Employee advances Nontrade Receivables, Current Schedule of Aggregate Notional Principal Amounts of Outstanding Derivative Financial Instruments Schedule Of Aggregate Notional Amounts Of Outstanding Derivative Instrument Together With Related Balance Sheet Exposure Table [Text Block] A table or schedule that identifies and provides pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments which includes a combination of the type of instrument, currency being hedged, notional amount, balance sheet exposure asset (liability), or other relevant item. Accumulated amortization  & Impairment Finite-Lived Intangible Assets, Accumulated Amortization Revision of Prior Period [Axis] Revision of Prior Period [Axis] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional  Paid-in Capital Additional Paid-in Capital [Member] Other operating (income) expense Other Operating Income Expense Amount of other operating income (expenses), not previously categorized, from items that are associated with the entity's operation. Tabular List, Table Tabular List [Table Text Block] Recently issued accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fair value measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] United States Dollars (sell) Hungarian Forint (buy) United States Dollars Sell Hungarian Forint Buy [Member] United States Dollars Sell Hungarian Forint Buy. Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Net revenues Revenue from Contract with Customer [Text Block] Issuance of common shares under the employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans United States Dollars (sell) Indian Rupees (buy) United States Dollars Sell Indian Rupees Buy [Member] United States Dollars Sell Indian Rupees Buy [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Principles of consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation expense Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Advance income and non-income-based taxes Prepaid Taxes Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Interest income (expense), net Interest Income and Interest Expense Disclosure [Text Block] Cash paid during the period for income taxes, net of refund Income Taxes Paid Finance lease, liability, noncurrent, statement of financial position [extensible list] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Total equity Beginning balance, value End balance, value Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Schedule of Estimated Useful Lives of Property, Plant and Equipment Schedule of Gross and Net Amount of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common shares, authorized (in shares) Common Stock, Shares Authorized Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Deferred Compensation Arrangement with Individual, Excluding Share-Based Payment and Postretirement Benefit [Table] Credit facility, base rate (in percentage) Line of Credit Facility, Interest Rate at Period End Liabilities and equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Vested and exercisable (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Intangible assets estimated useful lives Finite-Lived Intangible Asset, Useful Life Intangible assets, net Net Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Amended 2015 Facility Amended Two Thousand Fifteen Credit Facility [Member] Amended two thousand fifteen credit facility. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Accrued expenses and other current liabilities Accrued Expenses And Other Current Liabilities [Member] Accrued Expenses And Other Current Liabilities [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other assets Other Assets [Member] Earn-out consideration Earn-out consideration Earn-Out Consideration, Liability Earn-Out Consideration, Liability Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Schedule of Prepaid Expenses and Other Current Assets Schedule of Other Current Assets [Table Text Block] Number of countries in which entity operates Number of Countries in which Entity Operates Operating lease liabilities Operating Lease, Liability, Current 2022 Facility 2022 Credit Agreement [Member] 2022 Credit Agreement Computer software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Payment for stock repurchased and retired (including expenses related to stock repurchased) Payments For Repurchase Of Common Stock, Including Related Expenses Payments For Repurchase Of Common Stock, Including Related Expenses Other Comprehensive Income Loss [Table] Other Comprehensive Income Loss [Table] Other Comprehensive Income (Loss) [Table] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Contract liabilities Contract with Customer, Liability, Noncurrent Hedging Relationship Hedging Relationship [Domain] Trading Symbol Trading Symbol Business combinations Business Combination [Policy Text Block] Performance units vesting right (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Vesting Right Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Vesting Right Employer discretionary vesting (in percentage) Deferred Compensation Arrangement Employer Discretionary Vesting Percentage Deferred compensation arrangement, employer discretionary, vesting percentage. Deposits Deposits Assets, Current Entity Address, City or Town Entity Address, City or Town Utilization of credit facility for non fund-based usage Utilization Of Credit Facility For Non Fund Based Usage This element represents the utilization of credit facility for non-fund based usage for short term in the form of overdraft, letter of credit, guarantees, short term loans excluding forward hedging. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Income Statement Location Statement of Income Location, Balance [Domain] Credit losses Credit Loss, Financial Instrument [Policy Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Purchase consideration Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company Payment for internally generated intangible assets (including intangible assets under development) Payments to Acquire Intangible Assets Outstanding, shares arising out of options, beginning balance (in shares) Outstanding, shares arising out of options, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Accrued employee cost Accrued Employee Benefits Additions (net of redemption) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Common shares, outstanding (in shares) Beginning balance (in shares) End balance (in shares) Common Stock, Shares, Outstanding Allowance for credit losses (refer to Note 4) Accounts Receivable, Credit Loss Expense (Reversal) Accounts receivable, net of allowance for credit losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Line Items] Goodwill And Intangible Assets Disclosure [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Net settlement on vesting of performance units (Note 15) Performance Unit Value Shares Issued Net Of Tax Withholdings The value of shares awarded to employees, net of the value of shares for the payment of withholding taxes for meeting certain performance targets. This element is to be used only if shares are used in lieu of cash to satisfy all or a portion of withholding taxes. Unrealized loss/(gain) on revaluation of foreign currency assets/liabilities Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Income taxes payable Accrued Income Taxes, Current 2017 Omnibus Incentive Compensation Plan Two Thousand Seventeen Omnibus Plan [Member] Two Thousand Seventeen Omnibus Plan [Member] Issuance of common shares on exercise of options (Note 15) Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Information [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Intangible assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Prepaid expenses and other current assets Total Prepaid Expense and Other Assets, Current Number of Restricted Share Units Number of Performance Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax expense Income tax expense Income Tax Expense (Benefit) Debt instrument, basis spread on variable rate (in percentage) Debt Instrument, Basis Spread on Variable Rate Opening balance Closing balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Preferred shares, issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value, Inputs, Level 2 Fair Value Hierarchy and NAV [Axis] Hedging Relationship Hedging Relationship [Axis] Schedule of Contract Cost Assets Capitalized Contract Cost [Table Text Block] Gain (loss) on cash flow hedging derivatives, net of taxes (Note 6) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Property, plant and equipment, gross Property, Plant and Equipment, Gross Advances to suppliers Advances To Suppliers Advance payment to suppliers for which goods and services are to be received within one year or normal operating cycle whichever is longer. Outstanding maximum shares eligible to receive, beginning balance (in shares) Outstanding maximum shares eligible to receive, ending balance (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Maximum Shares Eligible To Receive Represents the maximum number of shares to be issued to the employee against the outstanding performance awards, upon the fulfillment of performance condition. United States Dollars (sell) Brazilian Real (buy) United States Dollar Sell Brazilian Real Buy [Member] United States Dollar Sell Brazilian Real Buy Israeli Shekel (buy) United States Dollars (sell) Israel Shekel Sell United States Dollar Buy [Member] Israel Shekel Sell United States Dollar Buy Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Goodwill relating to acquisitions consummated during the period Goodwill, Acquired During Period Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Payment for business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Debt repurchase price as percentage of aggregate principal value upon certain change of controls (in percentage) Debt Instrument, Redemption Price, Percentage Vested and expected to vest (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued expenses Accrued Liabilities, Current Class of Treasury Stock [Table] Class of Treasury Stock [Table] Outstanding number of shares (in shares), beginning balance Outstanding number of shares (in shares), ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Unrecognized stock-based compensation cost for options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Other asset Business Combination, Recognized Asset Acquired, Other Asset Business Combination, Recognized Asset Acquired, Other Asset Net cash provided by (used for) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation AOI Adjusted Income Loss From Operations Adjusted income loss from operations. Consumer and Healthcare Consumer And Healthcare [Member] Consumer goods, retail, life sciences and healthcare. Euro (sell) United States Dollars (buy) Euro Sell United States Dollars Buy [Member] Euro Sell United States Dollars Buy [Member] Property, plant and equipment, estimated useful lives Property, Plant and Equipment, Useful Life Preferred shares, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Genpact UK Finco plc and Genpact USA Genpact UK Finco plc and Genpact USA [Member] Genpact UK Finco plc and Genpact USA Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation and amortization Depreciation and amortization Depreciation Vested and expected to vest thereafter, weighted average exercise price (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Other liabilities Other Liabilities Disclosure [Text Block] Equity Components Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Euro (sell) Romanian Leu (buy) Euro Sell Romanian Leu Buy [Member] Euro Sell Romanian Leu Buy [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Maximum increase in downgrade of credit rating of notes to adjust interest rate payable (in percentage) Maximum Increase In Downgrade Of Credit Rating Of Notes To Adjust Interest Rate Payable Maximum increase in downgrade of credit rating of notes to adjust interest rate payable. Revenue Sales [Member] Entity Address, Country Entity Address, Country Repayment of finance lease obligations Finance Lease, Principal Payments Performance units vesting right, fair value (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Vesting Right, Fair Value, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Award Vesting Right, Fair Value, Shares Dividend Dividends common stock Dividends, Common Stock Total current liabilities Liabilities, Current Long-term Purchase Commitment, Category of Item Purchased Long-Term Purchase Commitment, Category of Item Purchased [Domain] Individual: Individual [Axis] Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Defined contribution plans, contributed amount Defined Contribution Plan, Cost Dividend paid Payments of Ordinary Dividends, Common Stock United States Dollars (sell) Costa Rica Colon (buy) United States Dollar Sell Costa Rica Colon Buy [Member] United States Dollar Sell Costa Rica Colon Buy Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Adjustment upon final determination of level of performance goal achievement (in usd per share) Weighted Average Fair Value Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Higher Than Target Performance The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan). Repayment of long-term debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Vested and exercisable as of March 31, 2026 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Financial instruments and concentration of credit risk Financial Instruments And Concentration Of Credit Risk Policy [Policy Text Block] It represents the nature of financial instruments that subject the Company to concentration of credit risk. Contract liabilities [Table] Disaggregation of Revenue [Table] Increase in quarterly cash dividend (in percentage) Percentage Increase In Quarterly Cash Dividend Percentage increase in quarterly cash dividend. Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Fund-based and non-fund-based credit facilities limits available Fund Based Non Fund Based Credit Facility Limit Limit available for fund based and non fund based credit facilities with banks for short term in the form of overdraft, letter of credit, guarantees, short term loans excluding forward hedging. Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Increase in prepaid expenses, other current assets, contract cost assets, operating lease right-of-use assets and other assets Increase (Decrease) In Prepaid Expenses Other Current Assets Contract Cost Assets Operating Lease Right Of Use Assets And Other Assets Increase decrease in prepaid expenses, other current assets, contract cost assets, operating lease right-of-use assets and other assets. Opening balance, before tax amount Closing balance, before tax amount AOCI before Tax, Attributable to Parent Foreign exchange gains (losses), net Forward Foreign Exchange Contracts [Member] Forward Foreign Exchange Contracts [Member] Other assets, net of allowance for credit losses of $10,659 and $12,435 as of December 31, 2025 and March 31, 2026, respectively Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Maturity Profile of the Term Loan Outstanding Schedule of Maturities of Long-Term Debt [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Opening balance Closing balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Contract liabilities Contract with Customer, Liability, Current Schedule of Other Operating (Income) Expense, Net Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Schedule of Fair Value of the Company’s Derivative Instruments and Their Location in the Company’s Financial Statements Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Unrecognized stock-based compensation cost Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Subsequent Event Type [Axis] Subsequent Event Type [Axis] Long-term debt, less current portion Non-current portion Long-Term Debt, Excluding Current Maturities Allowance for credit losses current period charge Allowance (Release) For Credit Losses Other Assets Current Period Charge Allowance (Release) For Credit Losses Other Assets Current Period Charge Balance Sheet Location Statement of Financial Position Location, Balance [Axis] Vesting Vesting [Domain] Gross  carrying amount Finite-Lived Intangible Assets, Gross Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Japanese Yen (sell) United States Dollars (buy) Japanese Yen Sell United States Dollar Buy [Member] Japanese Yen Sell United States Dollar Buy Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Decrease in accrued expenses, other current liabilities, operating leases liabilities and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Amount of Gain (Loss) recognized in Statement of Income on Derivatives Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Weighted average remaining contractual life (years) Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Derivative financial instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Vested in period, issued during period end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Issued During Period End Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Issued During Period End Advanced Technology Solutions Advanced Technology Solutions [Member] Advanced Technology Solutions Other liabilities Other Liabilities [Member] Fair Value as of Grant Date Award Grant Date Fair Value One-Year Anniversary of Approval of Contribution Vesting Period One [Member] Vesting Period One [Member] Deferred compensation plan liability Deferred Compensation Liability, Current and Noncurrent 2024 Senior Notes Two Thousand Twenty Four Senior Notes [Member] Two Thousand Twenty Four Senior Notes Factoring facility maximum capacity Accounts Receivable Factoring Facility, Maximum Capacity Accounts Receivable Factoring Facility, Maximum Capacity Schedule of Company’s Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Granted (in shares) Granted, number of shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Forfeited, number of shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Aggregate intrinsic value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Restricted stock unit vesting right (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Right Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Right Document Quarterly Report Document Quarterly Report Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Outstanding weighted average remaining contractual life, beginning balance (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Interest expense Interest and Debt Expense Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] Schedule Of Significant Accounting Policies [Line Items] Non-PEO NEO Non-PEO NEO [Member] Outstanding as of March 31, 2026 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Issuance of common shares under the employee stock purchase plan (Note 15) Stock Issued During Period, Value, Employee Stock Purchase Plan Genpact Luxembourg S.r.l. Subsidiary Issuer [Member] Award Type [Domain] Award Type [Domain] Amount of Gain (Loss) recognized in OCI on Derivatives (Effective Portion) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Expenses and taxes related to stock repurchased (Note 16) Expenses Related To Stock Repurchase, Net Of Tax Expenses related to stock repurchase extension. Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Others, net Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Contract Liabilities [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name Debt Instrument, Name [Domain] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Forward foreign exchange contracts Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized in contract liabilities balance Contract with Customer, Liability, Revenue Recognized High Tech and Manufacturing High Tech And Manufacturing [Member] High tech, manufacturing and services. Reporting Unit Reporting Unit [Domain] China CHINA Statutory liabilities Statutory Liabilities Current Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Schedule of Allowance for Credit Losses on Accounts Receivable Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Revenues [Abstract] Revenues [Abstract] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Domain] 2027 Long-Term Debt, Maturity, Year One Additions (net of redemption) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Schedule of Gains (Losses) Recorded as a Component of Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Award Date [Domain] Award Date [Domain] Performance Units Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Internally Developed and Other Intangible Assets Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Impact of measurement period adjustments Goodwill, Measurement Period Adjustment Company Selected Measure Name Company Selected Measure Name Share Repurchase Open Market Share Repurchase Open Market [Member] Share repurchase open market. Prior to 2023 Prior to Two Thousand Twenty Three [Member] Prior to Two Thousand Twenty Three Cost of revenue Cost of Goods and Service [Policy Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount United States Dollars (sell) Polish Zloty (buy) United States Dollars Sell Polish Zloty Buy [Member] United States Dollars Sell Polish Zloty Buy Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Goodwill [Roll Forward] Goodwill [Roll Forward] Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted average number of common shares used in computing diluted earnings per common share ( in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Entity Small Business Entity Small Business Ownership percentage acquired (in percentage) Business Combination, Voting Equity Interest Acquired, Percentage Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Long-term debt Long-Term Debt [Text Block] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Schedule of Defined Contribution Plans Defined Contribution Plan Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Income taxes Income Tax Disclosure [Text Block] Allowance for credit losses Opening balance as of January 1 Closing balance Accounts Receivable, Allowance for Credit Loss Bank guarantees and letters of credits, outstanding Contractual Obligation U.K. UNITED KINGDOM Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Vested and exercisable, weighted average remaining contractual life (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Common stock shares repurchased price per share (in usd per share) Shares Acquired, Average Cost Per Share Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] Term SOFR adjustment (in percentage) Term SOFR Adjustment Term SOFR Adjustment Document Type Document Type (Level 3) Fair Value, Inputs, Level 3 [Member] Earnings per share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service [Axis] Product and Service [Axis] Change in fair value of plan assets Income Expense On Deferred Compensation Arrangement Plan Assets Income (expense) on deferred compensation arrangement, plan assets. Net revenues Net revenues Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Vested and expected to vest thereafter, shares arising out of options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Stock repurchase authorized amount Share Repurchase Program, Authorized, Amount Vehicles Vehicles [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Exercised, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Payment for net settlement of stock-based awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income Net Income (Loss) Available to Common Stockholders, Basic Share Repurchase Program Share Repurchase Program [Domain] Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities Liabilities, Current [Abstract] Pound Sterling (sell) United States Dollars (buy) Pound Sterling Sell United States Dollar Buy [Member] Pound Sterling Sell United States Dollar Buy Schedule of Gains or Losses Recognized in Other Comprehensive Income (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Options granted, contractual period, years Share Based Compensation Arrangement By Share Based Payment Award Contractual Period Share based compensation arrangement by share based payment Award contractual period. (Level 1) Fair Value, Inputs, Level 1 [Member] Diluted (in usd per share) Earnings Per Share, Diluted Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Accounts receivable, net of allowance for credit losses of $22,097 and $22,708 as of December 31, 2025 and March 31, 2026, respectively Accounts receivable, after allowance for credit loss, current Accounts Receivable, after Allowance for Credit Loss, Current AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Net deferred tax liability Business Combination, Recognized Liability Assumed, Net Deferred Tax Liability Business Combination, Recognized Liability Assumed, Net Deferred Tax Liability Consolidation Items Consolidation Items [Domain] Deferred Compensation Liabilities Deferred Compensation Liabilities [Member] Deferred compensation liabilities. Gross profit Gross Profit Stock repurchased and retired (Note 16) Stock Repurchased and Retired During Period, Value Defined benefit plan amount recognized Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Goodwill And Intangible Assets Disclosure [Table] Goodwill And Intangible Assets Disclosure [Table] Goodwill and Intangible Assets Disclosure [Table] Accrued employee cost Employee-related Liabilities, Current Property, plant and equipment, net Property, Plant and Equipment Disclosure [Text Block] Expiration Date Trading Arrangement Expiration Date Product Information [Line Items] Product Information [Line Items] Other Regions Other Regions [Member] Other regions. Property, plant and equipment, net Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Decrease (increase) in accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities Consolidated Entities [Domain] Net settlement on vesting of restricted share unit (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Compensation expense for ESPP Employee Stock Ownership Plan (ESOP), Compensation Expense Other operating (income) expense, net Other operating (income) expense, net Other Operating Income (Expense), Net Finance lease liabilities Finance Lease, Liability, Current Current Fiscal Year End Date Current Fiscal Year End Date Technology-related intangible assets Technology-related intangible assets Technology-Based Intangible Assets [Member] Expected life (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Principal amount of term loan Line Of Credit Long Term Facility Principal Amount It represents the principal amount of the long term borrowing under the credit facility. Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] India INDIA Derivative instruments Derivative Liability Maximum percentage of employee's base salary allowed to be purchased (in percentage) Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Weighted average grant date fair value of grants during the period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Schedule of Fair Value Measurements of Financial Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Unrecognized tax benefits Unrecognized Tax Benefits Number of stock awards outstanding but not included in the computation of diluted earnings per common share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average number of common shares used in computing earnings per common share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Net cash used for financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total debt issuance cost Debt Issuance Costs, Noncurrent, Net Measure: Measure [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount United States Dollars (sell) Mexican Peso (buy) United States Dollars Sell Mexican Peso Buy [Member] United States Dollars Sell Mexican Peso Buy [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free rate of interest for expected life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Australian Dollars (sell) Indian Rupees (buy) Australian Dollars Sell Indian Rupees Buy [Member] Australian dollars (sell) indian rupees (buy). Entity Tax Identification Number Entity Tax Identification Number Outstanding weighted average exercise price, beginning balance (in usd per share) Outstanding weighted average exercise price, ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Common shares, issued (in shares) Common Stock, Shares, Issued Goodwill and intangible assets Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Changes in Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Derivative instruments Derivative Asset, Current Increase in income taxes payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Change in fair value of deferred compensation plan liabilities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Others Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year Capital Addition Purchase Commitments Capital Addition Purchase Commitments [Member] Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Prepaid expenses Prepaid Expense, Current Operating expenses: Operating Expenses [Abstract] Accrued expenses and other current liabilities Total Other Liabilities, Current Asset Class [Domain] Asset Class [Domain] Retirement benefits Liability, Defined Benefit Plan, Noncurrent Change in fair value of deferred compensation plan assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Statement [Line Items] Statement [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Commitment fee (in percentage) Unutilized Amount Of Line Of Credit Facility Commitment Fee Percentage It represents the fee, expressed as a percentage of the unutilized amount of the line of credit facility. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Net settlement on vesting of restricted share units (Note 15) Restricted Stock, Value, Shares Issued Net of Tax Withholdings Subsequent Event [Line Items] Subsequent Event [Line Items] Amended omnibus plan, increase in number of common shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Common shares Common Stock [Member] Vested, number of shares (in shares) Vested (in shares) Vested, number of shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Earnings receivable lump sum or annual installment maximum terms Deferred Compensation Arrangement with Individual, Maximum Contractual Term Dilutive effect of stock-based awards (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Summary of significant accounting policies Significant Accounting Policies [Text Block] Accounts receivable, sale Accounts Receivable, Sale Statistical Measurement Statistical Measurement [Domain] Capitalized Contract Cost Capitalized Contract Cost [Axis] Foreign Plan Foreign Plan [Member] Revenue, remaining performance obligation, expected timing of satisfaction, start date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Goodwill deductible for tax purposes Business Combination, Goodwill, Expected Tax Deductible, Amount Asset Class [Axis] Asset Class [Axis] Interest rate swaps Interest Rate Swap [Member] Impairment of long-lived assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Adjustment upon final determination of level of performance goal achievement (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Increase Decrease In Shares, Final Determination Of Level Of Performance Goal Achievement Number Share based compensation arrangement by share-based payment award equity instruments other than options increase decrease in shares upon final determination of level of performance goal achievement, performance number of shares. Earnings per common share Earnings Per Share, Basic [Abstract] Intangible Asset, Acquired, Finite-Lived [Line Items] Intangible Asset, Acquired, Finite-Lived [Line Items] Increase (decrease) in accounts payable Increase (Decrease) in Accounts Payable Contract asset Contract with Customer, Asset, after Allowance for Credit Loss, Current Interest income (expense), net Interest income (expense), net Interest income (expense), net Interest Income (Expense), Nonoperating Cost of factoring facility Cost Of Accounts Receivable Factoring Facility Cost Of Accounts Receivable Factoring Facility Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in usd per share) Earnings Per Share, Basic Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities Liabilities, Fair Value Disclosure [Abstract] Common shares reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Award Date [Axis] Award Date [Axis] Short-term debt Short-Term Debt Net settlement on vesting of performance units (in shares) Performance Unit Shares Issued Net Of Tax Withholdings Shares awarded to employees, net of shares for the payment of withholding taxes for meeting certain performance targets. This element is to be used only if shares are used in lieu of cash to satisfy all or a portion of withholding taxes. Transaction price allocated to remaining performance obligations Revenue, Remaining Performance Obligation, Amount Capitalized Contract Cost Capitalized Contract Cost [Domain] Factoring facility, maximum capacity utilized Accounts Receivable Factoring Facility, Aggregate Maximum Capacity Utilized Accounts Receivable Factoring Facility, Aggregate Maximum Capacity Utilized Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Category of Item Purchased Category of Item Purchased [Axis] Margin over LIBOR (in percentage) Margin Over Libor For Interest Rate On Line Of Credit This element represents the margin to be added to LIBOR to arrive at the interest rate to be paid on the credit facility. Changes in fair value of effective portion of outstanding derivatives, net, net of tax amount OCI, before Reclassifications, Net of Tax, Attributable to Parent Stock based compensation cost Share-Based Payment Arrangement, Expense Finance lease, liability, current, statement of financial position [Extensible List] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Hedging Designation Hedging Designation [Domain] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets Assets, Current [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total liabilities and equity Liabilities and Equity Employer discretionary vesting period Deferred Compensation Arrangement Employer Discretionary Vesting Period Deferred compensation arrangement, employer discretionary, vesting period Shares  arising out of options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Base Rate Plus Applicable Margin Base Rate Plus Applicable Margin [Member] Base Rate Plus Applicable Margin Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Net gains (losses) reclassified into statement of income on completion of hedged transactions, net of tax amount Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Accounting Policies [Abstract] Accounting Policies [Abstract] Forfeited (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited Maximum Shares Eligible To Receive Represents the maximum number of shares which the employer would have been required to issue upon the satisfaction of the performance condition, had these been not forfeited in the current reporting period. Pay vs Performance Disclosure [Line Items] Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Line of Credit Facility, Lender Line of Credit Facility, Lender [Domain] Business acquisitions Business Combination [Text Block] Other liability Business Combination, Recognized Liability Assumed, Other Liability Business Combination, Recognized Liability Assumed, Other Liability Maximum dollar amount of common shares allowed to be purchased Maximum Dollar Amount Of Common Shares Allowed To Be Purchased Maximum dollar amount of common shares allowed to be purchased. Debt instrument redemption price (in percentage) Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Other liabilities Other liabilities Other Liabilities, Noncurrent Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Granted (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Maximum Shares Eligible To Receive Represents the maximum number of shares to be issued to the employee, against the performance awards granted during the reporting period, upon the fulfillment of the performance condition. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current portion of long-term debt Current portion Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Expired (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Name Measure Name Vested (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Allotted Maximum Shares Eligible To Receive Represents the maximum number of shares which the employer would have issued upon the satisfaction of the maximum level specified performance target. Depreciation on PPE Depreciation Expense On Property Plant And Equipment [Member] Depreciation Expense On Property Plant And Equipment [Member] Other comprehensive income (loss), before tax amount Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Schedule of Fair Value of Earn-out Consideration Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Deferred tax liabilities Deferred Income Tax Liabilities, Net Restricted stock unit vesting right, fair value (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Right, Fair Value, Shares Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Right, Fair Value, Shares Schedule of Other Liabilities Other Liabilities [Table Text Block] Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Long-term debt, amount Total Long-Term Debt Total assets Assets Schedule of Restricted Share Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Vested (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Non Fund Based Credit Facility Non Fund Based Credit Facility [Member] Non-Fund-Based Credit Facility [Member] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Acquired intangible assets, weighted average amortization period Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] 2021 Senior Notes Two Thousand Twenty One Senior Notes [Member] Two Thousand Twenty One Senior Notes Assets Assets, Fair Value Disclosure [Abstract] Dividends per common share (in usd per share) Dividend declared (in usd per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Plant, machinery and equipment Plant, Machinery And Equipment [Member] Plant, Machinery And Equipment Contract cost assets Opening balance Closing balance Capitalized Contract Cost, Net (Level 2) Fair Value, Inputs, Level 2 [Member] Short-term borrowings Short-Term Debt [Text Block] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination Business Combination [Domain] Balance sheet exposure asset (liability) Credit Risk Derivatives, at Fair Value, Net Advance from customers Advance From Customers [Member] Advance From Customers Plan Name Plan Name [Axis] Property, plant and equipment, net Property, Plant and Equipment, Policy [Policy Text Block] PEO PEO [Member] Number of employees around the globe, minimum Entity Number of Employees Compensated absences Workers' Compensation Liability, Noncurrent U.S. UNITED STATES Change in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Volatility for expected life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Retained Earnings Retained Earnings [Member] Implementation Costs Incurred in a Cloud Computing Arrangement Cloud Computing Arrangement, Cost, Policy [Policy Text Block] Cloud Computing Arrangement, Cost, Policy Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Income Statement [Abstract] Income Statement [Abstract] Derivative instruments Derivative Asset Changes in fair value of effective portion of outstanding derivatives, net, before tax amount OCI, before Reclassifications, before Tax, Attributable to Parent Interest expense Interest Expense [Member] Derivative instruments Derivative Liability, Noncurrent Product and Service [Domain] Product and Service [Domain] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Notional principal amounts Derivative, Notional Amount City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Payments made on earn-out consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Individual qualifying base compensation (in percentage) Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Schedule of Details of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] United States Dollars (sell) Chinese Renminbi (buy) United States Dollars Sell Chinese Renminbi Buy [Member] United States Dollars Sell Chinese Renminbi Buy Change in fair value of deferred compensation liabilities Income Expense On Deferred Compensation Arrangement Liability Income (expense) on deferred compensation arrangement liability. Amortization of actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Cost of revenue Cost of Sales [Member] Cash flow hedges Cash Flow Hedging [Member] Goodwill Opening balance Closing balance Goodwill Loss contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Deferred billings Accounts Receivable, before Allowance for Credit Loss, Noncurrent Compensated absences Workers' Compensation Liability, Current Organization Nature of Operations [Text Block] Supplementary information Supplemental Cash Flow Information [Abstract] Deferred transition revenue Deferred Transition Revenue [Member] Deferred Transition Revenue Other Performance Measure, Amount Other Performance Measure, Amount Weighted  average exercise price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Payment of debt issuance and refinancing costs Payments of Debt Issuance Costs Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation 2025 Senior Notes Two Thousand Twenty Five Senior Notes [Member] Two Thousand Twenty Five Senior Notes Derivative Instrument Derivative Instrument [Axis] Vesting Vesting [Axis] South African Rand (sell) United States Dollars (buy) South African Rand Sell United States Dollar Buy [Member] South African Rand Sell United States Dollar Buy Others Other Assets, Current Additional paid-in capital Additional Paid in Capital, Common Stock Net cash provided by (used for) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid during the period for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of preparation Basis of Accounting, Policy [Policy Text Block] Lender Name Lender Name [Axis] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Accrued expenses Accrued Employee Benefits, Current Effective tax rate (in percentage) Effective Income Tax Rate Reconciliation, Percent Interest income Interest And Debt Income Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Plan Name Plan Name [Domain] Individual qualifying bonus compensation (in percentage) Deferred Compensation Arrangement With Individual Qualifying Bonus Compensation Percentage Deferred compensation arrangement with individual, qualifying bonus compensation percentage. Acquisition related cost Business Combination, Acquisition-Related Cost, Expense United States Dollars (sell) Canadian Dollar (buy) United States Dollars (Sell) Canadian Dollar (Buy) [Member] United States Dollars (Sell) Canadian Dollar (Buy) Weighted average remaining requisite vesting period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Issuance of common shares on exercise of options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Earnings receivable minimum term Deferred Compensation Arrangement with Individual, Requisite Service Period Buildings Building [Member] Segment reporting Segment Reporting Disclosure [Text Block] Non-designated Not Designated as Hedging Instrument [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Axis] Schedule of Net Defined Benefit Plan Costs Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Leases Lessee, Leases [Policy Text Block] Amortization of acquired intangible assets Amortization of acquired intangible assets Amortization of Intangible Assets Selling, general and administrative expenses Selling, General and Administrative Expense Deferred tax assets Deferred Income Tax Assets, Net Revolving Credit Facility Revolving Credit Facility [Member] Accounts receivable Accounts Receivable [Policy Text Block] Arrangement Duration Trading Arrangement Duration Others Other Sundry Liabilities, Noncurrent Computer equipment and servers Computer Equipment [Member] Segments Segments [Axis] Deferred compensation plan assets Deferred Compensation Plan Assets Fair Value Disclosure Deferred compensation plan assets fair value disclosure. Schedule of Performance Units Activity Summary Of Performance Units Activity Table [Text Block] Disclosure of components of Performance stock awards granted to employees, comprised of changes in the quantity of the shares granted, vested and allotted, forfeited and outstanding during the reporting period along with weighted average grant date fair value. Contract Liability Class [Domain] Contract Liability Class [Domain] Contract Liability Class [Domain] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Gross accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Stock-based compensation Share-Based Payment Arrangement [Text Block] Stock repurchased and retired (in shares) Shares repurchased and retired (in shares) Stock Repurchased and Retired During Period, Shares Assets Assets [Abstract] Credit Facility Credit Facility [Axis] Proceeds from maturity of short term investments Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Sales incentive programs Sales Incentive Programs [Member] sales incentive programs. Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument Debt Instrument [Axis] Forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Employee benefit plans Retirement Benefits [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility Credit Facility [Domain] Shareholders' equity Equity, Attributable to Parent [Abstract] Derivative instruments Derivative Liability, Current Vesting Period Two Thousand Twenty Four Vesting Period Two Thousand Twenty Four [Member] Vesting Period Two Thousand Twenty Four Interest rate on senior notes (in percentage) Debt Instrument, Interest Rate, Stated Percentage Maximum Shares Eligible to Receive Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract] United States Dollars (sell) Philippines Peso (buy) United States Dollars Sell Philippines Peso Buy [Member] United States Dollars Sell Philippines Peso Buy [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Assets Derivative Asset, Subject to Master Netting Arrangement, before Offset 2007 Omnibus Plan Two Thousand Seven Omnibus Plan [Member] Two Thousand Seven Omnibus Plan [Member] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net defined benefit plan costs Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Deferred compensation plan liability Deferred Compensation Liability, Classified, Noncurrent Treasury rate lock Treasury Lock [Member] Total Assets, Fair Value Disclosure Revision of Prior Period [Domain] Revision of Prior Period [Domain] Granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Interest costs Defined Benefit Plan, Interest Cost Cost of factoring facility with financial institution Cost Of Accounts Receivable Factoring Facility with Financial Institution Cost Of Accounts Receivable Factoring Facility with Financial Institution Schedule of Estimated Useful Lives of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Reporting Unit Reporting Unit [Axis] United States Dollars (sell) Malaysian Ringgit (buy) United States Dollars Sell Malaysian Ringgit Buy [Member] United States Dollars Sell Malaysian Ringgit Buy Schedule of Fair Value of Deferred Compensation Plan Liabilities Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Name Trading Arrangement, Individual Name Commitments and contingencies Long-Term Purchase Commitment, Amount Marketing-related intangible assets Marketing-related intangible assets Marketing-Related Intangible Assets [Member] Other operating (income) expense, net Other Operating Income and Expense [Text Block] Debt instrument, face amount Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Transition activities Process Transition Activities [Member] Process transition activities. Share Repurchase Program Share Repurchase Program [Axis] Banking and Thrift, Interest [Abstract] Banking and Thrift, Interest [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Accrued expenses and other current liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Outstanding weighted average grant date fair value, beginning balance (in usd per share) Outstanding weighted average grant date fair value, ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Schedule of Revenue and Adjusted Income From Operations by Reporting Segments Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Stock-based compensation expense (Note 15) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Defined Contribution Plan Disclosure [Line Items] Defined Contribution Plan Disclosure [Line Items] Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Two-Year Anniversary of Approval of Contribution Vesting Period Two [Member] Vesting period two. Changes in fair value of effective portion of outstanding derivatives, net, tax (expense) or benefit Other Comprehensive Income (Loss) before Reclassifications, Tax Liability Class [Axis] Liability Class [Axis] Segments Segments [Domain] Income Statement Location Statement of Income Location, Balance [Axis] Schedule of Estimated Revenue Expected to Be Recognized in the Future Related to Remaining Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Balance Sheet Location Statement of Financial Position Location, Balance [Domain] Debt amortization expense Amortization of Debt Issuance Costs and Discounts Adjustment upon final determination of level of performance goal achievement (in shares) Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Lower Than Maximum Performance, Adjustment Increase (Decrease) It represents the achievement of lower than maximum performance of Share Based Payment Award other than options. Deferred Compensation Plan Assets Deferred Compensation Plan Assets [Member] Deferred compensation plan assets. Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Preferred shares, $0.01 par value, 250,000,000 authorized, none issued Preferred Stock, Value, Issued Defined Contribution Plan [Table] Defined Contribution Plan [Table] All Executive Categories All Executive Categories [Member] Common shares, $0.01 par value, 500,000,000 authorized, 170,341,479 and 169,504,186 issued and outstanding as of December 31, 2025 and March 31, 2026, respectively Common Stock, Value, Issued Short-term investments Short-Term Investments Expected to vest, number of shares (Units) Expected to vest, number of shares (Units) Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Expected To Vest Number As of the balance sheet date, the number of shares expected to be issued in future for awards (other than stock options) expected to vest. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Amortization of acquired intangible assets Amortization Of Intangible Assets Excluded From Adjusted Income From Operation Amortization and impairment of intangible assets excluded from adjusted income from operation. Other Comprehensive Income (Loss) [Line Items] Other Comprehensive Income Loss [Line Items] Other Comprehensive Income (Loss) [Line Items] Commitments and contingencies Commitments and Contingencies Cash acquired from acquisition Cash Acquired from Acquisition Acquired intangibles Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Earn out consideration Business Combination, Earn-Out Consideration Business Combination, Earn-Out Consideration Business Combination Business Combination [Axis] Interest coverage minimum ratio, covenant line of credit Interest Coverage Minimum Ratio, Covenant Line Of Credit Interest Coverage Minimum Ratio, Covenant Line Of Credit Interest rate swaps (floating to fixed) Interest Rate Swap Floating To Fixed [Member] Interest Rate Swap Floating To Fixed [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Hedging Designation Hedging Designation [Axis] Scenario [Axis] Scenario [Axis] Allowance for credit losses, other assets Allowance For Credit Losses Other Assets Allowance for credit losses, other assets. Retirement benefits (expense), net of taxes Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Domestic Plan Domestic Plan [Member] Amount of Gain (Loss) reclassified from OCI into Statement of Income (Effective Portion) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative Contract Derivative Contract [Domain] Performance units period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Proceeds from issuance of common shares under stock-based compensation plans Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Fair value per share allowed to eligible employees to purchase through payroll deductions (in percentage) Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Effect of exchange rate fluctuations Goodwill, Foreign Currency Translation, Gain (Loss) Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Vested, net of withholding tax (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Net of Withholding Tax Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Net of Withholding Tax Opening balance, tax (expense) or benefit Closing balance, tax (expense) or benefit AOCI Tax, Attributable to Parent Customer-related intangible assets Customer-related intangible assets Customer-Related Intangible Assets [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Foreign exchange gains, net Foreign exchange gains, net Gain (Loss), Foreign Currency Transaction, before Tax Vesting Period Two Thousand Twenty Five Vesting Period Two Thousand Twenty Five [Member] Vesting Period Two Thousand Twenty Five Contract Liability Class [Axis] Contract Liability Class [Axis] Contract Liability Class Forecast Forecast [Member] Earn-Out Consideration Payable Earn-Out Consideration Payable [Member] Earn-Out Consideration Payable Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Additions (net), charged to income statement Accounts Receivable, Allowance for Credit Loss, Charged (Reversal) Released To Cost And Expense Allowance for doubtful accounts receivable charged/reversal released to cost and expense. Amortization Capitalized Contract Cost, Amortization Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Year ended Long-Term Debt, Fiscal Year Maturity [Abstract] Earnings per common share Earnings Per Share [Abstract] Schedule of Interest Income (Expense), Net Interest Income and Interest Expense Disclosure [Table Text Block] XponentL Data, Inc. XponentL Data, Inc. [Member] XponentL Data, Inc. Cash surrender value of policies Cash Surrender Value of Life Insurance Vested in period, issued subsequent to period end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Issued Subsequent To Period End Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Issued Subsequent To Period End Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Net debt to EBITDA leverage ratio, covenant line of credit Net Debt To EBITDA Leverage Ratio, Covenant Line Of Credit Net Debt To EBITDA Leverage Ratio, Covenant Line Of Credit Credit facility, amount utilized Line Of Credit Facility Amount Utilized Utilized amount of borrowed credit facility as of the balance sheet date. Service costs Defined Benefit Plan, Service Cost Capital stock Equity [Text Block] Net income Net income Net income Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Core Business Services Core Business Services [Member] Core Business Services Other liabilities Other Accrued Liabilities, Current Award, vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Prepaid expenses and other current assets Other Current Assets [Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred shares, authorized (in shares) Preferred Stock, Shares Authorized Aggregate amount of common stock shares repurchased Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Base Rate Base Rate [Member] Reclassification and presentation adjustments Reclassification, Comparability Adjustment [Policy Text Block] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Selling, general and administrative expenses Selling, General and Administrative Expenses, Policy [Policy Text Block] Ministry of Finance, India Ministry of Finance, India [Member] Income from operations Operating Income (Loss) Line of Credit Line of Credit [Member] Additional terms of termination option Lessor Operating Lease Termination Term Lessor operating lease termination term. Retained earnings Retained Earnings (Accumulated Deficit) Deductions/effect of exchange rate fluctuations Accounts Receivable, Allowance for Credit Loss, Deductions And Foreign Currency Translation Adjustments Allowance for Doubtful Accounts Receivable Deductions and Foreign Currency Translation Adjustments Factoring facility, amount outstanding Accounts Receivable Factoring Facility, Amount Outstanding Accounts Receivable Factoring Facility, Amount Outstanding Derivatives, maturity period Derivative, Remaining Maturity Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Subsequent Event Type Subsequent Event Type [Domain] Schedule Of Significant Accounting Policies [Table] Schedule Of Significant Accounting Policies [Table] Schedule Of Significant Accounting Policies [Table] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Statement [Table] Statement [Table] Other income (expense), net Other Nonoperating Income (Expense) Net deferred billings Accounts Receivable, after Allowance for Credit Loss, Noncurrent Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Deferred tax expense Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by (used for) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Contract liabilities Contract with Customer, Liability Variable Rate [Domain] Variable Rate [Domain] Finance lease liabilities Finance Lease, Liability, Noncurrent Deferred compensation arrangement with individual, maximum re-deferral contractual term Deferred Compensation Arrangement with Individual, Maximum Re-Deferral Contractual Term Deferred Compensation Arrangement with Individual, Maximum Re-Deferral Contractual Term Derivative instrument, gain (loss) amortized Derivative Instrument Gain (Loss) Amortized Derivative Instrument Gain (Loss) Amortized Financial Services Financial Services [Member] Banking, capital markets and insurance. Schedule of Fair Value of Deferred Compensation Plan Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Number of common shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Schedule of Company’s Intangible Assets Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Basic (in shares) Weighted average number of common shares used in computing basic earnings per common share (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Deferred compensation plan liability Deferred Compensation Liability, Current Genpact Luxembourg and Genpact USA Genpact Luxembourg and Genpact USA [Member] Genpact Luxembourg and Genpact USA Vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Vesting percentage of participants (in percentage) Deferred Compensation Arrangement With Individual Participants Deferrals Vesting Percentage Deferred compensation arrangement with individual, participants’ deferrals vesting percentage. Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Cost of revenue Cost of Revenue Cost of Revenue Debt Disclosure [Abstract] Debt Disclosure [Abstract] Scenario [Domain] Scenario [Domain] Net gains (losses) reclassified into statement of income on completion of hedged transactions, tax (expense) or benefit Reclassification from AOCI, Current Period, Tax Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Net gains (losses) reclassified into statement of income on completion of hedged transactions, before tax amount Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Payment of earn-out consideration Business Acquisition Contingent Consideration Cash Paid Amount of cash payments resulting from the contingent consideration arrangement. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Consolidated Entities Consolidated Entities [Axis] Common shares, par value (in usd per share) Common Stock, Par or Stated Value Per Share Expenses related to stock purchase Expenses Related To Stock Purchase Extension Expenses Related To Stock Purchase Extension Options granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Schedule of Net Revenues Disaggregated by Customer Revenues By Types Of Customers Table [Table Text Block] Tabular disclosure of revenues derived from customers. Use of estimates Use of Estimates, Policy [Policy Text Block] Retirement benefits Liability, Defined Benefit Plan, Current Other comprehensive income (loss), tax (expense) benefit amount Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Schedule of Significant Assumptions Used in Determining Fair Value of Performance Units Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Japanese Yen (sell) Chinese Renminbi (buy) Japanese Yen Sell Chinese Renminbi Buy [Member] Japanese Yen Sell Chinese Renminbi Buy [Member] Term Loan Term Loan Credit Facility [Member] Term Loan Credit Facility [Member] Subsequent events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Forfeited (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Total liabilities Liabilities Deferred compensation plan liability Deferred Compensation Plan Liabilities Fair Value Disclosure Deferred compensation plan liabilities fair value disclosure. Amortization of debt issuance costs Amortization Of Financing Costs Including Loss On Extinguishment Of Debt Amortization of financing costs including loss on extinguishment of debt. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Treasury lock on fair value edges, amount Fair Value Hedges, Net Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Consolidation Items Consolidation Items [Axis] Variable Rate [Axis] Variable Rate [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]