0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - Consolidated Statements of Equity link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - Consolidated Statements of Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000009 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Business acquisitions link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Accounts receivable, net of allowance for credit losses link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Derivative financial instruments link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Prepaid expenses and other current assets link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Assets and liabilities held for sale link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Property, plant and equipment, net link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Goodwill and intangible assets link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Other assets link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Accrued expenses and other current liabilities link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Long-term debt link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Short-term borrowings link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Other liabilities link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Employee benefit plans link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Stock-based compensation link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Capital stock link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Earnings per share link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Other operating (income) expense, net link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Interest income (expense), net link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Segment reporting link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Net revenues link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - Summary of significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - Accounts receivable, net of allowance for credit losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - Derivative financial instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - Prepaid expenses and other current assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - Property, plant and equipment, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - Goodwill and intangible assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - Other assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - Accrued expenses and other current liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - Long-term debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - Other liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - Employee benefit plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - Stock-based compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - Earnings per share (Tables) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - Other operating (income) expense, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - Interest income (expense), net (Tables) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - Income taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - Segment reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - Net revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - Organization (Detail) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - Summary of Significant Accounting Policies - Schedule of estimated useful lives of intangible assets acquired (Detail) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - Summary of Significant Accounting Policies - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - Summary of Significant Accounting Policies - Schedule of estimated economic useful lives of property, plant and equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - Business acquisitions - Hoodoo Digital, LLC. - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954497 - Disclosure - Accounts receivable, net of allowance for credit losses - Schedule of allowance for credit losses (Detail) link:presentationLink link:calculationLink link:definitionLink 9954498 - Disclosure - Accounts receivable, net of allowance for credit losses - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954499 - Disclosure - Fair value measurements - Schedule of fair value of assets and liabilities, including derivative instruments, at fair value on a recurring basis (Detail) link:presentationLink link:calculationLink link:definitionLink 9954500 - Disclosure - Fair value measurements - Schedule of roll-forward of fair value of earn-out consideration categorized as level 3 in fair value hierarchy (Detail) link:presentationLink link:calculationLink link:definitionLink 9954501 - Disclosure - Fair value measurements - Schedule of roll-forward of fair value of deferred compensation plan assets categorized as level 3 in fair value hierarchy (Detail) link:presentationLink link:calculationLink link:definitionLink 9954502 - Disclosure - Fair value measurements - Schedule of fair value of deferred compensation liabilities categorized as Level 3 in fair value hierarchy (Detail) link:presentationLink link:calculationLink link:definitionLink 9954503 - Disclosure - Derivative Financial Instruments - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954504 - Disclosure - Derivative Financial Instruments - Schedule of aggregate notional principal amounts of outstanding derivative financial instruments with related balance sheet exposure (Detail) link:presentationLink link:calculationLink link:definitionLink 9954505 - Disclosure - Derivative Financial Instruments - Schedule of fair value of derivative instruments and their location in the Company's financial statements (Detail) link:presentationLink link:calculationLink link:definitionLink 9954506 - Disclosure - Derivative Financial Instruments - Schedule gains (losses) recorded as component of other comprehensive income (loss) in connection with cash flow hedges (Detail) link:presentationLink link:calculationLink link:definitionLink 9954507 - Disclosure - Derivative Financial Instruments - Schedule of gains or losses recognized in other comprehensive income (loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 9954508 - Disclosure - Prepaid expenses and other current assets - Schedule of prepaid expenses and other current assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954509 - Disclosure - Prepaid expenses and other current assets - Schedule of prepaid expenses and other current assets -Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954510 - Disclosure - Assets and liabilities held for sale - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954511 - Disclosure - Property, Plant and Equipment, Net - Schedule of property, plant and equipment, net (Detail) link:presentationLink link:calculationLink link:definitionLink 9954512 - Disclosure - Property, Plant and Equipment, Net - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954513 - Disclosure - Goodwill and Intangible Assets - Changes in goodwill (Detail) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - Goodwill and Intangible Assets - Schedule of changes in goodwill by reporting unit (Detail) link:presentationLink link:calculationLink link:definitionLink 9954515 - Disclosure - Goodwill and Intangible Assets - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954516 - Disclosure - Goodwill and Intangible Assets - Schedule of intangible assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954517 - Disclosure - Goodwill and intangible assets - Schedule of impairment charge recorded for various categories of assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954518 - Disclosure - Goodwill and Intangible Assets - Schedule of estimated amortization for intangible assets for future periods (Detail) link:presentationLink link:calculationLink link:definitionLink 9954519 - Disclosure - Other assets - Schedule of other assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954520 - Disclosure - Other assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954521 - Disclosure - Leases - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954522 - Disclosure - Leases - Schedule of components of lease cost for operating and finance leases (Details) link:presentationLink link:calculationLink link:definitionLink 9954523 - Disclosure - Leases - Schedule of other information on leases (Details) link:presentationLink link:calculationLink link:definitionLink 9954524 - Disclosure - Leases - Schedule of future minimum lease payments under operating and finance lease arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9954524 - Disclosure - Leases - Schedule of future minimum lease payments under operating and finance lease arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9954525 - Disclosure - Accrued expenses and other current liabilities - Schedule of accrued expenses and other current liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 9954526 - Disclosure - Accrued expenses and other current liabilities - Schedule of accrued expenses and other current liabilities -Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954527 - Disclosure - Long-term debt - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954528 - Disclosure - Long-term debt - Schedule of maturity profile of term loan outstanding net of debt amortization expense (Detail) link:presentationLink link:calculationLink link:definitionLink 9954529 - Disclosure - Long-term debt - Schedule of long term debt (Detail) link:presentationLink link:calculationLink link:definitionLink 9954530 - Disclosure - Short-term borrowings - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954531 - Disclosure - Other Liabilities - Schedule of other liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 9954532 - Disclosure - Other Liabilities - Schedule of other liabilities -Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954533 - Disclosure - Employee Benefit Plans - Schedule of funded status of the Company's defined benefit plans and the amounts recognized (Detail) link:presentationLink link:calculationLink link:definitionLink 9954534 - Disclosure - Employee Benefit Plans - Schedule of amounts included in accumulated other comprehensive income (loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 9954535 - Disclosure - Employee Benefit Plans - Schedule of changes in other comprehensive income (loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 9954536 - Disclosure - Employee Benefit Plans - Schedule of accumulated benefit obligation for defined benefit plans (Detail) link:presentationLink link:calculationLink link:definitionLink 9954537 - Disclosure - Employee Benefit Plans - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954538 - Disclosure - Employee Benefit Plans - Schedule of net defined benefit plan costs (Detail) link:presentationLink link:calculationLink link:definitionLink 9954539 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine benefit obligations, Gratuity Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954540 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine plan costs, Gratuity Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954541 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine benefit obligations, Mexican Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954542 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine plan costs, Mexican Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954543 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine benefit obligations, Philippines Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954544 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine plan costs, Philippines Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954545 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine benefit obligations, Japan Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954546 - Disclosure - Employee Benefit Plans - Schedule of weighted average assumptions used to determine plan costs, Japan Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 9954547 - Disclosure - Employee Benefit Plans - Schedule of fair values of plan assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954548 - Disclosure - Employee Benefit Plans - Schedule of expected benefit plan payments (Detail) link:presentationLink link:calculationLink link:definitionLink 9954549 - Disclosure - Employee Benefit Plans - Schedule of amounts contributed to defined contribution plans in various jurisdictions (Detail) link:presentationLink link:calculationLink link:definitionLink 9954550 - Disclosure - Stock-based compensation - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954551 - Disclosure - Stock-based compensation - Schedule of significant assumptions used in determining fair value of options granted (Detail) link:presentationLink link:calculationLink link:definitionLink 9954552 - Disclosure - Stock-based compensation - Schedule of stock option activity (Detail) link:presentationLink link:calculationLink link:definitionLink 9954553 - Disclosure - Stock-based compensation - Schedule of RSU activity (Detail) link:presentationLink link:calculationLink link:definitionLink 9954554 - Disclosure - Stock-Based Compensation - Schedule of significant assumptions used in determining fair value of performance units (Detail) link:presentationLink link:calculationLink link:definitionLink 9954555 - Disclosure - Stock-based compensation - Schedule of PU activity (Detail) link:presentationLink link:calculationLink link:definitionLink 9954556 - Disclosure - Capital Stock - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954557 - Disclosure - Earnings Per Share - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954558 - Disclosure - Earnings Per Share - Schedule of earnings per share (Detail) link:presentationLink link:calculationLink link:definitionLink 9954559 - Disclosure - Other operating (income) expense, net - Schedule of other operating (income) expense, net (Detail) link:presentationLink link:calculationLink link:definitionLink 9954560 - Disclosure - Interest income (expense), net - Schedule of interest income (expense), net (Detail) link:presentationLink link:calculationLink link:definitionLink 9954561 - Disclosure - Income taxes - Schedule of income tax expense (benefit) (Detail) link:presentationLink link:calculationLink link:definitionLink 9954562 - Disclosure - Income taxes - Schedule of components of income before income tax expense from continuing operations (Detail) link:presentationLink link:calculationLink link:definitionLink 9954563 - Disclosure - Income taxes - Schedule of income tax expense (benefit) attributable to income from continuing operations (Detail) link:presentationLink link:calculationLink link:definitionLink 9954564 - Disclosure - Income taxes - Schedule of income tax expense (benefit) computed by applying the U.S. federal statutory income tax rate to income before income taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 9954565 - Disclosure - Income taxes - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954566 - Disclosure - Income taxes - Schedule of components of deferred tax balances (Detail) link:presentationLink link:calculationLink link:definitionLink 9954567 - Disclosure - Income taxes - Schedule of change in total valuation allowance for deferred tax assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954568 - Disclosure - Income taxes - Schedule of remaining tax loss carry-forwards expiration (Detail) link:presentationLink link:calculationLink link:definitionLink 9954569 - Disclosure - Income taxes - Schedule of foreign tax credit carry-forward expiry period (Detail) link:presentationLink link:calculationLink link:definitionLink 9954570 - Disclosure - Income taxes - Schedule of activities related to unrecognized tax benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 9954571 - Disclosure - Segment Reporting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954572 - Disclosure - Segment Reporting -Revenues and adjusted income from operations for each of the Company’s segments (Details) link:presentationLink link:calculationLink link:definitionLink 9954573 - Disclosure - Segment Reporting - Schedule of net revenues from geographic areas based on location of service delivery centers (Detail) link:presentationLink link:calculationLink link:definitionLink 9954574 - Disclosure - Segment Reporting - Schedule of property, plant and equipment, net by geographic areas (Detail) link:presentationLink link:calculationLink link:definitionLink 9954575 - Disclosure - Net revenues - Schedule of net revenues disaggregated by customer (Detail) link:presentationLink link:calculationLink link:definitionLink 9954576 - Disclosure - Net revenues - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954576 - Disclosure - Net revenues - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954577 - Disclosure - Net revenues - Schedule of details of Company's contract liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 9954578 - Disclosure - Net revenues - Schedule of estimated revenue expected to be recognized in the future related to remaining performance obligation (Detail) link:presentationLink link:calculationLink link:definitionLink 9954578 - Disclosure - Net revenues - Schedule of estimated revenue expected to be recognized in the future related to remaining performance obligation (Detail) link:presentationLink link:calculationLink link:definitionLink 9954579 - Disclosure - Net revenues - Schedule of contract cost assets (Detail) link:presentationLink link:calculationLink link:definitionLink 9954580 - Disclosure - Commitments and Contingencies - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink 9954581 - Disclosure - Restructuring - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954582 - Disclosure - Subsequent Events - Narrative (Detail) link:presentationLink link:calculationLink link:definitionLink