$	45,712	$	—	$	44,099	$	1,613
Liabilities
Earn-out consideration (Note b, d)	$	17,073	$	—	$	—	$	17,073
Derivative instruments (Note b, c)		35,245		—		35,245		—
Deferred compensation plan liability (b, g)		1,582		—		—		1,582
Total	$	53,900	$	—	$	35,245	$	18,655

(a)	Included in “prepaid expenses and other current assets” and “other assets” in the consolidated balance sheets.

(b)	Included in “accrued expenses and other current liabilities” and “other liabilities” in the consolidated balance sheets.

(c)	The Company values its derivative instruments based on market observable inputs, including both forward and spot prices for the relevant currencies and interest rate indices for relevant interest rates. The quotes are taken from an independent market database.

(d)

(e)

(f)

6. Fair Value Measurements (Continued)

(g)	The fair value of the deferred compensation plan liability is derived based on the fair value of the underlying assets in the insurance policies and is therefore classified within level 3 of the valuation hierarchy.

Deferred Compensation Plan Assets

Roll-Forward of Fair Value of Deferred Compensation Plan Assets Categorized as Level 3 in Fair Value Hierarchy

The following table provides a roll-forward of the fair value of deferred compensation plan assets categorized as level 3 in the fair value hierarchy for the year ended December 31, 2017 and 2018:

	Year ended December 31,
	2017		2018
Opening balance	$	—	$	—
Redemptions		—	—
Additions		—		1,669
Change in fair value of deferred compensation plan assets (note a)		—		(56	)
Closing balance	$	—	$	1,613

(a)	Changes in the fair value of plan assets are reported in “other income (expense), net” in the consolidated statements of income.

Business Acquisition Contingent Consideration

Roll-Forward of Fair Value of Earn-out Consideration and Deferred Compensation Liabilities Categorized as Level 3 in Fair Value Hierarchy

The following table provides a roll-forward of the fair value of earn-out consideration categorized as level 3 in the fair value hierarchy for the years ended December 31, 2017 and 2018:


	Year ended December 31,
	2017			2018
Opening balance	$	22,435		$	24,732
Earn-out consideration payable in connection with acquisitions		10,720			—
Payments made on earn-out consideration		(7,239	)		(3,356	)
Change in fair value of earn out consideration (Note a)		(3,695	)		(5,655	)
Others (Note b)		2,511			1,352
Ending balance	$	24,732		$	17,073

(a)	Changes in the fair value of earn-out consideration are reported in “other operating (income) expense, net” in the consolidated statements of income.

(b)

Deferred Compensation Liabilities

Roll-Forward of Fair Value of Earn-out Consideration and Deferred Compensation Liabilities Categorized as Level 3 in Fair Value Hierarchy

The following table provides a roll-forward of the fair value of deferred compensation liabilities categorized as level 3 in the fair value hierarchy for the year ended December 31, 2017 and 2018:

	Year ended December 31,
	2017		2018
Opening balance	$	—	$	—
Redemptions		—	—
Additions		—	1669
Change in fair value of deferred compensation plan liabilities (note a)		—		(87	)
Closing balance	$	—	$	1,582

(a)

Changes in the fair value of deferred compensation liabilities are reported in “selling, general and administrative expenses” in the consolidated statements of income.

Derivative financial instruments (Tables)

12 Months Ended

Dec. 31, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Aggregate Notional Principal Amounts of Outstanding Derivative Financial Instruments with Related Balance Sheet Exposure

The following table presents the aggregate notional principal amounts of outstanding derivative financial instruments together with the related balance sheet exposure:

	Notional principal amounts (note a)				Balance sheet exposure asset (liability) (note b)
	As of December 31, 2017		As of December 31, 2018		As of December 31, 2017			As of December 31, 2018
Foreign exchange forward contracts denominated in:
United States Dollars (sell) Indian Rupees (buy)	$	1,289,400	$	1,439,000	$	54,398		$	(3,643	)
United States Dollars (sell) Mexican Peso (buy)		9,000		—		(441	)		—
United States Dollars (sell) Philippines Peso (buy)		76,650		55,800		69			(1,510	)
Euro (sell) United States Dollars (buy)		170,542		136,412		(2,069	)		4,804
Pound Sterling (buy) United States Dollars (sell)		24,041		128		253			(128	)
Euro (sell) Romanian Leu (buy)		35,826		41,198		(892	)		(299	)
Japanese Yen (sell) Chinese Renminbi (buy)		60,768		40,568		1,918			(2,195	)
Pound Sterling (sell) United States Dollars (buy)		80,871		27,517		(2,478	)		495
Australian Dollars (sell) United States Dollars (buy)		136,092		89,780		(5,180	)		3,548
Interest rate swaps (floating to fixed)		432,117		507,425		9,332			7,782
						54,910			8,854

(a)

(b)	Balance sheet exposure is denominated in U.S. dollars and denotes the mark-to-market impact of the derivative financial instruments on the reporting date.

Fair Values of Derivative Instruments and Location in Financial Statements

The fair values of the Company’s derivative instruments and their location in the Company’s financial statements are summarized in the table below:

	Cash flow hedges				Non-designated
	As of December 31, 2017		As of December 31, 2018		As of December 31, 2017		As of December 31, 2018
Assets
Prepaid expenses and other current assets	$	43,557	$	23,038	$	4,635	$	11,490
Other assets	$	24,906	$	9,571	$	—	$	—
Liabilities
Accrued expenses and other current liabilities	$	10,092	$	15,148	$	254	$	225
Other liabilities	$	7,842	$	19,872	$	—	$	—

Cash Flow Hedges, Gains (Losses) Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income

In connection with cash flow hedges, the gains (losses) recorded as a component of other comprehensive income (loss), or OCI, and the related tax effects are summarized below:

	Year ended December 31,
	2016									2017							2018
	Before-Tax amount			Tax (Expense) or Benefit			Net of tax Amount			Before-Tax amount		Tax (Expense) or Benefit			Net of tax Amount		Before-Tax amount			Tax (Expense) or Benefit			Net of tax Amount
Opening balance	$	(30,090	)	$	9,830		$	(20,260	)	$	37,461	$	(13,979	)	$	23,482	$	50,529		$	(14,436	)	$	36,093
Adoption of ASU 2018-02 (refer to note 25)		—			—			—			—		—			—		—			2,265			2,265
Net gains (losses) reclassified into statement of income on completion of hedged transactions (Note (a))		(6,799	)		409			(6,390	)		54,494		(17,725	)		36,769		9,336			(1,073	)		8,263
Changes in fair value of effective portion of outstanding derivatives, net		60,752			(23,400	)		37,352			67,562		(18,182	)		49,380		(43,604	)		5,574			(38,030	)
Gain (loss) on cash flow hedging derivatives, net		67,551			(23,809	)		43,742			13,068		(457	)		12,611		(52,940	)		6,647			(46,293	)
Closing balance	$	37,461		$	(13,979	)	$	23,482		$	50,529	$	(14,436	)	$	36,093	$	(2,411	)	$	(5,524	)	$	(7,935	)

Note (a) The tax (expense) benefit includes the effect of novating certain hedging instruments as part of an intercompany transfer.

Gains (Losses) Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income

The gains or losses recognized in other comprehensive income (loss) and their effects on financial performance are summarized below:




	Amount of Gain (Loss)							Location of Gain (Loss)	Amount of Gain (Loss) reclassified
Derivatives in	recognized in OCI on							reclassified	from OCI into Statement of Income
Cash Flow	Derivatives (Effective Portion)							from OCI into	(Effective Portion)
Hedging	Year ended December 31,							Statement of Income	Year ended December 31,
Relationships	2016		2017		2018			(Effective Portion)	2016			2017			2018
Forward foreign exchange contracts	$	54,664	$	66,037	$	(45,840	)	Revenue	$	12,859		$	5,858		$	(716	)
Interest rate swaps		6,088		1,525		2,236		Cost of revenue		(14,223	)		37,849			4,723
								Selling, general and administrative expenses	$	(3,765	)		10,849			1,543
								Interest expense		(1,670	)		(62	)		3,786
	$	60,752	$	67,562	$	(43,604	)		$	(6,799	)	$	54,494		$	9,336

There were no gains (losses) related to the ineffective portion of derivatives for the periods shown.

Non-designated Hedges


		Amount of Gain (Loss) recognized in Statement of Income on Derivatives
		Year ended December 31,
Derivatives not designated as hedging instruments	Location of Gain (Loss) recognized in Statement of Income on Derivatives	2016		2017		2018
Forward foreign exchange contracts (Note a)	Foreign exchange gains (losses), net	$	2,921	$	16,696	$	(6,240	)
		$	2,921	$	16,696	$	(6,240	)

(a)

Prepaid expenses and other current assets (Tables)

12 Months Ended

Dec. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	As of December 31,
	2017		2018
Advance income and non-income taxes	$	51,832	$	58,701
Deferred transition costs		62,029		—
Contract asset (Note 27)		—		22,472
Customer acquisition cost		19,327		—
Prepaid expenses		16,944		25,996
Derivative instruments		48,192		34,528
Employee advances		5,014		3,772
Deposits		4,719		2,758
Advances to suppliers		2,705		1,998
Others		25,580		62,252
	$	236,342	$	212,477

Property, plant and equipment, net (Tables)

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Goodwill And Intangible Assets Disclosure [Abstract]

Property, plant and equipment, net consist of the following:

	As of December 31,
	2017			2018
Land	$	10,209		$	9,401
Buildings		46,007			43,078
Furniture and fixtures		43,091			47,206
Computer equipment and servers		210,725			210,239
Plant, machinery and equipment		92,981			88,937
Computer software		137,459			138,824
Leasehold improvements		102,072			105,965
Vehicles		6,418			5,309
Capital work in progress		17,069			11,795
Property, plant and equipment, gross	$	666,031		$	660,754
Less: Accumulated depreciation and amortization		(459,001	)		(448,039	)
Property, plant and equipment, net	$	207,030		$	212,715

Goodwill and intangible assets (Tables)

12 Months Ended

Dec. 31, 2018

Changes in Goodwill

The following table presents the changes in goodwill for the years ended December 31, 2017 and 2018:

	As of December 31,
	2017			2018
Opening balance	$	1,069,408		$	1,337,122
Goodwill relating to acquisitions consummated during the period		229,745			91,936
Impact of measurement period adjustments		(106	)		816
Effect of exchange rate fluctuations		38,075			(36,042	)
Closing balance	$	1,337,122		$	1,393,832

Goodwill Allocated to Reporting Units

Goodwill has been allocated to the following reporting units, which represent different business units of the Company, as follows:

	As of December 31,
	2017		2018
India	$	735,596	$	794,902
China		60,171		59,319
Europe		41,775		40,033
Americas		57,021		57,021
IT services		442,559		442,557
	$	1,337,122	$	1,393,832

Intangible Assets Acquired Either Individually or with Group of Other Assets or in Business Combination

The Company’s intangible assets acquired either individually or with a group of other assets or in a business combination are as follows:

	As of December 31, 2017						As of December 31,2018
	Gross carrying amount		Accumulated amortization & Impairment		Net		Gross carrying amount		Accumulated amortization & Impairment		Net
Customer-related intangible assets	$	369,173	$	293,029	$	76,144	$	368,558	$	306,582	$	61,976
Marketing-related intangible assets		52,443		39,212		13,231		54,714		46,591		8,123
Technology-related intangible assets		54,189		28,278		25,911		76,790		33,976		42,814
Other intangible assets		3,081		2,314		767		1,204		1,077		127
Intangible assets under development		15,537		-		15,537		64,047		-		64,047
		494,423		362,833	$	131,590	$	565,313	$	388,226	$	177,087

Estimated Amortization Schedule of Intangible Assets for Future Periods

The estimated amortization schedule for the Company’s intangible assets for future periods is set out below:

2019	$	36,395
2020		34,949
2021		20,814
2022		10,957
2023 and beyond		9,925
	$	113,040

Other Assets (Tables)

12 Months Ended

Dec. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Assets

Other assets consist of the following:

	As of December 31,
	2017		2018
Customer acquisition cost	$	37,017		—
Contract asset (Note 27)		—		22,563
Advance income and non-income taxes		63,474		62,942
Deferred transition costs		77,255		—
Deposits		32,174		25,984
Derivative instruments		24,906		9,571
Prepaid expenses		2,849		5,052
Accounts Receivable due after one year		1,624		4,099
Others		22,870		24,948
	$	262,169	$	155,159

Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Future Minimum Lease Payments under Operating Lease Arrangements

operating lease agreements that expire at various dates. Future minimum lease payments under these agreements are as follows

As of December 31:
2019	$	64,099
2020		58,434
2021		53,170
2022		47,976
2023		38,862
2024 and beyond		147,765
Total minimum lease payments	$	410,306

Accrued expenses and other current liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:

	As of December 31,
	2017		2018
Accrued expenses	$	204,997	$	179,843
Accrued employee cost		204,506		210,251
Earn-out consideration		14,928		16,875
Statutory liabilities		36,283		42,728
Retirement benefits		21,074		22,921
Derivative instruments		10,346		15,373
Advance from customers		25,476		—
Contract liabilities (Note 27)		—		64,744
Deferred transition revenue		52,233		—
Other liabilities		13,093		16,807
Capital lease obligations		1,546		1,808
	$	584,482	$	571,350

Long-term debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Maturity Profile of Term Loan, Outstanding Net of Debt Amortization Expense

The maturity profile of the term loan outstanding as of December 31, 2018, net of debt amortization expense, is as follows:

Year ended	Amount
2019	$	33,483
2020		33,509
2021		33,537
2022		33,564
2023		526,748
Total	$	660,841

Other liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Other Liabilities Disclosure [Abstract]

Schedule of Other liabilities

Other liabilities consist of the following:

	As of December 31,
	2017		2018
Accrued employee cost	$	14,020	$	6,341
Earn-out consideration		9,804		198
Retirement benefits		40,520		50,370
Derivative instruments		7,842		19,872
Advance from customers		790		—
Contract liabilities (Note 27)		—		53,796
Deferred transition revenue		70,900		—
Others		22,069		32,935
Capital lease obligations		2,664		1,714
	$	168,609	$	165,226

Employee benefit plans (Tables)

12 Months Ended

Dec. 31, 2018

Funded Status of Defined Benefit Plans and Amount Recognized

	As of December 31,
	2017			2018
Change in benefit obligation
Projected benefit obligation at the beginning of the year	$	45,283		$	58,094
Service cost		7,735			7,833
Actuarial loss (gain)		4,493			470
Interest cost		3,252			3,822
Liabilities assumed on acquisition		—			503
Benefits paid		(5,367	)		(6,277	)
Special termination benefit		57			—
Plan amendments		—			995
Effect of exchange rate changes		2,641			(3,992	)
Projected benefit obligation at the end of the year	$	58,094		$	61,448
Change in fair value of plan assets
Fair value of plan assets at the beginning of the year	$	30,871		$	45,560
Employer contributions		15,176			1,573
Actual gain on plan assets		2,746			1,929
Actuarial gain/(loss)		11			(9	)
Benefits paid		(5,301	)		(6,228	)
Effect of exchange rate changes		2,057			(3,142	)
Fair value of plan assets at the end of the year	$	45,560		$	39,683

Amounts Included in Other Comprehensive Income (Loss)

Amounts included in other comprehensive income (loss) as of December 31, 2017 and 2018 were as follows:

	As of December 31,
	2017			2018
Net actuarial loss	$	(12,228	)	$	(11,037	)
Net Prior Service Credit / (Cost)		—			(967	)
Deferred tax assets		2,221			3,451
Other comprehensive income, net	$	(10,007	)	$	(8,553	)

Changes in Accumulated Other Comprehensive Income (Loss)

Changes in other comprehensive income (loss) during the year ended December 31, 2018 were as follows:

	2018
Net actuarial loss	$	(951	)
Amortization of net actuarial loss		1,202
Deferred income taxes		1,407
Net prior service credit/(cost)		(944	)
Effect of exchange rate changes		740
Other comprehensive income (loss), net	$	1,454

Net Defined Benefit Plan Costs

Net defined benefit plan costs for the years ended December 31, 2016, 2017 and 2018 include the following components:

	Year ended December 31,
	2016			2017			2018
Service costs	$	5,661		$	7,735		$	7,833
Interest costs		2,585			3,252			3,822
Amortization of actuarial loss		(113	)		1,177			806
Expected return on plan assets		(2,043	)		(2,412	)		(2,435	)
One time cost		—			209			—
Special termination benefits		—			426			—
Net defined benefit plan costs	$	6,090		$	10,387		$	10,026

Fair Values of Plan Assets

The fair values of the Company’s plan assets as of December 31, 2017 and 2018 by asset category are as follows:

	Total
	As of December 31, 2018
	Fair Value Measurements at Reporting Date Using
					Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Other Unobservable Inputs
	Total				(Level 1)					(Level 2)			(Level 3)
Asset category
Equity	$		7		$			7	$		—		$		—
Cash			381					381			—				—
Fixed income securities (Note a)			36,499					3,345			33,154				—
Other securities (Note b)			2,796					2,381			415				—
Total	$		39,683		$			6,114	$		33,569		$		—
		Total
		As of December 31, 2017
		Fair Value Measurements at Reporting Date Using
						Quoted Prices in Active Markets for Identical Assets					Significant Other Observable Inputs		Significant Other Unobservable Inputs
		Total				(Level 1)					(Level 2)		(Level 3)
Asset category
Cash		$		472		$	472				$	—	$	—
Fixed income securities (Note a)				42,328			3,419					38,909		—
Other securities (Note b)				2,760			2,437					323		—
Total		$		45,560		$	6,328				$	39,232	$	—

(a)	Includes investments in funds that invest 100% of their assets in fixed income securities such as money market instruments, government securities and public and private bonds.

(b)	Includes investments in funds that invest primarily in fixed income securities and the remaining portion in equity securities.

Benefit Plan Payments Reflect Expected Future Service

17. Employee benefit plans (Continued)

The expected benefit plan payments set forth below reflect expected future service:

Year ending December 31,
2019	$	9,983
2020		10,454
2021		10,686
2022		10,877
2023		11,193
2024 - 2028		53,112
	$	106,305

Amount Contributed to Defined Contribution Plans in Various Jurisdictions

During the years ended December 31, 2016, 2017 and 2018, the Company contributed the following amounts to defined contribution plans in various jurisdictions:

	Year ended December 31,
	2016		2017		2018
India	$	19,074	$	22,242	$	23,877
U.S.		10,379		11,147		13,454
U.K.		6,593		7,823		9,619
China		15,512		15,950		17,625
Other regions		4,684		4,059		4,604
Total	$	56,242	$	61,221	$	69,179

Benefit Obligations Of Gratuity Plan

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

The weighted average assumptions used to determine the benefit obligations of the Gratuity Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017	2018
Discount rate	7.40% - 7.60%	8.30% - 8.40%
Rate of increase in compensation per annum	5.20%-11.00%	5.20%-11.00%

Gratuity Plan Costs

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

The weighted average assumptions used to determine the Gratuity Plan costs for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016	2017	2018
Discount rate	8.30% - 8.45%	7.10% - 7.5%	7.40% - 7.60%
Rate of increase in compensation per annum	5.20% - 11.00%	5.20% - 11.00%	5.20% - 11.00%
Expected long term rate of return on plan assets per annum	7.50%	7.50%	7.50%

Benefit Obligations Of Mexican Plan

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

The weighted average assumptions used to determine the benefit obligations of the Mexican Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017			2018
Discount rate		7.60	%		9.25	%
Rate of increase in compensation per annum		5.50	%		5.50	%

Mexican Plan Costs

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

The weighted average assumptions used to determine the costs of the Mexican Plan for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016			2017			2018
Discount rate		6.50	%		6.80	%		7.60	%
Rate of increase in compensation per annum		5.50	%		5.50	%		5.50	%
Expected long term rate of return on plan assets per annum		0.00	%		0.00	%		0.00	%

Benefit Obligations Of Japan Plan

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

17. Employee benefit plans (Continued)

The weighted average assumptions used to determine the benefit obligation of the Japan Plan as of December 31, 2017 and 2018 are presented below:

	As of December 31,
	2017	2018
Discount rate	0.113%-0.789%	0.076%-0.269%
Rate of increase in compensation per annum	0.00% - 3.55%	0.00%

Japan Plan Costs

Weighted Average Assumptions used to Determine Benefit Obligations and Plan Costs

The weighted average assumptions used to determine the costs of the Japan Plan for the years ended December 31, 2016, 2017 and 2018 are presented below:

	Year ended December 31,
	2016	2017	2018
Discount rate	0.24% - 1.30%	0.08% - 1.30%	0.113%-0.789%
Rate of increase in compensation per annum	0.00% - 3.55%	0.00% - 3.55%	0.00% - 3.55%
Expected long term rate of return on plan assets per annum	0.00% - 3.77%	0.00% - 3.09%	0-1.84%

Stock-based compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Significant Assumptions used in Determination of Fair Value of Options Granted

The following table shows the significant assumptions used in connection with the determination of the fair value of options granted in 2016, 2017 and 2018:

	2016			2017		2018
Dividend yield		—			0.97%			0.95%-1.01%
Expected life (in months)	84		84				84
Risk-free rate of interest for expected life	1.42% - 1.56%		2.25%				2.67%-2.93%
Volatility	25.60% - 27.22%		24.28%				22.55-22.73%

Summary of Stock Option Activity

A summary of stock option activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2016		5,986,845		$	16.99		5.8	$	—
Granted		860,000			26.80		—		—
Forfeited		(145,000	)		17.77		—		—
Expired		—			—		—		—
Exercised		(994,155	)		14.98		—		10,982
Outstanding as of December 31, 2016		5,707,690		$	18.65		5.8	$	34,641
Vested as of December 31, 2016 and expected to vest thereafter (Note a)		5,457,701		$	18.42		5.8	$	34,150
Vested and exercisable as of December 31, 2016		2,746,191		$	15.62		4.0	$	23,960
Weighted average grant-date fair value of options granted during the period	$	8.50

18. Stock-based compensation (Continued)

	Year ended December 31, 2017
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2017		5,707,690		$	18.65		5.8	$	—
Granted		250,000			24.74		—		—
Forfeited		(80,000	)		20.63		—		—
Expired		—			—		—		—
Exercised		(743,045	)		14.50		—		8,512
Outstanding as of December 31, 2017		5,134,645		$	19.52		5.6	$	62,743
Vested as of December 31, 2017 and expected to vest thereafter (Note a)		4,988,875		$	19.36		5.6	$	61,779
Vested and exercisable as of December 31, 2017		2,203,146		$	16.17		4.1	$	34,303
Weighted average grant-date fair value of options granted during the period	$	6.62


	Year ended December 31, 2018
	Shares arising out of options			Weighted average exercise price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding as of January 1, 2018		5,134,645		$	19.52		5.6	$	—
Granted		2,638,106			30.47		—		—
Forfeited		(70,000	)		27.65		—		—
Expired		—			—		—		—
Exercised		(441,076	)		16.46		—		6,731
Outstanding as of December 31, 2018		7,261,675		$	23.61		6.4	$	34,143
Vested as of December 31, 2018 and expected to vest thereafter (Note a)		7,107,605		$	23.50		6.4	$	33,997
Vested and exercisable as of December 31, 2018		3,313,570		$	17.69		3.7	$	30,806
Weighted average grant-date fair value of options granted during the period	$	8.32

(a)	Options expected to vest reflect an estimated forfeiture rate.

Summary of Restricted Share Units Activity

A summary of RSU activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2016		157,390		$	17.67
Granted		95,553			25.49
Vested (Note b)		(133,903	)		20.66
Forfeited		(1,135	)		14.18
Outstanding as of December 31, 2016		117,905		$	20.65
Expected to vest (Note a)		107,366

	Year ended December 31, 2017
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2017		117,905		$	20.65
Granted		1,533,836			26.36
Vested (Note c)		(45,248	)		18.31
Forfeited		(1,242	)		25.53
Outstanding as of December 31, 2017		1605,251		$	26.17
Expected to vest (Note a)		1,371,567
	Year ended December 31, 2018
	Number of Restricted Share Units			Weighted Average Grant Date Fair Value
Outstanding as of January 1, 2018		1,605,251		$	26.17
Granted		484,427			30.13
Vested (Note d)		(358,697	)		25.53
Forfeited		(201,982	)		27.09
Outstanding as of December 31, 2018		1,528,999		$	27.45
Expected to vest (Note a)		1,360,048

(a)	RSUs expected to vest reflect an estimated forfeiture rate.

(b)

(c)	Vested RSUs were net settled by issuing 32,395 shares (net of minimum statutory tax withholding).

(d)

Summary of Performance Units Activity

A summary of PU activity during the years ended December 31, 2016, 2017 and 2018 is set out below:

	Year ended December 31, 2016
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2016		2,499,322		$	19.95		2,499,322
Granted		1,518,374			27.93		3,343,335
Vested		—			—		—
Forfeited		(252,842	)		21.88		(325,817	)
Adjustment upon final determination of level of performance goal achievement (Note b)		7,274			22.72
Adjustment upon final determination of level of performance goal achievement (Note b)							7,274
Outstanding as of December 31, 2016		3,772,128		$	23.04		5,524,114
Expected to vest (Note a)		2,226,489

18. Stock-based compensation (Continued)

	Year ended December 31, 2017
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2017		3,772,128		$	23.04		5,524,114
Granted		1,811,292			25.22		3,622,584
Vested (Note c)		(1,136,047	)		16.78		(1,136,047	)
Forfeited (Note d)		(1,583,913	)		27.57		(1,627,313	)
Adjustment upon final determination of level of performance goal achievement (Note e)		37,480			25.22
Adjustment upon final determination of level of performance goal achievement (Note f)							(3,482,398	)
Outstanding as of December 31, 2017		2,900,940		$	24.40		2,900,940
Expected to vest (Note a)		2,657,685
	Year ended December 31, 2018
	Number of Performance Units			Weighted Average Grant Date Fair Value		Maximum Shares Eligible to Receive
Outstanding as of January 1, 2018		2,900,940		$	24.40		2,900,940
Granted		1,682,740			30.62		3,365,480
Vested (Note g)		(1,087,751	)		22.73		(1,087,751)
Forfeited		(258,237	)		26.03		(305,737	)
Adjustment upon final determination of level of performance goal achievement (Note h)		474,800			30.68
Adjustment upon final determination of level of performance goal achievement (Note i)							(1,160,530)
Outstanding as of December 31, 2018		3,712,402		$	28.40		3,712,402
Expected to vest (Note a)		3,261,069

(a)	PUs expected to vest are based on the probable achievement of the performance targets after considering an estimated forfeiture rate.

(b)	Represents an adjustment made in March 2016 to the number of shares underlying the PUs granted in 2015 upon certification of the level of achievement of the performance targets for such awards.

18. Stock-based compensation (Continued)

(c)	Vested PUs were net settled upon vesting by issuing 731,701 shares (net of minimum statutory tax withholding).

(d) Includes 1,443,624 target shares underlying PUs granted in 2016 which were forfeited for failure to achieve all of the threshold performance targets under such awards.

(e)	Represents a 2.7% increase in the number of target shares as a result of achievement of higher-than-target performance for certain PUs granted in 2017, partially offset by a 12.5% reduction as a result of achievement of lower-than-target performance for certain PUs granted in 2017.

(f)

(g)	Vested PUs were net settled upon vesting by issuing 691,958 shares (net of minimum statutory tax withholding).

(h)

(i)

Earnings per share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	Year ended December 31,
	2016		2017		2018
Net income available to Genpact Limited common shareholders	$	269,684	$	263,111	$	282,019
Weighted average number of common shares used in computing basic earnings per common share		206,861,536		193,864,755		190,674,740
Dilutive effect of stock-based awards		3,264,487		3,184,797		3,305,298
Weighted average number of common shares used in computing dilutive earnings per common share		210,126,023		197,049,552		193,980,038
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	1.30	$	1.36	$	1.48
Diluted	$	1.28	$	1.34	$	1.45

Cost of revenue (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Cost of Revenue

Cost of revenue consists of the following:

	Year ended December 31,
	2016		2017		2018
Personnel expenses	$	1,061,134	$	1,153,479	$	1,322,651
Operational expenses		446,922		481,012		543,006
Depreciation and amortization		46,284		46,947		56,111
	$	1,554,340	$	1,681,438	$	1,921,768

Selling, general and administrative expenses (Tables)

12 Months Ended

Dec. 31, 2018

Selling General And Administrative Expenses [Abstract]

Schedule of Selling, General and Administrative Expenses

Selling, general and administrative expenses consist of the following:

	Year ended December 31,
	2016		2017		2018
Personnel expenses	$	469,894	$	501,059	$	518,897
Operational expenses		174,060		178,573		166,437
Depreciation and amortization		9,013		9,829		8,531
	$	652,967	$	689,461	$	693,865

Other operating (income) expense, net (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Other Operating (Income) Expense, Net

	Year ended December 31,
	2016			2017			2018
Other operating (income) expense	$	(1,266	)	$	(7,277	)	$	(455	)
Provision for impairment of intangible assets and property, plant and equipment		11,195			9,311			4,265
Change in fair value of earn-out consideration and deferred consideration (relating to business acquisitions)		(14,869	)		(3,695	)		(5,655	)
Other operating (income) expense, net	$	(4,940	)	$	(1,661	)	$	(1,845	)

Interest income (expense), net (Tables)

12 Months Ended

Dec. 31, 2018

Banking And Thrift Interest [Abstract]

Schedule of Interest Income (Expense), Net

Interest income (expense), net consists of the following:

	Year ended December 31,
	2016			2017			2018
Interest income	$	7,247		$	8,182		$	11,388
Interest expense		(23,431	)		(39,917	)		(48,507	)
Interest income (expense), net	$	(16,184	)	$	(31,735	)	$	(37,119	)

Income taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Expense (Benefit)

Income tax expense (benefit) for the years ended December 31, 2016, 2017 and 2018 is allocated as follows:

	Year ended December 31,
	2016			2017		2018

Income from continuing operations	$	62,098		$	59,742	$	80,763
Other comprehensive income:
Unrealized gains (losses) on cash flow hedges		23,809			457		(6,647	)
Retirement benefits		(1,885	)		670		(1,407	)
Retained earnings:
Deferred tax benefit recognized on early adoption of ASU 2016-09		(24,912	)		—		—
Reclassification from AOCI on early adoption of ASU 2018-02		—			—		2,265
Deferred tax expense recognized on adoption of ASU 2014-09		—			—		5,303
Accumulated other comprehensive income:
Reclassification to retained earnings on early adoption of ASU 2018-02		—			—		(2,265	)

Components of Income before Income Tax Expense from Continuing Operations

The components of income before income tax expense from continuing operations are as follows:

	Year ended December 31,
	2016		2017		2018
Domestic (U.S.)	$	44,110	$	8,440	$	49,986
Foreign (Non-U.S.)		285,535		312,143		312,035
Income before income tax expense	$	329,645	$	320,583	$	362,021

Income Tax Expense (Benefit) Attributable to Income from Continuing Operations

Income tax expense (benefit) attributable to income from continuing operations consists of:

	Year ended December 31,
	2016			2017			2018
Current tax expense :
Domestic (U.S. federal)	$	78		$	3,380		$	6,466
Domestic (U.S. state)		1,069			1,268			3,508
Foreign (Non-U.S.)		30,497			65,485			64,735
	$	31,644		$	70,133		$	74,709
Deferred tax expense (benefit) :
Domestic (U.S. federal)	$	11,379		$	3,549		$	6,577
Domestic (U.S. state)		(459	)		(2,809	)		(1,176	)
Foreign (Non-U.S.)		19,534			(11,131	)		653
	$	30,454		$	(10,391	)	$	6,054
Total income tax expense (benefit)	$	62,098		$	59,742		$	80,763

Income Tax Expense (Benefit) Computed by Applying United States Federal Statutory Income Tax Rate to Income Before Income Taxes

	Year ended December 31,
	2016			2017			2018
Income before income tax expense	$	329,645		$	320,583		$	362,021
Statutory tax rates		35	%		35	%		21	%
Computed expected income tax expense		115,376			112,204			76,024
Increase (decrease) in income taxes resulting from:
Foreign tax rate differential		(18,574	)		(25,224	)		23,373
Tax benefit from tax holiday		(32,893	)		(35,814	)		(24,968	)
Non-deductible expenses		4,559			3,985			3,245
Effect of change in tax rates		353			2,778			(147	)
Change in valuation allowance		(4,830	)		9,041			27,826
Unrecognized tax benefits		(627	)		1,611			3,008
Other*		(1,266	)		(8,839	)		(27,598	)
Reported income tax expense (benefit)	$	62,098		$	59,742		$	80,763
*Following the transfer/closure of certain affiliated entities, deferred tax liabilities recorded against the outside basis difference were reversed amounting to $0, $9,600, $18,510 during the year ended December 31, 2016, 2017 and 2018. It was not more likely than not that the resulting net deferred tax asset would be realized. Therefore, a full valuation allowance was established to offset the reduction in deferred tax liabilities.

Components of Deferred Tax Balances

The components of the Company’s deferred tax balances as of December 31, 2017 and 2018 are as follows:

	As of December 31,
	2017			2018
Deferred tax assets
Net operating loss carryforwards	$	55,500		$	64,013
Accrued liabilities and other expenses		41,177			36,812
Provision for doubtful debts		10,509			9,650
Property, plant & equipment and leased assets		6,179			7,904
Unrealized losses on cash flow hedges, net		275			672
Share-based compensation		19,789			18,236
Retirement benefits		5,817			7,559
Contract liabilities		22,948			3,150
Tax credit carryforwards		35,322			22,409
Other		6,662			8,885
Gross deferred tax assets	$	204,178		$	179,290
Less: Valuation allowance		(24,549	)		(51,986	)
Total deferred tax assets	$	179,629		$	127,304
Deferred tax liabilities
Intangible assets	$	23,545		$	17,975
Property, plant and equipment		1,131			5,493
Deferred cost		33,816			2,725
Investments in foreign subsidiaries not indefinitely reinvested		18,949			4,835
Unrealized gains on cash flow hedges, net		14,711			8,990
Goodwill		7,145			12,957
Other		10,150			7,843
Total deferred tax liabilities	$	109,447		$	60,818
Net deferred tax asset	$	70,182		$	66,486

	As of December 31,
Classified as	2017		2018
Deferred tax assets
Non-current	$	76,929	$	74,566
Deferred tax liabilities
Non-current		6,747		8,080
	$	70,182	$	66,486

Change in Total Valuation Allowance for Deferred Tax Assets

The change in the total valuation allowance for deferred tax assets as of December 31, 2016, 2017 and 2018 is as follows:

	Year ended December 31,
	2016			2017			2018
Opening valuation allowance	$	20,091		$	14,746		$	24,549
Reduction during the year		(7,299	)		(3,957	)		(2,307	)
Addition during the year		1,954			13,760			29,744
Closing valuation allowance	$	14,746		$	24,549		$	51,986

Remaining Tax Loss Carry Forwards Expiration

The Company’s remaining tax loss carryforwards expire as set forth in the table below:

	US – Federal		Europe		Others
Year ending December 31,
2020	$	—		2952	$	—
2021		—		1,121		2,347
2022		—		5,904		105
2023		—		6,639		1,426
2024		—		771		7,748
2025		—		27,147		8,520
2026		—		234		1,396
2027		—		856		5,071
2028		—		34		2,716
2029		—	—			672
2034		—		18,820		—
2035		340		8,838	—
2036		477		—		—
2037	7252			—		—
2038		—		—		640
	$	8,069	$	73,316	$	30,641

Foreign Tax Credit Expiry Period

As of December 31, 2018, the company had a total foreign tax credit carryforward of $22,409, which will expire as set forth in the table below:

Year ending December 31,	Amount
2023		355
2024		2,819
2025		8,395
2026		5,728
2027		1,250
2028		3,862
	$	22,409

25. Income taxes (Continued)

The following table summarizes activities related to our unrecognized tax benefits from January 1 to December 31 for each of 2016, 2017 and 2018:

	2016			2017			2018
Opening balance at January 1	$	26,357		$	23,467		$	26,060
Increase related to prior year tax positions, including recorded in acquisition accounting		370			2,582			1,851
Decrease related to prior year tax positions		(1,506	)		(1,398	)		(153	)
Decrease related to divesture of business		(345	)		—			—
Decrease related to prior year tax position due to lapse of applicable statute of limitation		(2,122	)		(1,019	)		(1,841	)
Increase related to current year tax positions, including recorded in acquisition accounting		3,225			1,661			2,408
Decrease related to settlements with tax authorities		(2,000	)		—			—
Effect of exchange rate changes		(512	)		767			(1,603	)
Closing balance at December 31	$	23,467		$	26,060		$	26,722

Segment reporting (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Net Revenues Disaggregated by Customer

26. Segment reporting (Continued)

Net revenues by customer type are as follows:

	Year ended December 31,
	2016		2017		2018
GE	$	357,894	$	269,217	$	268,210
Global Clients		2,212,862		2,467,712		2,732,580
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Net Revenues for Service Type

Net revenues by service type are as follows:

	Year ended December 31,
	2016		2017		2018
Business process outsourcing	$	2,083,450	$	2,264,335	$	2,502,806
Information technology services		487,306		472,594		497,984
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Revenues from Clients Based on Industry Serviced

Revenues from clients based on the industry serviced are as follows:

	Year ended December 31,
	2016		2017		2018
Banking, financial services and insurance	$	1,021,609	$	1,090,134	$	1,099,189
Consumer goods, retail, life sciences and healthcare		769,432		832,088		891,640
High tech, manufacturing and services		779,715		814,707		1,009,961
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Net Revenues from Geographic Areas Based on Location of Service Delivery Centers

	Year ended December 31,
	2016		2017		2018
India	$	1,804,113	$	1,712,783	$	1,739,455
Asia, other than India		249,839		286,338		327,462
North and Latin America		282,434		455,059		641,716
Europe		234,370		282,749		292,157
Total net revenues	$	2,570,756	$	2,736,929	$	3,000,790

Property, Plant and Equipment, Net by Geographic Areas

Property, plant and equipment, net by geographic region are as follows:

	As of December 31,
	2017		2018
India	$	125,490	$	130,824
Asia, other than India		15,899		14,866
Americas		38,438		46,763
Europe		27,203		20,262
Total	$	207,030	$	212,715

Contract balances (Tables)

12 Months Ended

Dec. 31, 2018

Details of Company's Contract Liabilities

The following table provides details of the Company’s contract liabilities:

	As of December 31, 2018
Particulars	Advance from customers			Deferred transition revenue
Opening balance	$	26,266		$	101,785
Impact of opening balance offset		—		$	21,348
Gross opening balance	$	26,266		$	123,133
Additions		33,328			67,838
Effect of business combinations		273			75
Revenue recognized		(32,091	)		(68,697	)
Currency translation adjustments		(1,063	)		(1,097	)
Gross closing balance	$	26,713		$	121,252
Impact of closing balance offset with contract asset		(3,821	)		(25,604	)
Closing balance (Note a)	$	22,892		$	95,648

(a) Included in "accrued expenses and other current liabilities" and "other liabilities" in the consolidated balance sheet.

Estimated Revenue Expected to Recognized in Future Related to Remaining Performance Obligation

The following table includes estimated revenue expected to be recognized in the future related to remaining performance obligations as of December 31, 2018:

Particulars	Total				Less than 1 year				1-3 years				3-5 years				After 5 years
Transaction price allocated to remaining performance obligations	$	95,670				41,830				40,128				12,619				1,093

Details of Company's Contract Assets

The following table provides details of the Company’s contract assets:

Particulars	As of December 31,2018
Opening balance	$	43,366
Impact of opening balance offset		21,348
Gross opening balance	$	64,714
Additions		48,216
Reduction in revenue recognized		(38,470	)
Gross closing balance	$	74,460
Impact of closing balance offset with contract liability		(29,425	)
Closing balance (Note b)	$	45,035

(b) Included in "prepaid expenses and other current assets" and "other assets" in the consolidated balance sheet.

Summary of Contract Cost Assets

The following table provides details of the company’s contract cost assets:

	As of December 31, 2018
Particulars	Sales incentive programs		Transition activities
Opening balance	$	23,227	$	139,284
Closing balance		25,891		134,302
Amortization		14,788		70,775

Other Income (expense), net (Tables)

12 Months Ended

Dec. 31, 2018

Other Nonoperating Income Expense [Abstract]

Schedule of Other Income (Expense), Net

	Year ended December 31,
	2016		2017				2018
Government incentives	$	-		$	26,882		$	36,099
Other income/(expense)		9,691			(3,296	)		(338	)
Other Income (expense), net	$	9,691		$	23,586		$	35,761

Quarterly financial data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data

	Three months ended								Year ended
	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018		December 31, 2018
Total net revenues	$	688,912	$	728,561	$	747,978	$	835,339	$	3,000,790
Gross profit	$	244,588	$	265,663	$	266,566	$	302,205	$	1,079,022
Income from operations	$	63,761	$	79,522	$	94,028	$	110,841	$	348,152
Income before equity-method investment activity, net and income tax expense	$	76,009	$	81,668	$	97,724	$	106,632	$	362,033
Net income	$	63,934	$	64,574	$	73,603	$	79,147	$	281,258
Net (income) loss attributable to redeemable non-controlling interest	$	761	$	-	$	-	$	-	$	761
Net income attributable to Genpact Limited common shareholders	$	64,695	$	64,574	$	73,603	$	79,147	$	282,019
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	0.34	$	0.34	$	0.39	$	0.42	$	1.48
Diluted	$	0.33	$	0.33	$	0.38	$	0.41	$	1.45
Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders
Basic		192,816,626		190,132,664		190,024,924		189,724,744		190,674,740
Diluted		196,288,569		193,365,974		193,115,769		193,149,836		193,980,038

31. Quarterly financial data (unaudited) (Continued)

	Three months ended									Year ended
	March 31, 2017		June 30, 2017			September 30, 2017		December 31, 2017		December 31, 2017
Total net revenues	$	622,995	$	670,697		$	708,824	$	734,413	$	2,736,929
Gross profit	$	239,658	$	256,189		$	280,034	$	279,610	$	1,055,491
Income from operations	$	79,096	$	80,959		$	97,919	$	73,305	$	331,279
Income before equity-method investment activity, net and income tax expense	$	69,243	$	84,582		$	89,742	$	81,559	$	325,126
Net income	$	52,440	$	69,102		$	73,161	$	66,138	$	260,841
Net (income) loss attributable to redeemable non-controlling interest	$	898	$	(156	)	$	584	$	944	$	2,270
Net income attributable to Genpact Limited common shareholders	$	53,338	$	68,946		$	73,745	$	67,082	$	263,111
Earnings per common share attributable to Genpact Limited common shareholders
Basic	$	0.27	$	0.36		$	0.38	$	0.35	$	1.36
Diluted	$	0.26	$	0.36		$	0.38	$	0.34	$	1.34
Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders
Basic		199,069,528		191,469,593			192,124,366		192,795,534		193,864,755
Diluted		202,655,937		193,732,406			194,947,699		196,862,168		197,049,552

Guarantor financial information (Tables)

12 Months Ended

Dec. 31, 2018

Guarantor Financial Information [Abstract]

Condensed Consolidating Balance Sheet

Condensed Consolidating Balance Sheet

	As of December 31, 2018
	Issuer/ Subsidiary		Parent/ Guarantor		Non- Guarantor Subsidiaries		Eliminations			Consolidated
Assets
Current assets
Cash and cash equivalents	$	12,797	$	2,505	$	353,094	$	—		$	368,396
Accounts receivable intercompany, net		89,958		—		—		(89,958	)		—
Accounts receivable, net		—		—		774,184		—			774,184
Intercompany loans		447,578		1,300		1,835,608		(2,284,486	)		—
Intercompany other receivable		33,224		52,783		117,537		(203,544	)		—
Prepaid expenses and other current assets		2,242		1,278		208,957		—			212,477
Total current assets	$	585,799	$	57,866	$	3,289,380	$	(2,577,988	)	$	1,355,057
Property, plant and equipment, Net		388		—		212,327		—			212,715
Intercompany loans		100,000		—		500,000		(600,000	)		—
Deferred tax assets		—		—		74,566		—			74,566
Investment in subsidiaries		548,654		3,073,467		557,089		(4,179,210	)		—
Investment in equity affiliates		—		—		836		—			836
Investment in debentures/bonds, intercompany		571,919		50,393		—		(622,312	)		—
Intercompany other receivable		—		83,169		—		(83,169	)		—
Intangible assets, net		—		—		177,087		—			177,087
Goodwill		—		—		1,393,832		—			1,393,832
Contract cost assets		—		—		160,193		—			160,193
Other assets		682		—		154,477		—			155,159
Total assets	$	1,807,442	$	3,264,895	$	6,519,787	$	(8,062,679	)	$	3,529,445

Liabilities and equity
Current liabilities
Short-term borrowings	$	100,000	$	—	$	195,000	$	—		$	295,000
Intercompany loans		128,572		1,849,537		306,377		(2,284,486	)		—
Current portion of long-term debt		4,961		—		28,522		—			33,483
Accounts payable		1,636		520		40,428		—			42,584
Intercompany accounts payable		—		—		89,958		(89,958	)		—
Income taxes payable		—		—		33,895		—			33,895
Intercompany other payable		47,844		70,973		84,727		(203,544	)		—
Accrued expenses and other current liabilities		5,248		5,157		560,945		—			571,350
Total current liabilities	$	288,261	$	1,926,187	$	1,339,852	$	(2,577,988	)	$	976,312
Long-term debt, less current portion		440,665		—		534,980		—			975,645
Deferred tax liabilities		—		—		8,080		—			8,080
Intercompany other payable		—		—		83,169		(83,169	)		—
Non-current intercompany loans payable		500,000		—		722,312		(1,222,312	)		—
Other liabilities		197		154		164,875		—			165,226
Total liabilities	$	1,229,123	$	1,926,341	$	2,853,268	$	(3,883,469	)	$	2,125,263

Redeemable non-controlling interest		—		—		—		—			—
Shareholders' equity		578,319		1,338,554		3,666,519		(4,179,210	)		1,404,182
Commitments and contingencies		—		—		—		—			—
Total liabilities, redeemable non-controlling interest and equity	$	1,807,442	$	3,264,895	$	6,519,787	$	(8,062,679	)	$	3,529,445

Condensed Consolidating Balance Sheet

	As of December 31, 2017
	Issuer/ Subsidiary		Parent/ Guarantor		Non- Guarantor Subsidiaries		Eliminations			Consolidated
Assets
Current assets
Cash and cash equivalents	$	4,507	$	2,136	$	497,825	$	—		$	504,468
Accounts receivable intercompany, net		82,935		—		—		(82,935	)		—
Accounts receivable, net		—		—		693,085		—			693,085
Intercompany loans		194,854		—		1,620,537		(1,815,391	)		—
Intercompany other receivable		25,343		82,631		89,189		(197,163	)		—
Prepaid expenses and other current assets		311		1,276		234,755		—			236,342
Total current assets	$	307,950	$	86,043	$	3,135,391	$	(2,095,489	)	$	1,433,895
Property, plant and equipment, net		391		—		206,639		—			207,030
Intercompany loans		—		—		500,000		(500,000	)		—
Deferred tax assets		—		—		76,929		—			76,929
Investment in subsidiaries		426,410		2,864,386		529,179		(3,819,975	)		—
Investment in equity affiliates		—		—		886		—			886
Investment in debentures, intercompany		717,909		—		—		(717,909	)		—
Intercompany other receivable		—		49,761		—		(49,761	)		—
Intangible assets, net		—		—		131,590		—			131,590
Goodwill		—		—		1,337,122		—			1,337,122
Other assets		—		—		262,169		—			262,169
Total assets	$	1,452,660	$	3,000,190	$	6,179,905	$	(7,183,134	)	$	3,449,621

Liabilities and equity
Current liabilities
Short-term borrowings	$	—	$	—	$	170,000	$	—		$	170,000
Intercompany loans		38,000		1,597,537		179,854		(1,815,391	)		—
Current portion of long-term debt		—		—		39,226		—			39,226
Accounts payable		103		58		14,889		—			15,050
Intercompany accounts payable		—		—		82,935		(82,935	)		—
Income taxes payable		885		—		29,141		—			30,026
Intercompany other payable		29,526		59,266		108,371		(197,163	)		—
Accrued expenses and other current liabilities		5,995		2,390		576,097		—			584,482
Total current liabilities	$	74,509	$	1,659,251	$	1,200,513	$	(2,095,489	)	$	838,784
Long-term debt, less current portion		347,761		—		658,926		—			1,006,687
Deferred tax liabilities		—		—		6,747		—			6,747
Intercompany other payable		—		—		49,761		(49,761	)		—
Non-current intercompany loans payable		500,000		—		717,909		(1,217,909	)		—
Other liabilities		1,211		153		167,245		—			168,609
Total liabilities	$	923,481	$	1,659,404	$	2,801,101	$	(3,363,159	)	$	2,020,827

Redeemable non-controlling interest		—		—	4750			—		4750
Shareholders' equity		529,179		1,340,786		3,374,054		(3,819,975	)		1,424,044
Commitments and contingencies
Total liabilities, redeemable non-controlling interest and equity	$	1,452,660	$	3,000,190	$	6,179,905	$	(7,183,134	)	$	3,449,621

Condensed Consolidating Statement of Income (Loss)

Condensed Consolidating Statement of Income (Loss)

	year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	50,356		$	—		$	3,000,790		$	(50,356	)	$	3,000,790
Cost of revenue		—			5,188			1,916,580			—			1,921,768
Gross profit	$	50,356		$	(5,188	)	$	1,084,210		$	(50,356	)	$	1,079,022

Operating expenses:
Selling, general and administrative expenses		11,324			23,703			709,260			(50,422	)		693,865
Amortization of acquired intangible assets		48			—			38,802			—			38,850
Other operating (income) expense, net		(17,599	)		—			15,754			—			(1,845	)
Income (loss) from operations	$	56,583		$	(28,891	)	$	320,394		$	66		$	348,152
Foreign exchange gains (losses), net		449			845			13,945			—			15,239
Interest income (expense), net		(16,504	)		—			(20,615	)		—			(37,119	)
Intercompany interest income (expense), net		77,857			(19,279	)		(58,578	)		—			—
Other income (expense), net		—			—			35,761			—			35,761
Income (loss) before equity-method investment activity, net and income tax expense	$	118,385		$	(47,325	)	$	290,907		$	66		$	362,033
Gain (loss) on equity-method investment activity, net		62,501			346,960			123,291			(532,764	)		(12	)
Income before income tax expense	$	180,886		$	299,635		$	414,198		$	(532,698	)	$	362,021
Income tax expense		6,124			—			74,639			—			80,763
Net income	$	174,762		$	299,635		$	339,559		$	(532,698	)	$	281,258
Net loss attributable to redeemable non-controlling interest					—			761			—			761
Net income attributable to Genpact Limited shareholders	$	174,762		$	299,635		$	340,320		$	(532,698	)	$	282,019

Condensed Consolidating Statement of Income (Loss)

	Year ended December 31, 2017
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	46,722		$	—		$	2,736,929		$	(46,722	)	$	2,736,929
Cost of revenue		—			—			1,681,438			—			1,681,438
Gross profit	$	46,722		$	—		$	1,055,491		$	(46,722	)	$	1,055,491

Operating expenses:
Selling, general and administrative expenses		9,859			21,076			728,145			(69,619	)		689,461
Amortization of acquired intangible assets		—			—			36,412			—			36,412
Other operating (income) expense, net		(3,412	)		—			1,751			—			(1,661	)
Income (loss) from operations	$	40,275		$	(21,076	)	$	289,183		$	22,897		$	331,279
Foreign exchange gains (losses), net		3,312			2			(1,318	)		—			1,996
Interest income (expense), net		(11,375	)		—			(20,360	)		—			(31,735	)
Intercompany interest income (expense), net		47,547			(10,148	)		(37,399	)		—			—
Other income (expense), net		18,391			—			5,195			—			23,586
Income (loss) before equity-method investment activity, net and income tax expense	$	98,150		$	(31,222	)	$	235,301		$	22,897		$	325,126
Gain (loss) on equity-method investment activity, net		(15,058	)		294,333			75,657			(359,475	)		(4,543	)
Income before income tax expense	$	83,092		$	263,111		$	310,958		$	(336,578	)	$	320,583
Income tax expense		7,435			—			52,307			—			59,742
Net income	$	75,657		$	263,111		$	258,651		$	(336,578	)	$	260,841
Net loss attributable to redeemable non-controlling interest		—			—			2,270			—			2,270
Net income attributable to Genpact Limited shareholders	$	75,657		$	263,111		$	260,921		$	(336,578	)	$	263,111

Condensed Consolidating Statement of Income (Loss)

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
Net revenues	$	39,518		$	—		$	2,570,756		$	(39,518	)	$	2,570,756
Cost of revenue		—			—			1,554,340			—			1,554,340
Gross profit	$	39,518		$	—		$	1,016,416		$	(39,518	)	$	1,016,416

Operating expenses:
Selling, general and administrative expenses		9,499			12,772			672,680			(41,984	)		652,967
Amortization of acquired intangible assets		—			—			27,183			—			27,183
Other operating (income) expense, net		(4,043	)		(500	)		(397	)		—			(4,940	)
Income (loss) from operations	$	34,062		$	(12,272	)	$	316,950		$	2,466		$	341,206
Foreign exchange gains (losses), net		(1,633	)		57			4,206			—			2,630
Interest income (expense), net		(1,358	)		—			(14,826	)		—			(16,184	)
Intercompany interest income (expense), net		81,359			-			(81,359	)		—			—
Other income (expense), net		(829	)		(3,390	)		13,910			—			9,691
Income (loss) before equity-method investment activity, net and income tax expense	$	111,601		$	(15,605	)	$	238,881		$	2,466		$	337,343
Gain (loss) on equity-method investment activity, net		29,969			285,289			133,186			(456,142	)		(7,698	)
Income before income tax expense	$	141,570		$	269,684		$	372,067		$	(453,676	)	$	329,645
Income tax expense		8,384			—			53,714			—			62,098
Net income	$	133,186		$	269,684		$	318,353		$	(453,676	)	$	267,547
Net loss attributable to redeemable non-controlling interest		—			—			2,137			—			2,137
Net income attributable to Genpact Limited shareholders	$	133,186		$	269,684		$	320,490		$	(453,676	)	$	269,684

Condensed Consolidating Statement of Comprehensive Income (Loss)

Condensed Consolidating Statement of Comprehensive Income (Loss)
	Year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	174,762		$	299,635		$	340,320		$	(532,698	)	$	282,019		$	(761	)
Other comprehensive income:
Currency translation adjustments		(72,071	)		(109,656	)		(109,656	)		181,727			(109,656	)		(424	)
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		498			(46,293	)		(46,293	)		45,795			(46,293	)		—
Retirement benefits, net of taxes		(190	)		1,454			1,454			(1,264	)		1,454			—
Other comprehensive income (loss)		(71,763	)		(154,495	)		(154,495	)		226,258			(154,495	)		(424	)
Comprehensive income (loss)	$	102,999		$	145,140		$	185,825		$	(306,440	)	$	127,524		$	(1,185	)

	Year ended December 31, 2017
	Issuer/ Subsidiary		Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	75,657	$	263,111		$	260,921		$	(336,578	)	$	263,111		$	(2,270	)
Other comprehensive income:
Currency translation adjustments		74,716		93,871			93,871			(168,587	)		93,871			(341	)
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		9,788		12,611			12,611			(22,399	)		12,611		-
Retirement benefits, net of taxes		475		(3,787	)		(3,787	)		3,312			(3,787	)	-
Other comprehensive income (loss)		84,979		102,695			102,695			(187,674	)		102,695			(341	)
Comprehensive income (loss)	$	160,636	$	365,806		$	363,616		$	(524,252	)	$	365,806		$	(2,611	)

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non-Guarantor Subsidiaries			Eliminations			Genpact Limited Shareholders			Redeemable Non-controlling interest
Net income (loss)	$	133,186		$	269,684		$	320,490		$	(453,676	)	$	269,684		$	(2,137	)
Other comprehensive income:
Currency translation adjustments		(31,679	)		(46,340	)		(46,340	)		78,019			(46,340	)		104
Net income (loss) on cash flow hedging derivatives, net of taxes (Note 7)		42,016			43,742			43,742			(85,758	)		43,742		-
Retirement benefits, net of taxes		(717	)		(4,042	)		(4,042	)		4,759			(4,042	)	-
Other comprehensive income (loss)		9,620			(6,640	)		(6,640	)		(2,980	)		(6,640	)		104
Comprehensive income (loss)	$	142,806		$	263,044		$	313,850		$	(456,656	)	$	263,044		$	(2,033	)

Condensed Consolidating Cash Flow

Condensed Consolidating Cash Flow

	Year ended December 31, 2018
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(266,889	)	$	11,905		$	25,399		$	569,096		$	339,511
Investing activities
Purchase of property, plant and equipment		—			—			(84,978	)		—			(84,978	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(75,439	)		—			(75,439	)
Proceeds from sale of property, plant and equipment		—			—			668			—			668
Investment in equity affiliates		—			—			-			—			-
Investment in subsidiaries		(97,730	)		—			-			97,730			-
Dividend received		-			—			-			-			-
Proceeds from redemption of debentures/(payments) for issuance of bonds, intercompany		91,760			(50,393	)		-			(41,368	)		-
Payment for business acquisitions, net of cash acquired		—			—			(111,571	)		—			(111,571	)
Payment for purchase of redeemable non-controlling interest		—			—			(4,730	)		—			(4,730	)
Net cash (used for)/provided by investing activities	$	(5,970	)	$	(50,393	)		(276,050	)	$	56,362		$	(276,050	)
Financing activities
Repayment of capital lease obligations		—			—			(2,395	)		—			(2,395	)
Payment of debt issuance costs		—			—			(4,293	)		—			(4,293	)
Proceeds from long-term debt		100,000			—			29,186			—			129,186
Repayment of long-term debt		(2,450	)		—			(163,736	)		—			(166,186	)
Proceeds from short-term borrowings		100,000			—			150,000			—			250,000
Repayment of Short-term borrowings		—			—			(125,000	)		—			(125,000	)
Proceeds from intercompany loans		172,047			308,500			334,320			(814,867	)		—
Repayment of intercompany loans		(81,479	)		(56,500	)		(107,792	)		245,771			—
Proceeds from issuance of common shares under stock-based compensation plans		—			14,034			—			—			14,034
Proceeds from issuance of common shares		—			—			113,954			(113,954	)		—
Payment for net settlement of stock-based awards		—			(15,919	)		—			—			(15,919	)
Payment of earn-out/deferred consideration		(1,797	)		—			(1,559	)		—			(3,356	)
Dividend paid		—			(57,102	)		(16,224	)		16,224			(57,102	)
Payment for stock repurchased and retired		—			(154,058	)		—			—			(154,058	)
Payment for expenses related to stock repurchase		—			(98	)		—			—			(98	)
Payment for redemption of debentures/(proceeds) from issuance of bonds, intercompany		—			—			(41,366	)		41,366			—
Net cash (used for)/provided by financing activities	$	286,321		$	38,857		$	165,095		$	(625,460	)	$	(135,187	)
Effect of exchange rate changes		(5,172	)		—			(59,174	)		—			(64,346	)
Net increase (decrease) in cash and cash equivalents		13,462			369			(85,557	)		—			(71,726	)
Cash and cash equivalents at the beginning of the period		4,507			2,136			497,825			—			504,468
Cash and cash equivalents at the end of the period	$	12,797		$	2,505		$	353,094		$	—		$	368,396

Condensed Consolidating Cash Flow

	Year ended December 31, 2017
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(315,877	)	$	(8,345	)	$	511,847		$	171,453		$	359,078
Investing activities
Purchase of property, plant and equipment		—			—			(57,231	)		—			(57,231	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(16,441	)		—			(16,441	)
Proceeds from sale of property, plant and equipment		—			—			1,738			—			1,738
Investment in equity affiliates		(523	)		—			27			—			(496	)
Investment in subsidiaries		(3,638	)		—			51,127			(47,489	)		—
Payment for business acquisitions, net of cash acquired		—			—			(284,822	)		—			(284,822	)
Proceeds from divestiture of business, net of cash divested		—			—			(4,738	)		—			(4,738	)
Net cash (used for)/provided by investing activities	$	(4,161	)	$	—		$	(310,340	)	$	(47,489	)	$	(361,990	)
Financing activities
Repayment of capital lease obligations		—			—			(2,708	)		—			(2,708	)
Payment of debt issuance costs		(2,630	)		—			—			—			(2,630	)
Proceeds from long-term debt		350,000			—			—			—			350,000
Repayment of long-term debt		—			—			(40,000	)		—			(40,000	)
Proceeds from short-term borrowings		—			—			295,000			—			295,000
Repayment of short-term borrowings		—			—			(285,000	)		—			(285,000	)
Proceeds from intercompany loans		—			263,886			—			(263,886	)		—
Repayment of intercompany loans		(35,000	)		—			(80,328	)		115,328			—
Proceeds from issuance of common shares under stock-based compensation plans		—			15,528			—			—			15,528
Payment for net settlement of stock-based awards		—			(10,296	)		—			—			(10,296	)
Payment of earn-out/deferred consideration		—			—			(6,219	)		—			(6,219	)
Dividend paid		—			(46,686	)		—			—			(46,686	)
Payment for stock repurchased and retired		—			(219,784	)		—			—			(219,784	)
Payment for expenses related to stock repurchase		—			(16	)		—			—			(16	)
Change in amounts due from/ due to consolidated affiliates		—			—			(24,594	)		24,594			—
Excess tax benefit on stock-based compensation		—			—			—			—			—
Net cash (used for)/provided by financing activities	$	312,370		$	2,632		$	(143,849	)	$	(123,964	)	$	47,189
Effect of exchange rate changes		960			—			36,608			—			37,568
Net increase (decrease) in cash and cash equivalents		(7,668	)		(5,713	)		57,658			—			44,277
Cash and cash equivalents at the beginning of the period		11,215			7,849			403,559			—			422,623
Cash and cash equivalents at the end of the period	$	4,507		$	2,136		$	497,825		$	—		$	504,468

Condensed Consolidating Cash Flow

	Year ended December 31, 2016
	Issuer/ Subsidiary			Parent/ Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated

Operating activities
Net cash (used for)/provided by operating activities	$	(42,212	)	$	25,592		$	(66,519	)	$	428,911		$	345,772
Investing activities
Purchase of property, plant and equipment		(625	)		—			(81,301	)		—			(81,926	)
Payment for acquired/internally generated intangible assets (including intangibles under development)		—			—			(6,846	)		—			(6,846	)
Proceeds from sale of property, plant and equipment		—			—			547			—			547
Investment in equity affiliates		(5,884	)		—			(3,736	)		—			(9,620	)
Investment in subsidiaries		(53,619	)		—			(8,101	)		61,720			—
Payment for business acquisitions, net of cash acquired		—			—			(45,162	)		—			(45,162	)
Proceeds from divestiture of business, net of cash divested		—			—			17,242			—			17,242
Net cash (used for)/provided by investing activities	$	(60,128	)	$	—		$	(127,357	)	$	61,720		$	(125,765	)
Financing activities
Repayment of capital lease obligations		—			—			(1,793	)		—			(1,793	)
Repayment of long-term debt		—			—			(40,000	)		—			(40,000	)
Proceeds from short-term borrowings		—			—			200,000			—			200,000
Repayment of short-term borrowings		—			—			(61,500	)		—			(61,500	)
Proceeds from intercompany loans		73,000			303,000			50,445			(426,445	)		—
Repayment of intercompany loans		—			—			—			—			—
Proceeds from issuance of common shares under stock-based compensation plans		—			18,228			—			—			18,228
Proceeds from issuance of common shares		40,000			—			—			(40,000	)		—
Payment for net settlement of stock-based awards		—			(769	)		—			—			(769	)
Payment of earn-out/deferred consideration		—			—			(1,485	)		—			(1,485	)
Payment for stock purchased and retired		—			(345,200	)		24,186			(24,186	)		(345,200	)
Payment for expenses related to stock purchase		—			(279	)		—			—			(279	)
Net cash (used for)/provided by financing activities	$	113,000		$	(25,020	)	$	169,853		$	(490,631	)	$	(232,798	)
Effect of exchange rate changes		(361	)		—			(15,132	)		—			(15,493	)
Net increase (decrease) in cash and cash equivalents		10,660			572			(24,023	)		—			(12,791	)
Cash and cash equivalents at the beginning of the period		916			7,277			442,714			—			450,907
Cash and cash equivalents at the end of the period	$	11,215		$	7,849		$	403,559		$	—		$	422,623

Organization - Additional Information (Detail)	Dec. 31, 2018 Employee Country
Accounting Policies [Abstract]
Number of employees around the globe, minimum \| Employee	87,000
Number of countries in which entity operates \| Country	25

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Jan. 01, 2018

Schedule Of Significant Accounting Policies [Line Items]

Cumulative effect of adoption resulted increase in retained earning

$ 438,453,000

^[1]

$ 355,982,000

Impact on deferred tax liabilities

^[1],[2]

160,193,000

8,080,000

$ 6,747,000

Gains (losses) on restructuring of debt

$ 0

General Electric Company | Credit Concentration Risk | Receivables

Schedule Of Significant Accounting Policies [Line Items]

Percentage of accounts receivables

11.00%

General Electric Company | Credit Concentration Risk | Revenue From Contract With Customer

Schedule Of Significant Accounting Policies [Line Items]

Percentage of accounts receivables

9.00%

10.00%

14.00%

Minimum

Schedule Of Significant Accounting Policies [Line Items]

Short term investment, maturity period

90 days

Minimum | ASU 2016-02

Schedule Of Significant Accounting Policies [Line Items]

Additional lease liabilities

$ 320,000,000

Additional right of use assets

$ 300,000,000

Maximum

Schedule Of Significant Accounting Policies [Line Items]

Short term investment, maturity period

1 year

Maximum | ASU 2016-02

Schedule Of Significant Accounting Policies [Line Items]

Additional lease liabilities

$ 340,000,000

Additional right of use assets

320,000,000

Adjustments | Topic 606

Schedule Of Significant Accounting Policies [Line Items]

Cumulative effect of adoption resulted increase in retained earning

(19,907,000)

^[1]

$ 17,924,000

Impact on deferred tax liabilities

$ (160,193,000)

^[1],[2]

23,227,000

5,303,000

Contract assets and contract liabilities netted off

$ 21,348,000

[1]

The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets.

[2]

As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Balance Sheet (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Jan. 01, 2018

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

$ 368,396

$ 504,468

$ 422,623

$ 450,907

774,184

693,085

212,477

^[1],[2]

236,342

1,355,057

1,433,895

212,715

207,030

74,566

^[3]

76,929

836

886

177,087

131,590

1,393,832

1,337,122

1,069,408

^[1],[3]

160,193

155,159

^[1],[2]

262,169

3,529,445

3,449,621

295,000

170,000

33,483

39,226

42,584

15,050

33,895

30,026

571,350

^[2]

584,482

976,312

838,784

975,645

1,006,687

8,080

6,747

165,226

^[2]

168,609

2,125,263

2,020,827

4,750

4,520

Preferred shares, $0.01 par value, 250,000,000 authorized, none issued

Common shares, $0.01 par value, 500,000,000 authorized,192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively

1,888

1,924

Additional paid-in capital

1,471,301

1,421,368

Accumulated other comprehensive income (loss)

438,453

^[3]

355,982

(507,460)

(355,230)

1,404,182

1,424,044

$ 1,286,648

$ 1,304,356

Total liabilities, redeemable non-controlling interest and equity

3,529,445

3,449,621

368,396

504,468

^[1],[2]

56,594

56,594

^[3]

5,984

(160,193)

^[1],[3]

$ 23,227

^[1],[2]

107,133

9,518

^[2]

10,289

10,289

5,303

^[2]

19,136

29,425

Preferred shares, $0.01 par value, 250,000,000 authorized, none issued

(19,907)

^[3]

$ 17,924

(19,907)

Total liabilities, redeemable non-controlling interest and equity

9,518

ASU 2014-09 | Balances without adoption of Topic 606

368,396

$ 504,468

774,184

^[1],[2]

269,071

1,411,651

212,715

^[3]

80,550

836

177,087

1,393,832

^[1],[2]

262,292

3,538,963

295,000

33,483

42,584

33,895

^[2]

581,639

986,601

975,645

8,080

^[2]

184,362

2,154,688

Preferred shares, $0.01 par value, 250,000,000 authorized, none issued

Common shares, $0.01 par value, 500,000,000 authorized,192,825,207 and 189,346,101 issued and outstanding as of December 31, 2017 and December 31, 2018, respectively

1,888

Additional paid-in capital

1,471,301

Accumulated other comprehensive income (loss)

^[3]

418,546

(507,460)

1,384,275

Total liabilities, redeemable non-controlling interest and equity

$ 3,538,963

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.
[3]	The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets.

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Balance Sheet (Parenthetical) (Detail) - USD ($)
$ / shares in Units, $ in Thousands

Dec. 31, 2018

Jan. 01, 2018

Dec. 31, 2017

Preferred shares, par value

$ 0.01

Preferred shares, authorized

250,000,000

Preferred shares, issued

Common shares, par value

$ 0.01

Common shares, authorized

500,000,000

Common shares, issued

189,346,101

192,825,207

Common shares, outstanding

189,346,101

192,825,207

^[1],[2]

$ 160,193

212,477

^[1],[3]

$ 236,342

Cumulative effect of adoption resulted increase in retained earning

155,159

^[1],[3]

262,169

438,453

^[2]

355,982

Impact on deferred tax assets

74,566

^[2]

76,929

571,350

^[3]

584,482

Process Transition Activities

165,226

^[3]

168,609

134,302

139,284

Sales Incentive Programs

ASU 2014-09 | Sales Incentive Programs

25,891

$ 23,227

Adjustments | ASU 2014-09

25,891

(160,193)

^[1],[2]

$ 23,227

^[1],[3]

56,594

Cumulative effect of adoption resulted increase in retained earning

^[1],[3]

107,133

(19,907)

^[2]

$ 17,924

Impact on deferred tax assets

^[2]

5,984

^[3]

10,289

Adjustments | ASU 2014-09 | Contract Assets

^[3]

19,136

(7,890)

Adjustments | ASU 2014-09 | Contract Liabilities

(21,535)

(10,289)

Adjustments | ASU 2014-09 | Process Transition Activities

(19,136)

134,302

(48,704)

Adjustments | ASU 2014-09 | Sales Incentive Programs

(85,598)

Cumulative effect of adoption resulted increase in retained earning

160,193

19,907

Impact on deferred tax assets

$ (5,984)

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets.
[3]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Statement of Income (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

^[1]

Dec. 31, 2016

^[1]

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

$ 2,570,756

1,921,768

1,681,438

1,554,340

302,205

266,566

265,663

244,588

279,610

280,034

256,189

239,658

1,079,022

1,055,491

1,016,416

693,865

^[2]

689,461

652,967

38,850

36,412

27,183

(1,845)

(1,661)

(4,940)

110,841

94,028

79,522

63,761

73,305

97,919

80,959

79,096

348,152

331,279

341,206

15,239

1,996

2,630

(37,119)

(31,735)

(16,184)

Income before equity-method investment activity, net and income tax expense

35,761

23,586

9,691

106,632

97,724

81,668

76,009

81,559

89,742

84,582

69,243

362,033

325,126

337,343

(12)

(4,543)

(7,698)

362,021

320,583

329,645

80,763

59,742

62,098

Net loss (income) attributable to non-controlling interest

79,147

73,603

64,574

63,934

66,138

73,161

69,102

52,440

281,258

260,841

267,547

761

944

584

(156)

898

761

2,270

2,137

Net income attributable to Genpact Limited shareholders

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

282,019

$ 263,111

$ 269,684

38,850

(12)

Net loss (income) attributable to non-controlling interest

^[3]

281,258

761

Net income attributable to Genpact Limited shareholders

^[3]

282,019

^[2]

2,664

Income before equity-method investment activity, net and income tax expense

(2,664)

(2,664)

(2,664)

(681)

Net income attributable to Genpact Limited shareholders

^[3]

(1,983)

^[3]

(1,983)

ASU 2014-09 | Balances without adoption of Topic 606

3,000,790

1,921,768

1,079,022

^[2]

696,529

38,850

(1,845)

345,488

15,239

(37,119)

Income before equity-method investment activity, net and income tax expense

35,761

359,369

(12)

359,357

80,082

Net loss (income) attributable to non-controlling interest

^[3]

279,275

761

Net income attributable to Genpact Limited shareholders

^[3]

$ 280,036

[1]	Cost of revenue, selling, general and administrative expenses, other income (expense) and income from operations for the year ended December 31, 2016 and 2017 have been restated due to the adoption of ASU No. 2017-07 with effect from January 1, 2018. The impact of such restatement is not material to the Company’s consolidated results of operations, cash flows, financial position and disclosures.
[2]	During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452 resulting in a net adjustment of $2,664 with a corresponding impact on income tax benefit of $681.
[3]	During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below.

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Statement of Income (Parenthetical) (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

^[1]

Dec. 31, 2016

^[1]

$ 80,763

$ 59,742

$ 62,098

ASU 2014-09 | Balances without adoption of Topic 606

14,788

17,452

80,082

2,664

$ (681)

[1]

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Statement of Cash Flow (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Net income attributable to Genpact Limited shareholders

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

$ 282,019

$ 263,111

^[1]

$ 269,684

^[1]

Redeemable non-controlling interest, Net income (loss)

(761)

(944)

(584)

156

(898)

(761)

(2,270)

^[1]

(2,137)

^[1]

Adjustments to reconcile net income to net cash provided by (used for) operating activities:

79,147

$ 73,603

$ 64,574

63,934

66,138

$ 73,161

$ 69,102

52,440

281,258

260,841

^[1]

267,547

^[1]

Amortization of debt issuance costs (including loss on extinguishment of debt)

64,868

58,503

54,553

3,975

1,884

1,531

Write-down of intangible assets and property, plant and equipment

38,850

36,412

^[1]

27,183

^[1]

4,265

9,311

11,195

Unrealized loss (gain) on revaluation of foreign currency asset/liability

1,857

9,819

7,282

3,352

(11,830)

1,717

4,543

^[1]

7,698

^[1]

48,998

35,685

25,113

6,054

(10,391)

30,454

1,317

(4,785)

(41)

Increase in prepaid expenses, other current assets, contract cost assets and other assets

(76,894)

(57,267)

(48,612)

(76,392)

(28,381)

(62,852)

Increase in accrued expenses, other current liabilities and other liabilities

26,401

(2,155)

(463)

5,993

46,581

27,977

5,597

4,640

704

339,511

359,078

345,772

Payment for internally generated intangible assets (including intangibles under development)

(84,978)

(57,231)

(81,926)

(75,439)

(16,441)

(6,846)

Proceeds from sale of property, plant and equipment

668

1,738

547

Payment for business acquisitions, net of cash acquired

(111,571)

(284,822)

(45,162)

Payment for redeemable non-controlling interest

(4,730)

(276,050)

(361,990)

(125,765)

Payment of debt issuance and refinancing costs

(2,395)

(2,708)

(1,793)

(4,293)

(2,630)

129,186

350,000

(166,186)

(40,000)

250,000

295,000

200,000

Proceeds from issuance of common shares under stock-based compensation plans

(125,000)

(285,000)

(61,500)

14,034

15,528

18,228

(15,919)

(10,296)

(769)

(3,356)

(6,219)

(1,485)

(57,102)

(46,686)

(154,058)

(219,784)

(345,200)

Net cash provided by/(used for) financing activities

(98)

(16)

(279)

(135,187)

47,189

(232,798)

Net increase (decrease) in cash and cash equivalents

(64,346)

37,568

(15,493)

(71,726)

44,277

(12,791)

Cash and cash equivalents at the beginning of the period

504,468

$ 422,623

504,468

422,623

450,907

368,396

504,468

368,396

504,468

$ 422,623

Net income attributable to Genpact Limited shareholders

^[2]

282,019

Redeemable non-controlling interest, Net income (loss)

(761)

Adjustments to reconcile net income to net cash provided by (used for) operating activities:

^[2]

281,258

Amortization of debt issuance costs (including loss on extinguishment of debt)

64,868

3,975

Write-down of intangible assets and property, plant and equipment

38,850

4,265

Unrealized loss (gain) on revaluation of foreign currency asset/liability

1,857

3,352

48,998

^[2]

6,054

1,317

Increase in prepaid expenses, other current assets, contract cost assets and other assets

(76,894)

^[2]

(76,392)

Increase in accrued expenses, other current liabilities and other liabilities

26,401

5,993

5,597

339,511

Payment for internally generated intangible assets (including intangibles under development)

(84,978)

(75,439)

Proceeds from sale of property, plant and equipment

668

Payment for business acquisitions, net of cash acquired

(111,571)

Payment for redeemable non-controlling interest

(4,730)

(276,050)

Payment of debt issuance and refinancing costs

(2,395)

(4,293)

129,186

(166,186)

250,000

Proceeds from issuance of common shares under stock-based compensation plans

(125,000)

14,034

(15,919)

(3,356)

(57,102)

(154,058)

Net cash provided by/(used for) financing activities

(98)

(135,187)

Net increase (decrease) in cash and cash equivalents

(64,346)

(71,726)

Cash and cash equivalents at the beginning of the period

504,468

368,396

504,468

368,396

504,468

Net income attributable to Genpact Limited shareholders

^[2]

(1,983)

Adjustments to reconcile net income to net cash provided by (used for) operating activities:

^[2]

(1,983)

^[2]

(681)

Increase in prepaid expenses, other current assets, contract cost assets and other assets

^[2]

(5,413)

Increase in accrued expenses, other current liabilities and other liabilities

8,077

ASU 2014-09 | Balances without adoption of Topic 606

Net income attributable to Genpact Limited shareholders

^[2]

280,036

Redeemable non-controlling interest, Net income (loss)

(761)

Adjustments to reconcile net income to net cash provided by (used for) operating activities:

^[2]

279,275

Amortization of debt issuance costs (including loss on extinguishment of debt)

64,868

3,975

Write-down of intangible assets and property, plant and equipment

38,850

4,265

Unrealized loss (gain) on revaluation of foreign currency asset/liability

1,857

3,352

48,998

^[2]

5,373

1,317

Increase in prepaid expenses, other current assets, contract cost assets and other assets

(76,894)

^[2]

(81,805)

Increase in accrued expenses, other current liabilities and other liabilities

26,401

14,070

5,597

339,511

Payment for internally generated intangible assets (including intangibles under development)

(84,978)

(75,439)

Proceeds from sale of property, plant and equipment

668

Payment for business acquisitions, net of cash acquired

(111,571)

Payment for redeemable non-controlling interest

(4,730)

(276,050)

Payment of debt issuance and refinancing costs

(2,395)

(4,293)

129,186

(166,186)

250,000

Proceeds from issuance of common shares under stock-based compensation plans

(125,000)

14,034

(15,919)

(3,356)

(57,102)

(154,058)

Net cash provided by/(used for) financing activities

(98)

(135,187)

Net increase (decrease) in cash and cash equivalents

(64,346)

(71,726)

Cash and cash equivalents at the beginning of the period

$ 504,468

504,468

$ 368,396

$ 504,468

$ 368,396

$ 504,468

[1]

[2]

During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below.

Summary of Significant Accounting Policies - Summary of Impact of Adoption of Topic 606 on Consolidated Statement of Cash Flow (Parenthetical) (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Jan. 01, 2018

$ 6,054

$ (10,391)

$ 30,454

14,788

Balances without adoption of Topic 606 | ASU 2014-09

^[1]

6,054

17,452

Adjustments | ASU 2014-09

^[1]

5,373

2,664

Contract assets and contract liabilities netted off

^[1]

$ (681)

$ 21,348

[1]

During the year ended December 31, 2018, the Company amortized $14,788 in contract costs related to obtaining a contract. Following the adoption of ASC 606, the Company capitalized such costs in an amount of $17,452, resulting in a net adjustment of $2,664 and a tax impact of $(681) which is further adjusted by note (g) below.

Summary of Significant Accounting Policies - Estimated Economic Useful Lives of Assets (Detail)	12 Months Ended
	Dec. 31, 2018
Buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	40 years
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	4 years
Computer Equipment and Servers
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	4 years
Plant, Machinery and Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	4 years
Computer software \| Minimum
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	4 years
Computer software \| Maximum
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	7 years
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	10 years
Property, plant and equipment, estimated useful lives description	Lesser of lease period or 10 Years
Vehicles \| Minimum
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	3 years
Vehicles \| Maximum
Property Plant And Equipment [Line Items]
Property, plant and equipment, estimated useful lives	4 years

Summary of Significant Accounting Policies - Estimated Useful Lives of Intangible Assets Acquired/Developed (Detail)	12 Months Ended
	Dec. 31, 2018
Customer-Related Intangible Assets \| Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	14 years
Customer-Related Intangible Assets \| Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	1 year
Marketing-Related Intangible Assets \| Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	10 years
Marketing-Related Intangible Assets \| Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	1 year
Technology-related intangible assets \| Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	8 years
Technology-related intangible assets \| Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	2 years
Other Intangible Assets \| Maximum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	5 years
Other Intangible Assets \| Minimum
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets estimated useful lives	3 years

Business Acquisitions and Divestiture - Barkawi Management Consultants GmbH and Co. KG and Certain Related Entities - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Aug. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 111,571	$ 284,822	$ 45,162
Goodwill		1,393,832	$ 1,337,122	$ 1,069,408
Barkawi
Business Acquisition [Line Items]
Date of acquisition	Aug. 30, 2018
Ownership percentage acquired	100.00%
Purchase consideration	$ 101,307
Payment for business acquisitions, net of cash acquired	95,625
Cash and cash equivalents	5,682
Cash consideration to acquired certain assets and assumed certain liabilities	$ 100,969
Consideration payable		$ 338
Maximum measurement period for tax position evaluation	1 year
Acquired intangible assets, weighted average amortization period	3 years
Goodwill	$ 81,250
Acquisition related cost	1,842
Acquired assets	17,314
Liabilities assumed	10,149
Recognized net deferred tax asset	892
Barkawi \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	10,200
Barkawi \| Marketing-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	$ 1,800

Business Acquisitions and Divestiture - Commonwealth Informatics Inc. - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jul. 03, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 111,571	$ 284,822	$ 45,162
Goodwill		1,393,832	$ 1,337,122	$ 1,069,408
Commonwealth
Business Acquisition [Line Items]
Date of acquisition	Jul. 03, 2018
Ownership percentage acquired	100.00%
Purchase consideration	$ 17,599
Payment for business acquisitions, net of cash acquired	16,123
Cash and cash equivalents	$ 1,477
Cash consideration to acquired certain assets and assumed certain liabilities		17,333
Consideration payable		$ 266
Maximum measurement period for tax position evaluation	1 year
Acquired intangible assets, weighted average amortization period	4 years
Goodwill	$ 11,248
Acquisition related cost	521
Acquired assets	2,583
Liabilities assumed	1,032
Commonwealth \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	2,200
Commonwealth \| Technology-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	$ 2,600

Business Acquisitions and Divestiture - Strategic Sourcing Excellence Limited - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended
	Mar. 01, 2018	Jan. 08, 2016	Mar. 31, 2018	Dec. 31, 2018	Jan. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill				$ 1,393,832		$ 1,337,122	$ 1,069,408
Strategic Sourcing Excellence LLC
Business Acquisition [Line Items]
Date of acquisition		Jan. 08, 2016
Ownership percentage acquired		51.00%
Preliminary estimated purchase consideration		$ 14,541
Cash consideration to acquired certain assets and assumed certain liabilities		2,550
Contingent earn-out consideration-High end		$ 20,000
Equity method investment ownership percentage		49.00%
Earn-out consideration to selling equity holders			$ 1,780
Acquisition related cost		$ 164
Acquired assets		412
Liabilities assumed		617
Goodwill		14,445
Strategic Sourcing Excellence LLC \| Customer Relationships
Business Acquisition [Line Items]
Intangible assets		$ 300
Acquired intangible assets, weighted average amortization period		5 years
Put Or Call Option \| Strategic Sourcing Excellence LLC
Business Acquisition [Line Items]
Contingent earn-out consideration-High end		$ 9,800
Call Option \| Strategic Sourcing Excellence LLC
Business Acquisition [Line Items]
Equity method investment ownership percentage					49.00%
Put Option \| Strategic Sourcing Excellence LLC
Business Acquisition [Line Items]
Equity method investment ownership percentage	49.00%
Selling equity holders put option exercise price	$ 2,950

Business Acquisitions and Divestiture - TandemSeven, Inc. - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Sep. 05, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 111,571	$ 284,822	$ 45,162
Goodwill		$ 1,393,832	$ 1,337,122	$ 1,069,408
TandemSeven, Inc.
Business Acquisition [Line Items]
Date of acquisition	Sep. 05, 2017
Ownership percentage acquired	100.00%
Purchase consideration	$ 35,637
Payment for business acquisitions, net of cash acquired	31,784
Cash and cash equivalents	$ 3,853
Acquired intangible assets, weighted average amortization period	2 years
Goodwill	$ 25,227
Acquisition related cost	932
Acquired assets	7,378
Liabilities assumed	1,207
Recognized net deferred tax liability	260
TandemSeven, Inc. \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	2,000
TandemSeven, Inc. \| Marketing-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	1,700
TandemSeven, Inc. \| Technology-related intangible assets
Business Acquisition [Line Items]
Intangible assets	$ 800

Business Acquisitions and Divestiture - BrightClaim LLC and Associated Companies - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	May 03, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 111,571	$ 284,822	$ 45,162
Goodwill		$ 1,393,832	$ 1,337,122	$ 1,069,408
Bright Claim LLC And Associated Companies
Business Acquisition [Line Items]
Date of acquisition	May 03, 2017
Ownership percentage acquired	100.00%
Payment for business acquisitions, net of cash acquired	$ 52,395
Cash and cash equivalents	4,002
Purchase consideration	$ 56,461
Acquired intangible assets, weighted average amortization period	4 years
Goodwill	$ 42,638
Acquisition related cost	1,563
Acquired assets	10,367
Liabilities assumed	7,415
Recognized net deferred tax liability	2,728
Bright Claim LLC And Associated Companies \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	8,000
Bright Claim LLC And Associated Companies \| Marketing-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	3,200
Bright Claim LLC And Associated Companies \| Technology-related intangible assets
Business Acquisition [Line Items]
Intangible assets	2,200
Bright Claim LLC And Associated Companies \| Other Intangible Assets
Business Acquisition [Line Items]
Intangible assets	$ 200

Business Acquisitions and Divestiture - RAGE Frameworks, Inc. - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Apr. 13, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 111,571	$ 284,822	$ 45,162
Goodwill		$ 1,393,832	$ 1,337,122	$ 1,069,408
Rage Frameworks, Inc.
Business Acquisition [Line Items]
Date of acquisition	Apr. 13, 2017
Ownership percentage acquired	100.00%
Purchase consideration	$ 125,329
Payment for business acquisitions, net of cash acquired	124,149
Cash and cash equivalents	$ 1,605
Acquired intangible assets, weighted average amortization period	7 years
Goodwill	$ 105,451
Acquisition related cost	881
Acquired assets	13,836
Liabilities assumed	9,752
Recognized net deferred tax asset	1,094
Rage Frameworks, Inc. \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	1,600
Rage Frameworks, Inc. \| Marketing-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets	600
Rage Frameworks, Inc. \| Technology-related intangible assets
Business Acquisition [Line Items]
Intangible assets	12,400
Rage Frameworks, Inc. \| Other Intangible Assets
Business Acquisition [Line Items]
Intangible assets	$ 100

Business Acquisitions and Divestiture - Other Acquisitions in 2017 - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired	$ 111,571	$ 284,822	$ 45,162
Goodwill	$ 1,393,832	1,337,122	$ 1,069,408
Other Acquisitions
Business Acquisition [Line Items]
Purchase consideration		87,586
Payment for business acquisitions, net of cash acquired		76,612
Cash and cash equivalents		$ 254
Acquired intangible assets, weighted average amortization period		5 years
Goodwill		$ 56,521
Acquisition related cost		2,369
Acquired assets		10,387
Liabilities assumed		11,239
Recognized net deferred tax liability		6,570
Other Acquisitions \| Customer-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets		33,494
Other Acquisitions \| Marketing-Related Intangible Assets
Business Acquisition [Line Items]
Intangible assets		1,936
Other Acquisitions \| Technology-related intangible assets
Business Acquisition [Line Items]
Intangible assets		2,956
Other Acquisitions \| Other Intangible Assets
Business Acquisition [Line Items]
Intangible assets		100
U.S. Delivery Center
Business Acquisition [Line Items]
Contingent earn-out consideration-Low end		0
Contingent earn-out consideration-High end		10,000
Lease Dimensions Inc.
Business Acquisition [Line Items]
Contingent earn-out consideration-Low end		0
Contingent earn-out consideration-High end		$ 3,000

Business Acquisitions and Divestiture - Summary of Acquisition Date, Goodwill Reporting Unit and Tax Deductibility of Goodwill of Each Acquisition (Detail)	12 Months Ended
	Dec. 31, 2017
U.S. Delivery Center
Business Acquisition [Line Items]
Acquisition date	Oct. 16, 2017
Goodwill reporting unit	India
Tax deductibility - goodwill	Deductible
OnSource L L C
Business Acquisition [Line Items]
Acquisition date	Jul. 18, 2017
Goodwill reporting unit	India
Tax deductibility - goodwill	Deductible
I T Business Of Birlasoft
Business Acquisition [Line Items]
Acquisition date	Jul. 18, 2017
Goodwill reporting unit	IT Services
Tax deductibility - goodwill	Deductible
Image Processing Business Of Fiserv Solutions Of Australia Pty Ltd
Business Acquisition [Line Items]
Acquisition date	May 11, 2017
Goodwill reporting unit	India
Tax deductibility - goodwill	Non-deductible
Lease Dimensions Inc.
Business Acquisition [Line Items]
Acquisition date	Feb. 15, 2017
Goodwill reporting unit	Americas
Tax deductibility - goodwill	Non-deductible

Business Acquisitions and Divestiture - IT Support Business - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Loss (gain) on divestiture		$ 5,668	$ (5,214)
IT Support Business \| Europe
Business Acquisition [Line Items]
Sale proceeds	$ 0
Net revenues		4,546
Net loss		$ (9,706)
Loss (gain) on divestiture	$ 5,668

Business Acquisitions and Divestiture - Summary of Calculation of Loss on Sale of Business (Detail) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net sale proceeds		$ (4,738)	$ 17,242
Loss on divestiture included in other income (expense), net		$ 5,668	$ (5,214)
IT Support Business \| Europe
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net assets of the business, including the translation impact thereof	$ 5,569
Selling expenses	99
Loss on divestiture included in other income (expense), net	$ 5,668

Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash And Cash Equivalents [Abstract]
Cash and other bank balances	$ 368,396	$ 504,468
Total	$ 368,396	$ 504,468	$ 422,623	$ 450,907

Accounts Receivable, Net of Reserve for Doubtful Receivables - Reserve for Doubtful Receivables (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Receivables [Abstract]
Opening Balance	$ 23,660	$ 15,519	$ 11,530
Additions due to acquisitions		235
Reserve for doubtful receivables	1,857	9,819	7,282
Deductions/effect of exchange rate fluctuations	(1,557)	(1,913)	(3,293)
Closing balance	$ 23,960	$ 23,660	$ 15,519

Accounts Receivable, Net of Reserve for Doubtful Receivables - Additional Information (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Gross accounts receivable	$ 798,144,000	$ 716,745,000
Reserve for doubtful receivables	23,960,000	23,660,000	$ 15,519,000	$ 11,530,000
Net accounts receivable	774,184,000	693,085,000
Accounts receivable due after one year	4,099,000	1,624,000
Accounts receivable from related parties	99,000	36,000
Reserve for doubtful receivables from related parties	$ 0	$ 0

Fair Value Measurements - Fair Value of Assets and Liabilities Measured on Recurring Basis, Including Derivative Instruments (Detail) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Derivative instruments, assets

^[1],[2]

$ 44,099

$ 73,098

Deferred compensation plan assets

^[1],[3]

1,613

Total, assets

45,712

73,098

Earn out consideration

^[4],[5]

17,073

24,732

Derivative instruments, liabilities

^[2],[4]

35,245

18,188

Deferred compensation plan liability

^[4],[6]

1,582

Total, liabilities

53,900

42,920

Fair Value, Inputs, Level 2

^[7]

4,750

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Derivative instruments, assets

^[1],[2]

44,099

73,098

Total, assets

44,099

73,098

Derivative instruments, liabilities

^[2],[4]

35,245

18,188

Total, liabilities

35,245

18,188

Fair Value, Inputs, Level 3

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Deferred compensation plan assets

^[1],[3]

1,613

Total, assets

1,613

Earn out consideration

^[4],[5]

17,073

24,732

Deferred compensation plan liability

^[4],[6]

1,582

Total, liabilities

$ 18,655

24,732

Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]

^[7]

$ 4,750

[1]	Included in “prepaid expenses and other current assets” and “other assets” in the consolidated balance sheets.
[2]	The Company values its derivative instruments based on market observable inputs, including both forward and spot prices for the relevant currencies and interest rate indices for relevant interest rates. The quotes are taken from an independent market database.
[3]	Deferred compensation plan assets consist of life insurance policies held under a Rabbi Trust. Assets held in the Rabbi Trust are valued based on the cash surrender value of the insurance contract, which is determined based on the fair value of the underlying assets included in the insurance portfolio and are therefore classified within level 3 of the valuation hierarchy.
[4]	Included in “accrued expenses and other current liabilities” and “other liabilities” in the consolidated balance sheets.
[5]	The fair value of earn-out consideration, calculated as the present value of expected future payments to be made to the sellers of acquired businesses, was derived by estimating the future financial performance of the acquired businesses using the earn-out formula and performance targets specified in each purchase agreement and adjusting the result to reflect the Company’s estimate of the likelihood of achievement of such targets. Given the significance of the unobservable inputs, the valuations are classified in level 3 of the fair value hierarchy.
[6]	The fair value of the deferred compensation plan liability is derived based on the fair value of the underlying assets in the insurance policies and is therefore classified within level 3 of the valuation hierarchy.
[7]	The Company’s estimate of the fair value of redeemable non-controlling interest as of December 31, 2017 is based on unobservable inputs considering the assumptions that market participants would make in pricing the obligation. Given the significance of the unobservable inputs, the valuation was classified in level 3 of the fair value hierarchy. Refer to Note 3—Business Acquisitions.

Fair Value Measurements - Roll-Forward of Fair Value of Earn-out Consideration Categorized as Level 3 in Fair Value Hierarchy (Detail) - Business Acquisition Contingent Consideration - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Earn-out consideration payable in connection with acquisitions

$ 24,732

$ 22,435

10,720

Payments made on earn-out consideration

(3,356)

(7,239)

Change in fair value of earn out consideration

^[1]

(5,655)

(3,695)

Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]

^[2]

1,352

2,511

Ending balance

$ 17,073

$ 24,732

[1]	Changes in the fair value of earn-out consideration are reported in “other operating (income) expense, net” in the consolidated statements of income.
[2]	Interest expense is included in “interest income (expense), net” and the impact of changes in foreign exchange is reported in “foreign exchange gains (losses), net” in the consolidated statements of income. The cumulative translation adjustment is reported as a component of “other comprehensive income (loss).”

Fair Value Measurements - Roll-Forward of Fair Value of Deferred Compensation Plan Assets Categorized as Level 3 in Fair Value Hierarchy (Detail) - Deferred Compensation Plan Assets
$ in Thousands

12 Months Ended

Dec. 31, 2018

USD ($)

Additions

$ 1,669

Change in fair value of deferred compensation plan assets

(56)

^[1]

Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]

$ 1,613

[1]	Changes in the fair value of plan assets are reported in “other income (expense), net” in the consolidated statements of income.

Fair Value Measurements - Roll-Forward of Fair Value of Deferred Compensation Liabilities Categorized as Level 3 in Fair Value Hierarchy (Detail) - Deferred Compensation Liabilities
$ in Thousands

12 Months Ended

Dec. 31, 2018

USD ($)

Additions

$ 1,669

Change in fair value of deferred compensation plan liabilities

(87)

^[1]

Ending balance

$ 1,582

[1]	Changes in the fair value of deferred compensation liabilities are reported in “selling, general and administrative expenses” in the consolidated statements of income.

Derivative Financial Instruments - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Gains (losses) related to the ineffective portion of derivatives	$ 0	$ 0	$ 0
Forward Foreign Exchange Contracts \| Maximum
Derivative [Line Items]
Derivative financial instrument contracts, maturity period	60 months
Interest Rate Swaps \| Maximum
Derivative [Line Items]
Derivative financial instrument contracts, maturity period	60 months

Derivative Financial Instruments - Aggregate Notional Principal Amounts of Outstanding Derivative Financial Instruments with Related Balance Sheet Exposure (Detail) - USD ($)

Dec. 31, 2018

Dec. 31, 2017

Derivative financial instrument, balance sheet exposure asset (liability)

^[1]

$ 8,854,000

$ 54,910,000

United States Dollars (sell) Indian Rupees (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

1,439,000,000

1,289,400,000

^[1]

(3,643,000)

54,398,000

United States Dollars (sell) Mexican Peso (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

9,000,000

^[1]

(441,000)

United States Dollars (sell) Philippines Peso (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

55,800,000

76,650,000

^[1]

(1,510,000)

69,000

Euro (sell) United States Dollars (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

136,412,000

170,542,000

^[1]

4,804,000

(2,069,000)

Pound Sterling (buy) United States Dollars (sell)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

128,000

24,041,000

^[1]

(128,000)

253,000

Euro (sell) Romanian Leu (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

41,198,000

35,826,000

^[1]

(299,000)

(892,000)

Japanese Yen (sell) Chinese Renminbi (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

40,568,000

60,768,000

^[1]

(2,195,000)

1,918,000

Pound Sterling (sell) United States Dollars (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

27,517,000

80,871,000

^[1]

495,000

(2,478,000)

Australian Dollars (sell) United States Dollars (buy)

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

89,780,000

136,092,000

^[1]

3,548,000

(5,180,000)

Interest Rate Swap Floating To Fixed [Member]

Derivative financial instrument, balance sheet exposure asset (liability)

^[2]

507,425,000

432,117,000

^[1]

$ 7,782,000

$ 9,332,000

[1]	Balance sheet exposure is denominated in U.S. dollars and denotes the mark-to-market impact of the derivative financial instruments on the reporting date.
[2]	Notional amounts are key elements of derivative financial instrument agreements but do not represent the amount exchanged by counterparties and do not measure the Company’s exposure to credit, foreign exchange, interest rate or other market risks. However, the amounts exchanged are based on the notional amounts and other provisions of the underlying derivative financial instrument agreements.

Derivative Financial Instruments - Fair Values of Derivative Instruments and Location in Financial Statements (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Prepaid Expenses and Other Current Assets \| Not Designated as Hedging Instrument
Derivatives Fair Value [Line Items]
Fair value of assets	$ 11,490	$ 4,635
Accrued Expenses and Other Current Liabilities \| Not Designated as Hedging Instrument
Derivatives Fair Value [Line Items]
Fair value of liabilities	225	254
Cash Flow Hedges \| Prepaid Expenses and Other Current Assets
Derivatives Fair Value [Line Items]
Fair value of assets	23,038	43,557
Cash Flow Hedges \| Other Assets
Derivatives Fair Value [Line Items]
Fair value of assets	9,571	24,906
Cash Flow Hedges \| Accrued Expenses and Other Current Liabilities
Derivatives Fair Value [Line Items]
Fair value of liabilities	15,148	10,092
Cash Flow Hedges \| Other Liabilities
Derivatives Fair Value [Line Items]
Fair value of liabilities	$ 19,872	$ 7,842

Derivative Financial Instruments - Cash Flow Hedges, Gains (Losses) Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Opening balance, before-tax amount

$ 50,529

$ 37,461

$ (30,090)

Net gains (losses) reclassified into statement of income upon completion of hedged transactions, before-tax amount

^[1]

9,336

54,494

(6,799)

Changes in fair value of effective portion of outstanding derivatives, net, before-tax amount

(43,604)

67,562

60,752

Gain (loss) on cash flow hedging derivatives, net, before-tax amount

(52,940)

13,068

67,551

Closing balance, before-tax amount

(2,411)

50,529

37,461

Opening balance, tax (expense) or benefit

(14,436)

(13,979)

9,830

Net gains (losses) reclassified into statement of income upon completion of hedged transactions, tax (expense) or benefit

^[1]

(1,073)

(17,725)

409

Changes in fair value of effective portion of outstanding derivatives, net, tax (expense) or benefit

5,574

(18,182)

(23,400)

Gain (loss) on cash flow hedging derivatives, net, tax (expense) or benefit

6,647

(457)

(23,809)

Closing balance, tax (expense) or benefit

(5,524)

(14,436)

(13,979)

Opening balance, net of tax amount

36,093

23,482

(20,260)

Net gains (losses) reclassified into statement of income upon completion of hedged transactions, net of tax amount

^[1]

8,263

36,769

(6,390)

Changes in fair value of effective portion of outstanding derivatives, net, net of tax amount

(38,030)

49,380

37,352

Gain (loss) on cash flow hedging derivatives, net of taxes amount

(46,293)

12,611

43,742

Closing balance, net of tax amount

(7,935)

$ 36,093

$ 23,482

ASU 2018-02

Adoption of ASU 2018-02, tax (expense) or benefit

2,265

Adoption of ASU 2018-02, net of tax amount

$ 2,265

[1]	The tax (expense) benefit includes the effect of novating certain hedging instruments as part of an intercompany transfer.

Derivative Financial Instruments - Gains or Losses Recorded as Component of Other Comprehensive Income (Loss) or Other Comprehensive Income (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Amount of Gain (loss) recognized in OCI on Derivatives (Effective Portion)

$ (43,604)

$ 67,562

$ 60,752

Amount of Gain (loss) reclassified from OCI into Statement of Income (Effective Portion)

9,336

54,494

(6,799)

Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivatives

(6,240)

16,696

2,921

Amount of Gain (loss) reclassified from OCI into Statement of Income (Effective Portion)

(716)

5,858

12,859

Cost of Revenue

Amount of Gain (loss) reclassified from OCI into Statement of Income (Effective Portion)

4,723

37,849

(14,223)

Selling, General and Administrative Expenses

Amount of Gain (loss) reclassified from OCI into Statement of Income (Effective Portion)

1,543

10,849

(3,765)

Interest Expense

Amount of Gain (loss) reclassified from OCI into Statement of Income (Effective Portion)

3,786

(62)

(1,670)

Forward Foreign Exchange Contracts

Amount of Gain (loss) recognized in OCI on Derivatives (Effective Portion)

(45,840)

66,037

54,664

Forward Foreign Exchange Contracts | Foreign Exchange (Gains) Losses, Net

Non designated Hedges, amount of (Gain) Loss recognized in Statement of Income on Derivatives

^[1]

(6,240)

16,696

2,921

Interest Rate Swaps

Amount of Gain (loss) recognized in OCI on Derivatives (Effective Portion)

$ 2,236

$ 1,525

$ 6,088

[1]

Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Prepaid Expense And Other Assets Current [Abstract]

Advance income and non-income taxes

$ 58,701

$ 51,832

Deferred transition costs

62,029

Contract asset

22,472

Customer acquisition cost

19,327

Prepaid expenses

25,996

16,944

34,528

48,192

Employee advances

3,772

5,014

Deposits

2,758

4,719

Advances to suppliers

1,998

2,705

Prepaid expenses and other current assets, net

62,252

25,580

$ 212,477

^[1],[2]

$ 236,342

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

Property, Plant and Equipment, Net - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 660,754	$ 666,031
Less: Accumulated depreciation and amortization	(448,039)	(459,001)
Property, plant and equipment, net	212,715	207,030
Land
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	9,401	10,209
Buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	43,078	46,007
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	47,206	43,091
Computer Equipment and Servers
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	210,239	210,725
Plant, Machinery and Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	88,937	92,981
Computer Software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	138,824	137,459
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	105,965	102,072
Vehicles
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	5,309	6,418
Capital Work in Progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 11,795	$ 17,069

Property, Plant and Equipment, Net - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property Plant And Equipment [Line Items]
Depreciation and amortization	$ 64,868	$ 58,503	$ 54,553
Property, plant and equipment held under capital lease arrangements, gross	2,343	3,302
Tangible assets write-down	4,265	8,000
Technology Related Intangible Assets
Property Plant And Equipment [Line Items]
Tangible assets write-down	3,065	2,240
Effect of Reclassification of Foreign Exchange (Gains) Losses
Property Plant And Equipment [Line Items]
Depreciation and amortization	(231)	(1,712)	744
Assets Held Under Capital Leases
Property Plant And Equipment [Line Items]
Depreciation and amortization	1,395	1,682	1,564
Depreciation Expense on Property, Plant And Equipment
Property Plant And Equipment [Line Items]
Depreciation and amortization	49,518	44,909	45,826
Computer Software
Property Plant And Equipment [Line Items]
Depreciation and amortization	12,317	11,415	$ 9,471
Tangible assets write-down	$ 1,200	$ 5,760

Goodwill and Intangible Assets - Changes in Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]
Opening balance	$ 1,337,122	$ 1,069,408
Goodwill relating to acquisitions consummated during the period	91,936	229,745
Impact of measurement period adjustments	816	(106)
Effect of exchange rate fluctuations	(36,042)	38,075
Closing balance	$ 1,393,832	$ 1,337,122

Goodwill and Intangible Assets - Goodwill Allocated to Reporting Units (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 1,393,832	$ 1,337,122	$ 1,069,408
India
Goodwill [Line Items]
Goodwill	794,902	735,596
China
Goodwill [Line Items]
Goodwill	59,319	60,171
Europe
Goodwill [Line Items]
Goodwill	40,033	41,775
Americas
Goodwill [Line Items]
Goodwill	57,021	57,021
IT Services
Goodwill [Line Items]
Goodwill	$ 442,557	$ 442,559

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Line Items]

Goodwill deductible for tax purposes

$ 187,546

$ 120,617

Goodwill and Intangible Assets Disclosure [Line Items]

38,850

36,412

^[1]

$ 27,183

^[1]

Goodwill and Intangible Assets Disclosure [Line Items]

2,807

452

Customer-Related Intangible Assets

$ 5

(15)

Goodwill and Intangible Assets Disclosure [Line Items]

Intangible assets write-down

$ 1,311

871

Intangible Software Asset

Goodwill and Intangible Assets Disclosure [Line Items]

Intangible assets write-down

$ 10,324

[1]

Goodwill and Intangible Assets - Intangible Assets Acquired Either Individually or with Group of Other Assets or in Business Combination (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 565,313	$ 494,423
Accumulated amortization & Impairment	388,226	362,833
Net	177,087	131,590
Customer-Related Intangible Assets
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	368,558	369,173
Accumulated amortization & Impairment	306,582	293,029
Net	61,976	76,144
Marketing-Related Intangible Assets
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	54,714	52,443
Accumulated amortization & Impairment	46,591	39,212
Net	8,123	13,231
Technology-related intangible assets
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	76,790	54,189
Accumulated amortization & Impairment	33,976	28,278
Net	42,814	25,911
Other Intangible Assets
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	1,204	3,081
Accumulated amortization & Impairment	1,077	2,314
Net	127	767
Intangible Assets Under Development [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Gross carrying amount	64,047	15,537
Net	$ 64,047	$ 15,537

Goodwill and Intangible Assets - Estimated Amortization Schedule of Intangible Assets for Future Periods (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]
2019	$ 36,395
2020	34,949
2021	20,814
2022	10,957
2023 and beyond	9,925
Intangible assets excluding under development assets	$ 113,040

Other Assets - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Other Assets Noncurrent Disclosure [Abstract]

Customer acquisition cost

$ 37,017

Contract asset (Note 27)

$ 22,563

Advance income and non-income taxes

62,942

63,474

Deferred transition costs

77,255

Deposits

25,984

32,174

Accounts Receivable due after one year

9,571

24,906

Prepaid expenses

5,052

2,849

4,099

1,624

Accrued Liabilities And Other Liabilities [Abstract]

24,948

22,870

Other assets, net

$ 155,159

^[1],[2]

$ 262,169

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

Leases - Future Minimum Lease Payments under Operating Lease Arrangements (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Leases [Abstract]
2019	$ 64,099
2020	58,434
2021	53,170
2022	47,976
2023	38,862
2024 and beyond	147,765
Total minimum lease payments	$ 410,306

Leases - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Leases [Abstract]
Rent expenses	$ 66,110	$ 59,484	$ 50,827
Rental expense including effect of reclassification of foreign exchange (gains) losses	$ (195)	$ (1,533)	$ 598

Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Accrued expenses

$ 179,843

$ 204,997

Accrued employee cost

210,251

204,506

Earn-out consideration

16,875

14,928

Statutory liabilities

42,728

36,283

22,921

21,074

Deferred transition revenue

15,373

10,346

Advance from customers

25,476

Contract liabilities

64,744

52,233

Capital lease obligations

16,807

13,093

1,808

1,546

Accrued expenses and other current liabilities, net

$ 571,350

^[1]

$ 584,482

[1]

As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.

Long-Term Debt - Additional Information (Detail)	1 Months Ended		12 Months Ended
Long-Term Debt - Additional Information (Detail)	Aug. 31, 2018 USD ($)	Mar. 31, 2017 USD ($) Day	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Aug. 09, 2018 USD ($)	Aug. 08, 2018 USD ($)
Debt Instrument [Line Items]
Maturity date of loan agreement			Aug. 08, 2023
Margin over LIBOR	1.375%		1.375%	1.50%
Debt discount and underwriting fee			$ 4,293,000	$ 2,630,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity					$ 500,000,000	$ 350,000,000
Term Loan Credit Facility
Debt Instrument [Line Items]
Maturity date of loan agreement			Aug. 08, 2023
Debt amortization expense			$ 2,158,000	1,848,000
Debt amount outstanding			660,841,000	698,152,000
Principal amount of term loan			$ 8,500,000
Credit facility, frequency of payments			Quarterly
2015 Facility
Debt Instrument [Line Items]
Margin over LIBOR	1.50%
Credit facility, base rate	0.50%
2015 Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 350,000,000
2015 Facility \| Term Loan Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	800,000,000
Outstanding term loan	550,814,000
Extinguished outstanding term loan	129,186,000
2018 Facility
Debt Instrument [Line Items]
Debt amortization expense	$ 2,029,000
Margin over LIBOR	1.375%
Credit facility, base rate	0.375%
2018 Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 500,000,000
Maturity date of loan agreement	Aug. 08, 2023
Debt amortization expense	$ 82,000
2018 Facility \| Term Loan Credit Facility
Debt Instrument [Line Items]
Outstanding term loan	680,000,000
Additional funding	129,186,000
Change to outstanding principal of term loan	$ 0
3.70% Senior Notes \| Genpact Luxembourg S.à r.l.
Debt Instrument [Line Items]
Debt amortization expense			$ 1,713,000	2,239,000
Debt amount outstanding			$ 348,287,000	$ 347,761,000
Principal amount of senior notes issued		$ 350,000,000
Interest rate on senior notes		3.70%
Net proceeds from issue of senior notes		$ 348,519,000
Debt discount and underwriting fee		1,481,000
Other debt issuance costs		1,161,000
Total debt issuance cost		$ 2,642,000
Debt instrument, maturity date			Apr. 01, 2022
Debt instrument description			The Issuer will pay interest on the notes semi-annually in arrears on April 1 and October 1 of each year, ending on the maturity date of April 1, 2022.
Debt instrument redemption price percentage		100.00%
Debt instrument redemption date			Mar. 01, 2022
Debt repurchase price as percentage of aggregate principal value upon certain change of controls		101.00%
Maximum increase in downgrade of credit rating of notes to adjust interest rate payable		2.00%
Debt instrument, number of days to provide offer to exchange notes for outstanding unregistered notes \| Day		455

Long-Term Debt - Maturity Profile of Term Loan, Outstanding Net of Debt Amortization Expense (Detail) - Term Loan Credit Facility - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
2019	$ 33,483
2020	33,509
2021	33,537
2022	33,564
2023	526,748
Total	$ 660,841	$ 698,152

Short-Term Borrowings - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Aug. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Aug. 09, 2018	Aug. 08, 2018
Line Of Credit Facility [Line Items]
Fund-based and non-fund-based credit facilities limits available		$ 14,281,000	$ 15,064,000
Utilization of credit facility for non fund-based usage		7,389,000	7,900,000
Credit facility, amount utilized		297,098,000	170,978,000
Short-term borrowings		$ 295,000,000	$ 170,000,000
Revolving credit facility, expiration month and year		Aug. 08, 2023
Margin over LIBOR	1.375%	1.375%	1.50%
Percentage of commitment fee		0.20%	0.25%
Revolving Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				$ 500,000,000	$ 350,000,000
Non-Fund-Based Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, amount utilized		$ 2,098,000	$ 978,000
Fund-Based Credit Facility
Line Of Credit Facility [Line Items]
Margin over LIBOR		1.375%	1.50%

Other Liabilities - Schedule of Other Liabilities (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Other Liabilities Disclosure [Abstract]

Accrued employee cost

$ 6,341

$ 14,020

Earn-out consideration

198

9,804

50,370

40,520

Deferred transition revenue

19,872

7,842

Advance from customers

790

Contract liabilities

53,796

70,900

Capital lease obligations

32,935

22,069

1,714

2,664

Other Liabilities

$ 165,226

^[1]

$ 168,609

[1]

Employee Benefit Plans - Funded Status of Defined Benefit Plans and Amount Recognized (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract]
Projected benefit obligation at the beginning of the year	$ 58,094	$ 45,283
Service cost	7,833	7,735	$ 5,661
Actuarial loss (gain)	470	4,493
Interest cost	3,822	3,252	2,585
Liabilities assumed on acquisition	503
Benefits paid	(6,277)	(5,367)
Special termination benefit		57
Plan amendments	995
Effect of exchange rate changes	(3,992)	2,641
Projected benefit obligation at the end of the year	61,448	58,094	45,283
Fair value of plan assets at the beginning of the year	45,560	30,871
Employer contributions	1,573	15,176
Actual gain on plan assets	1,929	2,746
Actuarial gain/(loss)	(9)	11
Benefits paid	(6,228)	(5,301)
Effect of exchange rate changes	(3,142)	2,057
Fair value of plan assets at the end of the year	$ 39,683	$ 45,560	$ 30,871

Employee Benefit Plans - Amounts Included in Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Compensation And Retirement Disclosure [Abstract]
Net actuarial loss	$ (11,037)	$ (12,228)
Net Prior Service Credit / (Cost)	(967)
Deferred tax assets	3,451	2,221
Other comprehensive income, net	$ (8,553)	$ (10,007)

Employee Benefit Plans - Changes in Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract]
Net actuarial loss	$ (951)
Amortization of net actuarial loss	1,202
Deferred income taxes	1,407
Net prior service credit/(cost)	(944)
Effect of exchange rate changes	740
Other comprehensive income (loss), net	$ 1,454	$ (3,787)	$ (4,042)

Employee Benefit Plans - Net Defined Benefit Plan Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract]
Service costs	$ 7,833	$ 7,735	$ 5,661
Interest costs	3,822	3,252	2,585
Amortization of actuarial loss	806	1,177	(113)
Expected return on plan assets	(2,435)	(2,412)	(2,043)
One time cost		209
Special termination benefits		426
Net defined benefit plan costs	$ 10,026	$ 10,387	$ 6,090

Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2018	Dec. 31, 2018	Dec. 31, 2017
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Amount in other comprehensive loss expected to be recognized as component of net periodic benefit cost over next fiscal year		$ 1,116
Deferred compensation plan liability		1,582	$ 0
Cash surrender value of policies		1,613	0
Change in fair value of plan assets		(56)	0
Change in fair value of deferred compensation liabilities		$ (87)	$ 0
U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Vesting percentage of participants	100.00%
Employer discretionary vesting period	2 years
Earnings receivable minimum term	2 years
Earnings receivable lump sum or annual installment maximum terms	15 years
One-Year Anniversary of Approval of Contribution \| U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Employer discretionary vesting percentage	50.00%
Two-Year Anniversary of Approval of Contribution \| U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Employer discretionary vesting percentage	50.00%
Minimum \| U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Individual qualifying base compensation, percentage	1.00%
Individual qualifying bonus compensation, percentage	1.00%
Maximum \| U.S.
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Individual qualifying base compensation, percentage	80.00%
Individual qualifying bonus compensation, percentage	100.00%
Benefit Obligations Of Philippines Plan \| Minimum
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Expectation of the average long term rate of return expected, years		15 years
Benefit Obligations Of Philippines Plan \| Maximum
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]
Expectation of the average long term rate of return expected, years		20 years

Employee Benefit Plans - Weighted Average Assumptions used to Determine Benefit Obligations, Gratuity Plan (Detail) - Benefit Obligations Of Gratuity Plan	Dec. 31, 2018	Dec. 31, 2017
Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	8.30%	7.40%
Rate of increase in compensation per annum	5.20%	5.20%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	8.40%	7.60%
Rate of increase in compensation per annum	11.00%	11.00%

Employee Benefit Plans - Weighted Average Assumptions used to Determine Plan Costs, Gratuity Plan (Detail) - Gratuity Plan Costs	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Expected long term rate of return on plan assets per annum	7.50%	7.50%	7.50%
Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	7.40%	7.10%	8.30%
Rate of increase in compensation per annum	5.20%	5.20%	5.20%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	7.60%	7.50%	8.45%
Rate of increase in compensation per annum	11.00%	11.00%	11.00%

Employee Benefit Plans - Weighted Average Assumptions used to Determine Benefit Obligations, Mexican Plan (Detail) - Benefit Obligations Of Mexican Plan	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Discount rate	9.25%	7.60%
Rate of increase in compensation per annum	5.50%	5.50%

Employee Benefit Plans - Weighted Average Assumptions used to Determine Plan Costs, Mexican Plan (Detail) - Mexican Plan Costs	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Discount rate	7.60%	6.80%	6.50%
Rate of increase in compensation per annum	5.50%	5.50%	5.50%
Expected long term rate of return on plan assets per annum	0.00%	0.00%	0.00%

Employee Benefit Plans - Weighted Average Assumptions used to Determine Benefit Obligations, Japan Plan (Detail) - Benefit Obligations Of Japan Plan	Dec. 31, 2018	Dec. 31, 2017
Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.076%	0.113%
Rate of increase in compensation per annum	0.00%	0.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.269%	0.789%
Rate of increase in compensation per annum		3.55%

Employee Benefit Plans - Weighted Average Assumptions used to Determine Plan Costs, Japan Plan (Detail) - Japan Plan Costs	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.113%	0.08%	0.24%
Rate of increase in compensation per annum	0.00%	0.00%	0.00%
Expected long term rate of return on plan assets per annum	0.00%	0.00%	0.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	0.789%	1.30%	1.30%
Rate of increase in compensation per annum	3.55%	3.55%	3.55%
Expected long term rate of return on plan assets per annum	1.84%	3.09%	3.77%

Employee Benefit Plans - Fair Value of Plan Assets (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Fair Value, Inputs, Level 1

$ 39,683

$ 45,560

$ 30,871

Fair Value, Inputs, Level 2

6,114

6,328

33,569

39,232

Equity

Equity | Fair Value, Inputs, Level 1

Cash

Cash | Fair Value, Inputs, Level 1

381

472

381

472

Fixed Income Securities

Fixed Income Securities | Fair Value, Inputs, Level 1

^[1]

36,499

42,328

Fixed Income Securities | Fair Value, Inputs, Level 2

^[1]

3,345

3,419

^[1]

33,154

38,909

Other Securities

Other Securities | Fair Value, Inputs, Level 1

^[2]

2,796

2,760

Other Securities | Fair Value, Inputs, Level 2

^[2]

2,381

2,437

Outstanding, shares arising out of options, beginning balance

^[2]

$ 415

$ 323

[1]	Includes investments in funds that invest 100% of their assets in fixed income securities such as money market instruments, government securities and public and private bonds
[2]	Includes investments in funds that invest primarily in fixed income securities and the remaining portion in equity securities.

Employee Benefit Plans - Fair Value of Plan Assets (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of investment in funds	100.00%	100.00%

Employee Benefit Plans - Expected Benefit Plan Payments Reflecting Expected Future Service (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Compensation And Retirement Disclosure [Abstract]
2019	$ 9,983
2020	10,454
2021	10,686
2022	10,877
2023	11,193
2024 - 2028	53,112
Defined benefit plan expected future benefit payments	$ 106,305

Employee Benefit Plans - Amounts Contributed to Defined Contribution Plans in Various Jurisdictions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 69,179	$ 61,221	$ 56,242
India
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	23,877	22,242	19,074
U.K.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	9,619	7,823	6,593
China
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	17,625	15,950	15,512
Other Regions
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	4,604	4,059	4,684
U.S.
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plans, contributed amount	$ 13,454	$ 11,147	$ 10,379

Stock-Based Compensation - Additional Information (Detail) - USD ($)										3 Months Ended								12 Months Ended
	Dec. 19, 2018	Sep. 19, 2018	Jun. 20, 2018	Mar. 21, 2018	Dec. 20, 2017	Sep. 21, 2017	Jun. 28, 2017	Mar. 28, 2017	Apr. 11, 2012	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2012	May 09, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation cost																		$ 48,196,000	$ 35,112,000	$ 24,686,000
Options granted, contractual period, years																		10 years
Cash dividends paid per share	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.06	$ 0.06	$ 0.06	$ 0.06		$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.06	$ 0.06	$ 0.06	$ 0.06
Cash received from the exercise of stock option																		$ 10,772,000	14,896,000	13,564,000
Tax benefits from the exercise of stock option																		2,473,000	2,016,000	1,548,000
Tax benefits recognized in relation to stock-based compensation																		11,783,000	9,600,000	6,446,000
Unrecognized stock-based compensation cost for options										$ 21,925,000								21,925,000
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Excess tax benefit on stock-based compensation																		$ 2,131,000	$ 1,723,000	$ 1,004,000
Weighted average remaining requisite vesting period																		4 years
Restricted Share Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average remaining requisite vesting period																		2 years 3 months 18 days
Shares to be issued on vested awards other than options																				86,517	53,546	92,692
Unrecognized stock-based compensation cost										24,946,000								$ 24,946,000
Restricted Share Units (RSUs) \| Vested in December 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested RSU issued during the period																			53,023
Restricted Share Units (RSUs) \| Vested in December 31, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested RSU issued during the period																				91,963
Performance Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average remaining requisite vesting period																		1 year 9 months 18 days
Unrecognized stock-based compensation cost										$ 55,985,000								$ 55,985,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of fair value per share allowed to eligible employees to purchase through payroll deductions																		90.00%
Maximum percentage of employee's base salary allowed to be purchased										15.00%								15.00%
Maximum dollar amount of common shares allowed to be purchased																		$ 25,000
Common shares reserved for issuance										4,200,000								4,200,000
Issuance of common shares under the employee stock purchase plan (in shares)																		245,467	190,435	146,685
Compensation expense for ESPP																		$ 802,000	$ 573,000	$ 428,000
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		4 years
Minimum \| Restricted Share Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		3 months
Minimum \| Performance Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		6 months
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		5 years
Maximum \| Restricted Share Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		4 years
Maximum \| Performance Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award, vesting period, years																		3 years
2007 Omnibus Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Amended Omnibus Plan, increase in number of common shares authorized for issuance									5,593,200														8,858,823
Number of common shares authorized for issuance									15,000,000	23,858,823								23,858,823
Genpact Limited 2017 Omnibus Incentive Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares authorized for issuance																								15,000,000

Stock-Based Compensation - Significant Assumptions used in Determination of Fair Value of Options Granted (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Dividend yield		0.97%
Expected life (in months)	84 months	84 months	84 months
Risk-free rate of interest for expected life		2.25%
Risk-free rate of interest for expected life, minimum	2.67%		1.42%
Risk-free rate of interest for expected life, maximum	2.93%		1.56%
Volatility		24.28%
Volatility, minimum	22.55%		25.60%
Volatility, maximum	22.73%		27.22%
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Dividend yield	0.95%
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Dividend yield	1.01%

Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

Shares arising out of options

5,134,645

5,707,690

5,986,845

Granted, shares arising out of options

2,638,106

250,000

860,000

Forfeited, shares arising out of options

(70,000)

(80,000)

(145,000)

Exercised, shares arising out of options

(441,076)

(743,045)

(994,155)

Outstanding, shares arising out of options, ending balance

7,261,675

5,134,645

5,707,690

5,986,845

Vested and expected to vest thereafter, shares arising out of options

^[1]

7,107,605

4,988,875

5,457,701

Vested and exercisable, shares arising out of options

3,313,570

2,203,146

2,746,191

Weighted average grant-date fair value of options granted during the period

$ 8.32

$ 6.62

$ 8.50

Weighted average exercise price

Outstanding weighted average exercise price, beginning balance

19.52

18.65

16.99

Granted, weighted average exercise price

30.47

24.74

26.80

Forfeited, weighted average exercise price

27.65

20.63

17.77

Exercised, weighted average exercise price

16.46

14.50

14.98

Outstanding weighted average exercise price, ending balance

23.61

19.52

18.65

$ 16.99

Vested and expected to vest thereafter, weighted average exercise price

^[1]

23.50

19.36

18.42

Vested and exercisable, weighted average exercise price

$ 17.69

$ 16.17

$ 15.62

Weighted average remaining contractual life (years)

Outstanding weighted average remaining contractual life (years)

6 years 4 months 24 days

5 years 7 months 6 days

5 years 9 months 18 days

Vested and expected to vest thereafter, weighted average remaining contractual life (years)

^[1]

6 years 4 months 24 days

5 years 7 months 6 days

5 years 9 months 18 days

Vested and exercisable, weighted average remaining contractual life (years)

3 years 8 months 12 days

4 years 1 month 6 days

4 years

Aggregate intrinsic value

Exercised, aggregate intrinsic value

$ 6,731

$ 8,512

$ 10,982

Outstanding aggregate intrinsic value

34,143

62,743

34,641

Vested and expected to vest thereafter, aggregate intrinsic value

^[1]

33,997

61,779

34,150

Vested and exercisable, aggregate intrinsic value

$ 30,806

$ 34,303

$ 23,960

[1]	Options expected to vest reflect an estimated forfeiture rate

Stock-Based Compensation - Summary of Restricted Share Units Activity (Detail) - Restricted Share Units (RSUs) - $ / shares

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Number of Restricted Share Units

Outstanding number of shares (Units), beginning balance

1,605,251

117,905

157,390

Granted, number of shares (Units)

484,427

1,533,836

95,553

Vested, number of shares (Units)

(358,697)

^[1]

(45,248)

^[2]

(133,903)

^[3]

Outstanding number of shares (Units), ending balance

(201,982)

(1,242)

(1,135)

1,528,999

1,605,251

117,905

Expected to vest, number of shares (Units)

^[4]

1,360,048

1,371,567

107,366

Weighted Average Grant Date Fair Value

Outstanding weighted average grant date fair value, beginning balance

$ 26.17

$ 20.65

$ 17.67

Granted, weighted average grant date fair value

30.13

26.36

25.49

Vested, weighted average grant date fair value

25.53

^[1]

18.31

^[2]

20.66

^[3]

Forfeited, weighted average grant date fair value

27.09

25.53

14.18

Outstanding weighted average grant date fair value, ending balance

$ 27.45

$ 26.17

$ 20.65

[1]	261,260 RSUs that vested during the period were net settled upon vesting by issuing 175,505 shares (net of minimum statutory tax withholding). 52,875 and 44,562 RSUs vested in the year ended December 31, 2017 and December 31, 2018 respectively, shares in respect of which will be issuable in 2019 after withholding shares to the extent of minimum statutory withholding taxes.
[2]	Vested RSUs were net settled by issuing 32,395 shares (net of minimum statutory tax withholding).
[3]	Vested RSUs were net settled by issuing 29,719 shares (net of minimum statutory tax withholding). 86,517 RSUs vested in the year ended December 31, 2016. 17,802 common shares underlying 34,035 of such RSUs were issued in 2017 after withholding shares to the extent of minimum statutory withholding taxes. 52,482 RSUs vested in the year ended December 31, 2016, in respect of which 52,055 shares were issued in 2018 after withholding shares to the extent of minimum statutory withholding taxes.
[4]	RSUs expected to vest reflect an estimated forfeiture rate.

Stock-Based Compensation - Summary of Restricted Share Units Activity (Parenthetical) (Detail) - Restricted Share Units (RSUs) - shares

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

Dec. 31, 2014

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

RSUs settled on vesting by issuing shares (net of minimum tax withholding)

175,505

32,395

29,719

Shares to be issued on vested awards other than options

86,517

53,546

92,692

Vested in December 31, 2017

358,697

^[1]

45,248

^[2]

133,903

^[3]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

RSUs settled on vesting by issuing shares (net of minimum tax withholding)

17,802

Vested in December 31, 2017 | Scenario, Forecast

34,035

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Vested in December 31, 2016

52,875

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

RSUs settled on vesting by issuing shares (net of minimum tax withholding)

52,055

Vested and Settled During 2018

52,482

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

RSUs settled on vesting by issuing shares (net of minimum tax withholding)

261,260

Vested in December 31, 2018 | Scenario, Forecast

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Outstanding number of shares (Units), beginning balance

44,562

[1]	261,260 RSUs that vested during the period were net settled upon vesting by issuing 175,505 shares (net of minimum statutory tax withholding). 52,875 and 44,562 RSUs vested in the year ended December 31, 2017 and December 31, 2018 respectively, shares in respect of which will be issuable in 2019 after withholding shares to the extent of minimum statutory withholding taxes.
[2]	Vested RSUs were net settled by issuing 32,395 shares (net of minimum statutory tax withholding).
[3]	Vested RSUs were net settled by issuing 29,719 shares (net of minimum statutory tax withholding). 86,517 RSUs vested in the year ended December 31, 2016. 17,802 common shares underlying 34,035 of such RSUs were issued in 2017 after withholding shares to the extent of minimum statutory withholding taxes. 52,482 RSUs vested in the year ended December 31, 2016, in respect of which 52,055 shares were issued in 2018 after withholding shares to the extent of minimum statutory withholding taxes.

Stock-Based Compensation - Summary of Performance Units Activity (Detail) - Performance Units - $ / shares

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Number of Performance Units

2,900,940

3,772,128

2,499,322

Granted, number of shares (Units)

1,682,740

1,811,292

1,518,374

Vested, number of shares (Units)

(1,087,751)

^[1]

(1,136,047)

^[2]

Adjustment upon final determination of level of performance goal achievement

(258,237)

(1,583,913)

^[3]

(252,842)

474,800

^[4]

37,480

^[5]

7,274

^[6]

Outstanding number of shares (Units), ending balance

3,712,402

2,900,940

3,772,128

Expected to vest, number of shares (Units)

^[7]

3,261,069

2,657,685

2,226,489

Weighted Average Grant Date Fair Value

Outstanding weighted average grant date fair value, beginning balance

$ 24.40

$ 23.04

$ 19.95

Granted, weighted average grant date fair value

30.62

25.22

27.93

Vested, weighted average grant date fair value

22.73

^[1]

16.78

^[2]

Forfeited, weighted average grant date fair value

26.03

27.57

^[3]

21.88

Adjustment upon final determination of level of performance goal achievement

30.68

^[4]

25.22

^[5]

22.72

^[6]

Outstanding weighted average grant date fair value, ending balance

$ 28.40

$ 24.40

$ 23.04

Maximum shares eligible to receive

Outstanding maximum shares eligible to receive, beginning balance

2,900,940

5,524,114

2,499,322

Granted, maximum shares eligible to receive

3,365,480

3,622,584

3,343,335

Vested, maximum shares eligible to receive

(1,087,751)

^[1]

(1,136,047)

^[2]

Forfeited, maximum shares eligible to receive

(305,737)

(1,627,313)

^[3]

(325,817)

Adjustment upon final determination of level of performance goal achievement

(1,160,530)

^[8]

(3,482,398)

^[9]

7,274

^[6]

Outstanding maximum shares eligible to receive, ending balance

3,712,402

2,900,940

5,524,114

[1]	Vested PUs were net settled upon vesting by issuing 691,958 shares (net of minimum statutory tax withholding).
[2]	Vested PUs were net settled upon vesting by issuing 731,701 shares (net of minimum statutory tax withholding).
[3]	Includes 1,443,624 target shares underlying PUs granted in 2016 which were forfeited for failure to achieve all of the threshold performance targets under such awards.
[4]	Represents a 28.77% increase in the number of target shares expected to vest as a result of achievement of higher-than-target performance for PUs granted in 2018 partially offset by an adjustment made in March 2018 to the number of shares subject to the PUs granted in 2017 upon certification of the level of achievement of the performance targets underlying such awards.
[5]	Represents a 2.7% increase in the number of target shares as a result of achievement of higher-than-target performance for certain PUs granted in 2017, partially offset by a 12.5% reduction as a result of achievement of lower-than-target performance for certain PUs granted in 2017.
[6]	Represents an adjustment made in March 2016 to the number of shares underlying the PUs granted in 2015 upon certification of the level of achievement of the performance targets for such awards.
[7]	PUs expected to vest are based on the probable achievement of the performance targets after considering an estimated forfeiture rate.
[8]	Represents the difference between the maximum number of shares achievable and the number of shares expected to vest under the PU awards granted in 2018 based on the level of achievement of the performance goals. Also includes an adjustment made in March 2018 to the number of shares subject to the PUs granted in 2017 upon certification of the level of achievement of the performance targets underlying such awards.
[9]	Represents the difference between the maximum number of shares achievable and the number of shares expected to vest under the PU awards granted in 2017 based on the level of achievement of the performance goals. Also includes the difference between the maximum number of shares achievable and the number of shares eligible to vest under the PU awards granted in 2016, which were forfeited for failure to achieve all of the threshold performance targets under such awards

Stock-Based Compensation - Summary of Performance Units Activity (Parenthetical) (Detail) - shares

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Net settlement on vesting of performance units (in shares)

691,958

731,701

Performance Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Increase due to achievement of higher-than-target performance for grants in 2017/2018, percentage

258,237

1,583,913

^[1]

252,842

28.77%

2.70%

Decrease due to achievement of lower-than-target performance for grants in 2017, percentage

12.50%

Performance Units | Granted in 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Net income available to Genpact Limited common shareholders

1,443,624

[1]	Includes 1,443,624 target shares underlying PUs granted in 2016 which were forfeited for failure to achieve all of the threshold performance targets under such awards.

Capital Stock - Additional Information (Detail) - USD ($)													1 Months Ended	3 Months Ended								12 Months Ended
	Dec. 19, 2018	Sep. 19, 2018	Jun. 20, 2018	Mar. 21, 2018	Feb. 12, 2018	Jan. 17, 2018	Dec. 29, 2017	Dec. 20, 2017	Sep. 21, 2017	Jun. 28, 2017	Mar. 30, 2017	Mar. 28, 2017	Feb. 28, 2017	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Mar. 29, 2017	Feb. 10, 2017
Class Of Stock [Line Items]
Common shares, authorized														500,000,000				500,000,000				500,000,000	500,000,000
Common shares, par value														$ 0.01				$ 0.01				$ 0.01	$ 0.01
Preferred shares, authorized														250,000,000				250,000,000				250,000,000	250,000,000
Preferred shares, par value														$ 0.01				$ 0.01				$ 0.01	$ 0.01
Common shares, issued														189,346,101				192,825,207				189,346,101	192,825,207
Common shares, outstanding														189,346,101				192,825,207				189,346,101	192,825,207
Preferred shares, issued														0				0				0	0
Preferred shares, outstanding														0				0				0	0
Common stock voting right																						Holders of common shares are entitled to one vote per share
Stock repurchase authorized amount																								$ 750,000,000		$ 1,250,000,000
Additional stock repurchase authorized amount																										$ 500,000,000
Shares repurchased and retired (in shares)																						4,921,192	808,293
Common stock shares repurchased price per share																						$ 31.30	$ 24.48
Aggregate amount of common stock shares repurchased																						$ 154,058,000	$ 219,784,000	345,200,000
Expenses related to stock purchases																						98,000	$ 16,000	$ 279,000
Quarterly dividend declared					$ 0.075								$ 0.06										$ 0.06
Annual dividend													$ 0.24
Initial dividend paid	$ 14,201,000	$ 14,253,000	$ 14,240,000	$ 14,408,000				$ 11,590,000	$ 11,581,000	$ 11,558,000		$ 11,957,000										57,102,000	$ 46,686,000
Dividends payable, date declared					2018-02								2017-02
Dividends paid per share	$ 0.075	$ 0.075	$ 0.075	$ 0.075				$ 0.06	$ 0.06	$ 0.06		$ 0.06		$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.06	$ 0.06	$ 0.06	$ 0.06
Percentage Increase In Quarterly Cash Dividend					25.00%
Planned annual dividend					$ 0.30																		$ 0.24
First Quarter Dividend
Class Of Stock [Line Items]
Dividend payment date					Mar. 21, 2018								Mar. 28, 2017
Dividends payable, date of record					Mar. 09, 2018								Mar. 10, 2017
Second Quarter Dividend
Class Of Stock [Line Items]
Dividend payment date					Jun. 20, 2018								Jun. 28, 2017
Dividends payable, date of record					Jun. 08, 2018								Jun. 12, 2017
Third Quarter Dividend
Class Of Stock [Line Items]
Dividend payment date					Sep. 19, 2018								Sep. 21, 2017
Dividends payable, date of record					Sep. 10, 2018								Sep. 08, 2017
Fourth Quarter Dividend
Class Of Stock [Line Items]
Dividend payment date					Dec. 19, 2018								Dec. 20, 2017
Dividends payable, date of record					Dec. 10, 2018								Dec. 08, 2017
Accelerated Share Repurchase Agreement
Class Of Stock [Line Items]
Aggregate purchase price of common shares																									$ 200,000,000
Initial delivery of common shares received											6,578,947
Additional delivery of common shares received							350,006
Final delivery of common shares received						163,975
Delivery of weighted average price per share of common shares						$ 28.20
Share Repurchase Open Market
Class Of Stock [Line Items]
Aggregate amount of common stock shares repurchased																						$ 154,058,000	$ 19,784,000

Earnings Per Share - Additional Information (Detail) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Number of stock awards outstanding but not included in the computation of diluted earnings per common share	2,410,230	1,007,480	781,215

Earnings Per Share - Schedule of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Earnings Per Share (Abstract)

$ 282,019

$ 263,111

^[1]

$ 269,684

^[1]

Weighted average number of common shares used in computing basic earnings per common share

189,724,744

190,024,924

190,132,664

192,816,626

192,795,534

192,124,366

191,469,593

199,069,528

190,674,740

193,864,755

^[1]

206,861,536

^[1]

Dilutive effect of stock-based awards

3,305,298

3,184,797

3,264,487

Weighted average number of common shares used in computing dilutive earnings per common share

193,149,836

193,115,769

193,365,974

196,288,569

196,862,168

194,947,699

193,732,406

202,655,937

193,980,038

197,049,552

^[1]

210,126,023

^[1]

$ 0.42

$ 0.39

$ 0.34

$ 0.35

$ 0.38

$ 0.36

$ 0.27

$ 1.48

$ 1.36

^[1]

$ 1.30

^[1]

$ 0.41

$ 0.38

$ 0.33

$ 0.34

$ 0.38

$ 0.36

$ 0.26

$ 1.45

$ 1.34

^[1]

$ 1.28

^[1]

[1]

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1337-109256

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=109256448&loc=d3e4984-109258

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 220
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-Paragraph 2
-Subparagraph (SX 210.5-03(21))
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 60B
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109260490&loc=SL5780133-109256

+ Details

Component Of Operating Other Cost And Expense [Line Items]

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=109256448&loc=d3e4984-109258

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

+ Details

Cost of Revenue - Schedule of Cost of Revenue (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Component Of Operating Other Cost And Expense [Line Items]

$ 1,921,768

$ 1,681,438

^[1]

$ 1,554,340

^[1]

Personnel expenses

Component Of Operating Other Cost And Expense [Line Items]

1,322,651

1,153,479

1,061,134

Operational expenses

543,006

481,012

446,922

Component Of Operating Other Cost And Expense [Line Items]

Component Of Operating Other Cost And Expense [Line Items]

$ 56,111

$ 46,947

$ 46,284

[1]

Selling, General and Administrative Expenses - Schedule of Selling, General and Administrative Expenses (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Component Of Operating Other Cost And Expense [Line Items]

$ 693,865

^[1]

$ 689,461

^[2]

$ 652,967

^[2]

Personnel expenses

Component Of Operating Other Cost And Expense [Line Items]

518,897

501,059

469,894

Operational expenses

166,437

178,573

174,060

Component Of Operating Other Cost And Expense [Line Items]

$ 8,531

$ 9,829

$ 9,013

[1]

[2]

Other Operating (Income) Expense, Net - Schedule of Other Operating (Income) Expense, Net (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Other operating (income) expense

$ (455)

$ (7,277)

$ (1,266)

Provision for impairment of intangible assets and property, plant and equipment

4,265

9,311

11,195

Change in fair value of earn-out consideration and deferred consideration (relating to business acquisitions)

(5,655)

(3,695)

(14,869)

$ (1,845)

$ (1,661)

^[1]

$ (4,940)

^[1]

[1]

Interest Income (Expense), Net - Schedule of Interest Income (Expense), Net (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Interest income

$ 11,388

$ 8,182

$ 7,247

Interest expense

(48,507)

(39,917)

(23,431)

$ (37,119)

$ (31,735)

^[1]

$ (16,184)

^[1]

[1]

Income Taxes - Income Tax Expense (Benefit) (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Income Tax Disclosure [Line Items]

$ 80,763

$ 59,742

^[1]

$ 62,098

^[1]

Unrealized gains (losses) on cash flow hedges

(6,647)

457

23,809

ASU 2016-09 | Deferred tax benefit

(1,407)

$ 670

(1,885)

Retained earnings:

Reclassification from AOCI on early adoption of ASU 2018-02

$ (24,912)

ASU 2018-02

Retained earnings:

2,265

Reclassification to retained earnings on early adoption of ASU 2018-02

(2,265)

ASU 2014-09 | Deferred tax expense

Retained earnings:

$ 5,303

[1]

Income Taxes - Components of Income before Income Tax Expense from Continuing Operations (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Domestic (U.S.)

$ 49,986

$ 8,440

$ 44,110

Foreign (Non-U.S.)

312,035

312,143

285,535

Current Income Tax Expense (Benefit), Total

$ 362,021

$ 320,583

^[1]

$ 329,645

^[1]

[1]

Income Taxes - Income Tax Expense (Benefit) Attributable to Income from Continuing Operations (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Current tax expense :

Domestic (U.S. federal)

$ 6,466

$ 3,380

$ 78

Domestic (U.S. state)

3,508

1,268

1,069

Foreign (Non-U.S.)

64,735

65,485

30,497

74,709

70,133

31,644

Deferred tax expense (benefit) :

Domestic (U.S. federal)

6,577

3,549

11,379

Domestic (U.S. state)

(1,176)

(2,809)

(459)

Foreign (Non-U.S.)

653

(11,131)

19,534

Deferred Income Tax Expense (Benefit), Total

6,054

(10,391)

30,454

Total income tax expense (benefit)

$ 80,763

$ 59,742

^[1]

$ 62,098

^[1]

[1]

Income Taxes - Additional Information (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) Unit $ / shares	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($)
Income Tax Disclosure [Line Items]
U.S. federal corporate income tax rate	21.00%	35.00%	35.00%
Number of Special Economic Zone units held by Indian subsidiary eligible for tax holiday \| Unit	10
Net operating loss carryforwards	$ 276,040
Deferred tax assets related to net operating loss carryforwards, excluding state	59,153
Net operating loss of subsidiary, carried forward	164,014
Additional deferred tax assets for U.S. state and local tax loss carry-forwards	$ 4,859
Operating loss carry-forwards, expiration date, range start	2019
Operating loss carry-forwards, expiration date, range end	2037
Tax credit carry forward	$ 22,409
Cash and cash equivalents held by foreign (non-Bermuda) subsidiaries	363,560
Cash and cash equivalents	368,396	$ 504,468	$ 422,623	$ 450,907
Cash held by foreign subsidiary	131,617
Cash and cash equivalents held by foreign (non-Bermuda) subsidiaries for which no tax will accrue on repatriation of retained earnings indefinitely reinvested	231,943
Net tax expense in net deferred tax asset		3,182
Tax benefit relating to derivatives	2,265
Unrecognized tax benefits that would impact effective tax rate	25,485	24,877	22,469
Unrecognized tax benefits, interest on income taxes accrued	5,081	4,614	3,856
Unrecognized tax benefits, including exchange rate differences for interest recognized	467	758	367
Accrued penalties	995	1,033	977
Retained Earnings
Income Tax Disclosure [Line Items]
Repatriation of retained earnings	25,043
Foreign Tax Authority
Income Tax Disclosure [Line Items]
Tax credit carry forward	22,409
Early Adoption of ASU 2016-09
Income Tax Disclosure [Line Items]
Excess tax benefits relating to exercise of stock awards recorded through retained earnings			24,912
Income tax expense attributable to continuing operations	2,131	$ 1,723	1,004
ASU 2018-02
Income Tax Disclosure [Line Items]
Stranded tax effect in AOCI resulting from the Tax Act	$ 2,265
Foreign Subsidiary
Income Tax Disclosure [Line Items]
Operating loss carryforwards reversal of remaining valuation allowance			$ 3,377
Begin to Expire Date
Income Tax Disclosure [Line Items]
Tax holiday, expiring date	March 31, 2022
Fully Expired Date
Income Tax Disclosure [Line Items]
Tax holiday, expiring date	March 31, 2030
Tax Holiday For First 5 Years
Income Tax Disclosure [Line Items]
Tax holiday, period, in years	5 years
Percentage of tax holiday in respect to export profits	100.00%
Tax Holiday from year 6 to year 10
Income Tax Disclosure [Line Items]
Tax holiday, period, in years	5 years
Percentage of tax holiday in respect to export profits	50.00%
Tax Holiday from year 11 to year 15
Income Tax Disclosure [Line Items]
Tax holiday, period, in years	5 years
Percentage of tax holiday in respect to export profits	50.00%
Basic Earnings Per Share
Income Tax Disclosure [Line Items]
Earnings per share effect of tax holiday \| $ / shares	$ 0.13	$ 0.18	$ 0.19
Diluted Earnings Per Share
Income Tax Disclosure [Line Items]
Earnings per share effect of tax holiday \| $ / shares	$ 0.13	$ 0.18	$ 0.18

Income Taxes - Income Tax Expense (Benefit) Computed by Applying United States Federal Statutory Income Tax Rate to Income Before Income Taxes (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Computed expected income tax expense

$ 362,021

$ 320,583

^[1]

$ 329,645

^[1]

Statutory tax rates

21.00%

35.00%

$ 76,024

$ 112,204

$ 115,376

Increase (decrease) in income taxes resulting from:

Foreign tax rate differential

23,373

(25,224)

(18,574)

Tax benefit from tax holiday

(24,968)

(35,814)

(32,893)

Non-deductible expenses

3,245

3,985

4,559

Effect of change in tax rates

(147)

2,778

353

Change in valuation allowance

27,826

9,041

(4,830)

Unrecognized tax benefits

3,008

1,611

(627)

Other

^[2]

(27,598)

(8,839)

(1,266)

Total income tax expense (benefit)

$ 80,763

$ 59,742

^[1]

$ 62,098

^[1]

[1]

[2]

Following the transfer/closure of certain affiliated entities, deferred tax liabilities recorded against the outside basis difference were reversed amounting to $0, $9,600, $18,510 during the year ended December 31, 2016, 2017 and 2018. It was not more likely than not that the resulting net deferred tax asset would be realized. Therefore, a full valuation allowance was established to offset the reduction in deferred tax liabilities.

Income Taxes - Income Tax Expense (Benefit) Computed by Applying United States Federal Statutory Income Tax Rate to Income Before Income Taxes (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Reversal of deferred tax liabilities due to transfer/closure of certain affiliated entities	$ 18,510	$ 9,600	$ 0

Income Taxes - Components of Deferred Tax Balances (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

Deferred tax assets

Net operating loss carryforwards

$ 64,013

$ 55,500

Accrued liabilities and other expenses

36,812

41,177

Provision for doubtful debts

9,650

10,509

Property, plant & equipment and leased assets

7,904

6,179

Unrealized losses on cash flow hedges, net

672

275

Share-based compensation

18,236

19,789

Gross deferred tax assets

7,559

5,817

Contract liabilities

3,150

22,948

Tax credit carryforwards

22,409

35,322

Other

8,885

6,662

179,290

204,178

Less: Valuation allowance

(51,986)

(24,549)

$ (14,746)

$ (20,091)

Total deferred tax assets

127,304

179,629

Property, plant and equipment

74,566

^[1]

76,929

Deferred tax liabilities

Intangible assets

17,975

23,545

5,493

1,131

Deferred cost

2,725

33,816

Investments in foreign subsidiaries not indefinitely reinvested

4,835

18,949

Unrealized gains on cash flow hedges, net

8,990

14,711

Total deferred tax liabilities

12,957

7,145

Other

7,843

10,150

60,818

109,447

8,080

6,747

Net deferred tax asset

$ 66,486

$ 70,182

[1]

Income Taxes - Change in Total Valuation Allowance for Deferred Tax Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Opening valuation allowance	$ 24,549	$ 14,746	$ 20,091
Reduction during the year	(2,307)	(3,957)	(7,299)
Addition during the year	29,744	13,760	1,954
Closing valuation allowance	$ 51,986	$ 24,549	$ 14,746

Income Taxes - Remaining Tax Loss Carry Forwards Expiration (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
US - Federal
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	$ 8,069
US - Federal \| 2035
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	340
US - Federal \| 2036
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	477
US - Federal \| 2037
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	7,252
Europe
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	73,316
Europe \| 2020
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	2,952
Europe \| 2021
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	1,121
Europe \| 2022
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	5,904
Europe \| 2023
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	6,639
Europe \| 2024
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	771
Europe \| 2025
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	27,147
Europe \| 2026
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	234
Europe \| 2027
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	856
Europe \| 2028
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	34
Europe \| 2034
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	18,820
Europe \| 2035
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	8,838
Others
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	30,641
Others \| 2021
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	2,347
Others \| 2022
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	105
Others \| 2023
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	1,426
Others \| 2024
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	7,748
Others \| 2025
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	8,520
Others \| 2026
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	1,396
Others \| 2027
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	5,071
Others \| 2028
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	2,716
Others \| 2029
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	672
Others \| 2038
Operating Loss Carryforwards [Line Items]
Tax loss carry forwards subject to expiration	$ 640

Income Taxes - Foreign Tax Credit Expiry Period (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	$ 22,409
2023
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	355
2024
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	2,819
2025
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	8,395
2026
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	5,728
2027
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	1,250
2028
Tax Credit Carryforward [Line Items]
Foreign tax credit carryforward amount	$ 3,862

Income Taxes - Activities Related to Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Uncertainties [Abstract]
Beginning balance	$ 26,060	$ 23,467	$ 26,357
Increase related to prior year tax positions, including recorded in acquisition accounting	1,851	2,582	370
Decrease related to prior year tax positions	(153)	(1,398)	(1,506)
Decrease related to divesture of business			(345)
Decrease related to prior year tax position due to lapse of applicable statute of limitation	(1,841)	(1,019)	(2,122)
Increase related to current year tax positions, including recorded in acquisition accounting	2,408	1,661	3,225
Decrease related to settlements with tax authorities			(2,000)
Effect of exchange rate changes	(1,603)	767	(512)
Ending balance	$ 26,722	$ 26,060	$ 23,467

Segment Reporting - Net Revenues Disaggregated by Customer (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

^[1]

$ 2,570,756

^[1]

General Electric Company

268,210

269,217

357,894

Global Clients

$ 2,732,580

$ 2,467,712

$ 2,212,862

[1]

Segment Reporting - Net Revenues for Service Type (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Business process outsourcing

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

^[1]

$ 2,570,756

^[1]

Information technology services

2,502,806

2,264,335

2,083,450

$ 497,984

$ 472,594

$ 487,306

[1]

Segment Reporting - Revenues from Clients Based on Industry Serviced (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Banking, Financial Services and Insurance

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

^[1]

$ 2,570,756

^[1]

Consumer Goods, Retail, Life Sciences and Healthcare

1,099,189

1,090,134

1,021,609

High tech, Manufacturing and Services

891,640

832,088

769,432

$ 1,009,961

$ 814,707

$ 779,715

[1]

Segment Reporting - Net Revenues from Geographic Areas Based on Location of Service Delivery Centers (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

^[1]

$ 2,570,756

^[1]

India

1,739,455

1,712,783

1,804,113

Asia, other than India

327,462

286,338

249,839

North and Latin America

641,716

455,059

282,434

Europe

$ 292,157

$ 282,749

$ 234,370

[1]

Segment Reporting - Additional Information (Detail)	12 Months Ended
Segment Reporting - Additional Information (Detail)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Disclosure [Line Items]
Percentage of consolidated revenue not exceeded by any customer	10.00%	10.00%	10.00%
General Electric Company
Segment Reporting Disclosure [Line Items]
Percentage of revenues	9.00%	10.00%	14.00%

Segment Reporting - Property, Plant and Equipment, Net by Geographic Areas (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	$ 212,715	$ 207,030
India
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	130,824	125,490
Asia, other than India
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	14,866	15,899
Americas
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	46,763	38,438
Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant and equipment, net	$ 20,262	$ 27,203

Contract Balances - Additional Information (Detail)	12 Months Ended
Contract Balances - Additional Information (Detail)	Dec. 31, 2018
Revenues [Abstract]
Billing cycle period	30 days

Contract Balances - Details of Company's Contract Liabilities (Detail)
$ in Thousands

12 Months Ended

Dec. 31, 2018

USD ($)

Advance from customers, Opening balance

$ 26,266

Advance from customers, Gross opening balance

26,266

Advance from customers, Additions

33,328

Advance from customers, Effect of business combinations

273

Advance from customers, Revenue recognized

(32,091)

Advance from customers, Currency translation adjustments

(1,063)

Advance from customers, Gross closing balance

26,713

Advance from customers, Impact of closing balance offset with contract asset

(3,821)

Advance from customers, Closing balance

22,892

^[1]

Deferred transition revenue, Opening balance

101,785

Deferred transition revenue, Impact of opening balance offset

(21,348)

Deferred transition revenue, Gross opening balance

123,133

Deferred transition revenue, Additions

67,838

Deferred transition revenue, Effect of business combinations

Deferred transition revenue, Revenue recognized

(68,697)

Deferred transition revenue, Currency translation adjustments

(1,097)

Deferred transition revenue, Gross closing balance

121,252

Deferred transition revenue, Impact of closing balance offset with contract asset

(25,604)

Deferred transition revenue, Closing Balance

$ 95,648

^[1]

[1]	Included in "accrued expenses and other current liabilities" and "other liabilities" in the consolidated balance sheet.

Contract Balances - Estimated Revenue Expected to Recognized in Future Related to Remaining Performance Obligation (Detail 1) $ in Thousands	Dec. 31, 2018 USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 95,670
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 41,830
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 40,128
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 12,619
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 1,093
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period

Contract Balances - Estimated Revenue Expected to Recognized in Future Related to Remaining Performance Obligation (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation	$ 95,670

Contract Balances - Details of Company's Contract Assets (Detail)
$ in Thousands

12 Months Ended

Dec. 31, 2018

USD ($)

Impact of opening balance offset

$ 43,366

(21,348)

Gross opening balance

64,714

Additions

48,216

Reduction in revenue recognized

(38,470)

Gross closing balance

74,460

Impact of closing balance offset with contract liability

(29,425)

Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]

$ 45,035

^[1]

[1]	Included in "prepaid expenses and other current assets" and "other assets" in the consolidated balance sheet.

Contract Balances - Summary of Contract Cost Assets (Detail)
$ in Thousands

12 Months Ended

Dec. 31, 2018

USD ($)

Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]

$ 160,193

^[1],[2]

Sales Incentive Programs

23,227

Process Transition Activities

25,891

Amortization

14,788

Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]

139,284

Other Nonoperating Income Expense [Abstract]

134,302

Amortization

$ 70,775

[1]

[2]

Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Investment in equity affiliates	$ 836	$ 886
Affiliate of Significant Shareholder
Related Party Transaction [Line Items]
Recognized net revenues	714	398	$ 335
Non-Consolidating Affiliates
Related Party Transaction [Line Items]
Recognized net revenues		5,400	8,077
Cost of revenue	1,094	2,043	2,067
Selling, general and administrative expenses, net of recovery	191	315	291
Investment in equity affiliates		496
Charges to equity-method investment		2,849
Investment in equity affiliates	836	886
Cost reimbursements to non-consolidating affiliates		477	1,162
Non-Consolidating Affiliates \| U.K.
Related Party Transaction [Line Items]
Payment for affiliate under tax sharing arrangement		3,847
Significant Shareholder of Company
Related Party Transaction [Line Items]
Selling, general and administrative expenses, net of recovery	$ 30	57	$ 58
Cost reimbursements to non-consolidating affiliates		$ 127

Other Income (Expense), Net - Schedule of Other Income (Expense), Net (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Government incentives

$ 36,099

$ 26,882

Other income/(expense)

(338)

(3,296)

$ 9,691

Other Income (expense), net

$ 35,761

$ 23,586

^[1]

$ 9,691

^[1]

[1]

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Commitments And Contingencies [Line Items]
Bank guarantees, outstanding	$ 9,487	$ 8,879
Capital Addition Purchase Commitments
Commitments And Contingencies [Line Items]
Commitments and contingencies	$ 4,859	$ 8,314

Quarterly Financial Data (Unaudited) - Quarterly Financial Data (Detail) - USD ($)
$ / shares in Units, $ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

^[1]

Dec. 31, 2016

^[1]

Quarterly Financial Information Disclosure [Abstract]

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

$ 2,570,756

302,205

266,566

265,663

244,588

279,610

280,034

256,189

239,658

1,079,022

1,055,491

1,016,416

Income before equity-method investment activity, net and income tax expense

110,841

94,028

79,522

63,761

73,305

97,919

80,959

79,096

348,152

331,279

341,206

106,632

97,724

81,668

76,009

81,559

89,742

84,582

69,243

362,033

325,126

337,343

Net loss attributable to redeemable non-controlling interest

79,147

73,603

64,574

63,934

66,138

73,161

69,102

52,440

281,258

260,841

267,547

761

944

584

(156)

898

761

2,270

2,137

Net income attributable to Genpact Limited common shareholders

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

$ 282,019

$ 263,111

$ 269,684

Earnings per common share attributable to Genpact Limited common shareholders

$ 0.42

$ 0.39

$ 0.34

$ 0.35

$ 0.38

$ 0.36

$ 0.27

$ 1.48

$ 1.36

$ 1.30

Weighted average number of common shares used in computing earnings per common share attributable to Genpact Limited common shareholders

$ 0.41

$ 0.38

$ 0.33

$ 0.34

$ 0.38

$ 0.36

$ 0.26

$ 1.45

$ 1.34

$ 1.28

189,724,744

190,024,924

190,132,664

192,816,626

192,795,534

192,124,366

191,469,593

199,069,528

190,674,740

193,864,755

206,861,536

193,149,836

193,115,769

193,365,974

196,288,569

196,862,168

194,947,699

193,732,406

202,655,937

193,980,038

197,049,552

210,126,023

[1]

Subsequent Events - Additional Information (Detail) - $ / shares				1 Months Ended	12 Months Ended
	Feb. 15, 2019	Feb. 07, 2019	Feb. 12, 2018	Feb. 28, 2017	Dec. 31, 2017
Subsequent Event [Line Items]
Percentage increase in quarterly cash dividend			25.00%
Planned annual dividend			$ 0.30		$ 0.24
Quarterly dividend declared			$ 0.075	$ 0.06	$ 0.06
First Quarter Dividend
Subsequent Event [Line Items]
Dividend payment date			Mar. 21, 2018	Mar. 28, 2017
Dividends payable, date of record			Mar. 09, 2018	Mar. 10, 2017
Subsequent Event
Subsequent Event [Line Items]
Percentage increase in quarterly cash dividend		13.00%
Planned annual dividend		$ 0.34
Subsequent Event \| Underwritten Public Offering \| Common shares
Subsequent Event [Line Items]
Common stock shares issued in secondary offering	10.0
Common stock price per share	$ 32.215
Subsequent Event \| First Quarter Dividend
Subsequent Event [Line Items]
Quarterly dividend declared		$ 0.085
Dividend payment date		Mar. 20, 2019
Dividends payable, date of record		Mar. 08, 2019

Guarantor Financial Information - Additional Information (Detail) - Genpact Luxembourg S.à r.l. - 3.70% Senior Notes	Mar. 31, 2017 USD ($)
Debt Instrument [Line Items]
Principal amount of senior notes issued	$ 350,000,000
Interest rate on senior notes	3.70%

Guarantor Financial Information - Condensed Consolidating Balance Sheet (Detail) - USD ($)
$ in Thousands

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Dec. 31, 2015

$ 368,396

$ 504,468

$ 422,623

$ 450,907

774,184

693,085

212,477

^[1],[2]

236,342

Property, plant and equipment, Net

1,355,057

1,433,895

212,715

207,030

74,566

^[3]

76,929

836

886

177,087

131,590

1,393,832

1,337,122

1,069,408

^[1],[3]

160,193

155,159

^[1],[2]

262,169

3,529,445

3,449,621

295,000

170,000

33,483

39,226

42,584

15,050

33,895

30,026

571,350

^[2]

584,482

976,312

838,784

975,645

1,006,687

8,080

6,747

165,226

^[2]

168,609

2,125,263

2,020,827

4,750

4,520

1,404,182

1,424,044

1,286,648

1,304,356

Total liabilities, redeemable non-controlling interest and equity

3,529,445

3,449,621

Eliminations

Accounts receivable intercompany, net

(89,958)

(82,935)

(2,284,486)

(1,815,391)

(203,544)

(197,163)

(2,577,988)

(2,095,489)

(600,000)

(500,000)

Investment in debentures/bonds, intercompany

(4,179,210)

(3,819,975)

(622,312)

(717,909)

(83,169)

(49,761)

(8,062,679)

(7,183,134)

Intercompany accounts payable

(2,284,486)

(1,815,391)

(89,958)

(82,935)

(203,544)

(197,163)

(2,577,988)

(2,095,489)

Non-current intercompany loans payable

(83,169)

(49,761)

(1,222,312)

(1,217,909)

(3,883,469)

(3,363,159)

(4,179,210)

(3,819,975)

Total liabilities, redeemable non-controlling interest and equity

(8,062,679)

(7,183,134)

Issuer/Subsidiary | Reportable Legal Entities

Accounts receivable intercompany, net

12,797

4,507

11,215

916

89,958

82,935

447,578

194,854

33,224

25,343

2,242

311

Property, plant and equipment, Net

585,799

307,950

388

391

100,000

Investment in debentures/bonds, intercompany

548,654

426,410

571,919

717,909

682

1,807,442

1,452,660

100,000

128,572

38,000

4,961

1,636

103

885

47,844

29,526

5,248

5,995

288,261

74,509

Non-current intercompany loans payable

440,665

347,761

500,000

197

1,211

1,229,123

923,481

578,319

529,179

Total liabilities, redeemable non-controlling interest and equity

1,807,442

1,452,660

Parent/Guarantor | Reportable Legal Entities

2,505

2,136

7,849

7,277

1,300

52,783

82,631

1,278

1,276

57,866

86,043

Investment in debentures/bonds, intercompany

3,073,467

2,864,386

50,393

83,169

49,761

3,264,895

3,000,190

1,849,537

1,597,537

520

70,973

59,266

5,157

2,390

1,926,187

1,659,251

154

153

1,926,341

1,659,404

1,338,554

1,340,786

Total liabilities, redeemable non-controlling interest and equity

3,264,895

3,000,190

Non-Guarantor Subsidiaries | Reportable Legal Entities

353,094

497,825

$ 403,559

$ 442,714

774,184

693,085

1,835,608

1,620,537

117,537

89,189

208,957

234,755

Property, plant and equipment, Net

3,289,380

3,135,391

212,327

206,639

500,000

74,566

76,929

557,089

529,179

836

886

177,087

131,590

1,393,832

1,337,122

160,193

154,477

262,169

6,519,787

6,179,905

195,000

170,000

306,377

179,854

28,522

39,226

Intercompany accounts payable

40,428

14,889

89,958

82,935

33,895

29,141

84,727

108,371

560,945

576,097

1,339,852

1,200,513

534,980

658,926

8,080

6,747

Non-current intercompany loans payable

83,169

49,761

722,312

717,909

164,875

167,245

2,853,268

2,801,101

4,750

3,666,519

3,374,054

Total liabilities, redeemable non-controlling interest and equity

$ 6,519,787

$ 6,179,905

[1]	As a result of its adoption of ASC 606, the Company has reclassified deferred transition costs from “Prepaid expenses and other current assets” amounting to $48,704 and “Other assets” amounting to $85,598 to “Contract cost assets” amounting to $134,302.
[2]	As a result of its adoption of ASC 606, the company has offset contract assets amounting to $7,890 under “Prepaid expenses and other current assets” and $21,535 under “Other assets” against contract liabilities amounting $10,289 under “Accrued expenses and other current liabilities” and $19,136 under “Other liabilities” related to the same customer contract.
[3]	The cumulative impact of the adoption of ASC 606 resulted in a $160,193 increase in "Contract cost assets," which includes the reclassification of $134,302 (refer to note a in the table above) and a closing balance of $25,891 related to sales incentive programs, with a corresponding impact on retained earnings of $ 19,907 and on deferred tax assets of $5,984 which has been offset against deferred tax assets.

Guarantor Financial Information - Condensed Consolidating Statement of Income (Loss) (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

$ 835,339

$ 747,978

$ 728,561

$ 688,912

$ 734,413

$ 708,824

$ 670,697

$ 622,995

$ 3,000,790

$ 2,736,929

^[1]

$ 2,570,756

^[1]

1,921,768

1,681,438

^[1]

1,554,340

^[1]

302,205

266,566

265,663

244,588

279,610

280,034

256,189

239,658

1,079,022

1,055,491

^[1]

1,016,416

^[1]

693,865

^[2]

689,461

^[1]

652,967

^[1]

38,850

36,412

^[1]

27,183

^[1]

(1,845)

(1,661)

^[1]

(4,940)

^[1]

110,841

94,028

79,522

63,761

73,305

97,919

80,959

79,096

348,152

331,279

^[1]

341,206

^[1]

15,239

1,996

^[1]

2,630

^[1]

(37,119)

(31,735)

^[1]

(16,184)

^[1]

Income before equity-method investment activity, net and income tax expense

35,761

23,586

^[1]

9,691

^[1]

106,632

97,724

81,668

76,009

81,559

89,742

84,582

69,243

362,033

325,126

^[1]

337,343

^[1]

Gain (loss) on equity-method investment activity, net

(12)

(4,543)

^[1]

(7,698)

^[1]

362,021

320,583

^[1]

329,645

^[1]

80,763

59,742

^[1]

62,098

^[1]

Net loss attributable to redeemable non-controlling interest

79,147

73,603

64,574

63,934

66,138

73,161

69,102

52,440

281,258

260,841

^[1]

267,547

^[1]

761

944

584

(156)

898

761

2,270

^[1]

2,137

^[1]

Net income attributable to Genpact Limited shareholders

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

282,019

263,111

^[1]

269,684

^[1]

Eliminations

(50,356)

(46,722)

(39,518)

(50,356)

(46,722)

(39,518)

(50,422)

(69,619)

(41,984)

Income before equity-method investment activity, net and income tax expense

22,897

2,466

22,897

2,466

Gain (loss) on equity-method investment activity, net

(532,764)

(359,475)

(456,142)

(532,698)

(336,578)

(453,676)

Net income attributable to Genpact Limited shareholders

(532,698)

(336,578)

(453,676)

(532,698)

(336,578)

(453,676)

Issuer/Subsidiary | Reportable Legal Entities

50,356

46,722

39,518

50,356

46,722

39,518

11,324

9,859

9,499

(17,599)

(3,412)

(4,043)

56,583

40,275

34,062

449

3,312

(1,633)

Intercompany interest income (expense), net

(16,504)

(11,375)

(1,358)

77,857

47,547

81,359

Income before equity-method investment activity, net and income tax expense

18,391

(829)

118,385

98,150

111,601

Gain (loss) on equity-method investment activity, net

62,501

(15,058)

29,969

180,886

83,092

141,570

6,124

7,435

8,384

Net income attributable to Genpact Limited shareholders

174,762

75,657

133,186

174,762

75,657

133,186

Parent Company | Reportable Legal Entities

5,188

(5,188)

23,703

21,076

12,772

(500)

(28,891)

(21,076)

(12,272)

Intercompany interest income (expense), net

845

(19,279)

(10,148)

Income before equity-method investment activity, net and income tax expense

(3,390)

(47,325)

(31,222)

(15,605)

Gain (loss) on equity-method investment activity, net

346,960

294,333

285,289

299,635

263,111

269,684

Net income attributable to Genpact Limited shareholders

299,635

263,111

269,684

299,635

263,111

269,684

Non-Guarantor Subsidiaries | Reportable Legal Entities

3,000,790

2,736,929

2,570,756

1,916,580

1,681,438

1,554,340

1,084,210

1,055,491

1,016,416

709,260

728,145

672,680

38,802

36,412

27,183

15,754

1,751

(397)

320,394

289,183

316,950

13,945

(1,318)

4,206

Intercompany interest income (expense), net

(20,615)

(20,360)

(14,826)

(58,578)

(37,399)

(81,359)

Income before equity-method investment activity, net and income tax expense

35,761

5,195

13,910

290,907

235,301

238,881

Gain (loss) on equity-method investment activity, net

123,291

75,657

133,186

414,198

310,958

372,067

74,639

52,307

53,714

Net loss attributable to redeemable non-controlling interest

339,559

258,651

318,353

761

2,270

2,137

Net income attributable to Genpact Limited shareholders

$ 340,320

$ 260,921

$ 320,490

[1]

[2]

Guarantor Financial Information - Condensed Consolidating Statement of Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2018

Sep. 30, 2018

Jun. 30, 2018

Mar. 31, 2018

Dec. 31, 2017

Sep. 30, 2017

Jun. 30, 2017

Mar. 31, 2017

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

$ 79,147

$ 73,603

$ 64,574

$ 64,695

$ 67,082

$ 73,745

$ 68,946

$ 53,338

$ 282,019

$ 263,111

^[1]

$ 269,684

^[1]

Net income (loss) on cash flow hedging derivatives, net of taxes

(109,656)

93,871

(46,340)

(46,293)

12,611

43,742

1,454

(3,787)

(4,042)

(154,495)

102,695

(6,640)

Redeemable non-controlling interest, Net income (loss)

127,524

365,806

263,044

$ (761)

$ (944)

$ (584)

$ 156

$ (898)

(761)

(2,270)

^[1]

(2,137)

^[1]

Redeemable non-controlling interest, Other comprehensive income:

Redeemable non-controlling interest, Currency translation adjustments

(424)

(341)

104

Redeemable non-controlling interest, Other comprehensive income (loss)

(424)

(341)

104

Redeemable non-controlling interest, Comprehensive income (loss)

(1,185)

(2,611)

(2,033)

Eliminations

(532,698)

(336,578)

(453,676)

Net income (loss) on cash flow hedging derivatives, net of taxes

181,727

(168,587)

78,019

45,795

(22,399)

(85,758)

(1,264)

3,312

4,759

226,258

(187,674)

(2,980)

Issuer/Subsidiary | Reportable Legal Entities

(306,440)

(524,252)

(456,656)

174,762

75,657

133,186

Net income (loss) on cash flow hedging derivatives, net of taxes

(72,071)

74,716

(31,679)

498

9,788

42,016

(190)

475

(717)

(71,763)

84,979

9,620

Parent Company | Reportable Legal Entities

102,999

160,636

142,806

299,635

263,111

269,684

Net income (loss) on cash flow hedging derivatives, net of taxes

(109,656)

93,871

(46,340)

(46,293)

12,611

43,742

1,454

(3,787)

(4,042)

(154,495)

102,695

(6,640)

Non-Guarantor Subsidiaries | Reportable Legal Entities

145,140

365,806

263,044

340,320

260,921

320,490

Net income (loss) on cash flow hedging derivatives, net of taxes

(109,656)

93,871

(46,340)

(46,293)

12,611

43,742

1,454

(3,787)

(4,042)

(154,495)

102,695

(6,640)