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Exchange for Finance Lease Liability 2031 Long-Term Debt, Maturity, Year Five Operating lease Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Foreign exchange gain/(loss), net Loss recognized in unaudited consolidated statements of income Foreign exchange gain/(loss), net Gain (Loss), Foreign Currency Transaction, before Tax Other Income, net Other Income and Other Expense Disclosure [Text Block] Award Timing Method Award Timing Method [Text Block] Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Amortization of actuarial gain Defined Benefit Plan, Amortization of Gain (Loss) Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] I Merit Inc. I Merit Inc. [Member] I Merit Inc. Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income/(Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Acquisition Goodwill, Transfers Schedule of Other Assets Schedule of Other Assets [Table Text Block] Contract assets Contract with Customer, Asset, before Allowance for Credit Loss Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Weighted average number of shares used in computing earnings per share: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Accelerated share repurchases, initial price paid per share (in USD per share) Accelerated Share Repurchases, Initial Price Paid Per Share Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Acquisition-related costs Business Combination, Acquisition-Related Cost, Expense Accrued employee costs Increase (Decrease) in Other Employee-Related Liabilities Banking, Capital Markets and Diversified Industries Banking, Capital Markets and Diversified Industries [Member] Banking, Capital Markets and Diversified Industries Common stock, $0.001 par value; 400,000,000 shares authorized, 210,148,341 shares issued and 151,027,513 shares outstanding as of September 30, 2026 and 208,855,566 shares issued and 156,430,028 shares outstanding as of December 31, 2025 Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Total consideration Payment, Tax Withholding, Share-Based Payment Arrangement Schedule of Company's Debt Position Schedule of Long-Term Debt Instruments [Table Text Block] Prepaid expenses Other Prepaid Expense, Current Line of credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets contract with customer, asset, receivables from payment integrity services Contract With Customer, Asset, Receivables From Payment Integrity Services Contract With Customer, Asset, Receivables From Payment Integrity Services Less: Allowance for expected credit losses Opening balance Closing balance Accounts Receivable, Allowance for Credit Loss Long-term investments Long-Term Investments [Abstract] Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current liabilities: Liabilities, Current [Abstract] Principal payments of finance lease liabilities Financing cash outflows for finance leases Finance Lease, Principal Payments Investments Investment [Text Block] Derivative instruments Derivative Instruments and Hedges, Liabilities, Noncurrent Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Business Combinations, Goodwill and Other Intangible Assets [Abstract] Business Combinations, Goodwill and Other Intangible Assets Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Share-based compensation arrangement by share-based payment award, purchase period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period PEO Total Compensation Amount PEO Total Compensation Amount Assets Assets, Fair Value Disclosure [Abstract] Foreign exchange contracts outstanding Derivative, Notional Amount Share Repurchase Program [Domain] Share Repurchase Program [Domain] Basic (in shares) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Value added tax, bank guarantees Value Added Tax, Bank Guarantees Value Added Tax, Bank Guarantees Consideration received for process transition activities Contract From Customer Liability, Consideration Received From Transitions Activities, Revenue Recognized Contract From Customer Liability, Consideration Received From Transitions Activities, Revenue Recognized Other liabilities Business Combination, Recognized Liability Assumed, Other Liability Business Combination, Recognized Liability Assumed, Other Liability Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Number, vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Preparation Basis of Accounting, Policy [Policy Text Block] Accounts receivable, including unbilled receivables Accounts Receivable, before Allowance for Credit Loss Sublease income Sublease Income Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Contingent consideration Contingent Consideration [Member] Contingent Consideration Current portion of long-term borrowings Current portion of long-term borrowings Long-Term Debt, Current Maturities Less: 59,120,828 shares as of September 30, 2026 and 52,425,538 shares as of December 31, 2025, held in treasury, at cost Treasury Stock, Value Recent Accounting Pronouncements and Recently Adopted and Applicable Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Current portion of long-term borrowings Long-Term Debt, Current Maturities, Gross Long-Term Debt, Current Maturities, Gross New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Additions to property and equipment not yet paid Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Unrealized gain/(loss) on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Excise and sales taxes, net Excise and Sales Taxes (Reversed) Excise and Sales Taxes (Reversed) Contribution to the 401(k) Plans Defined Contribution Plan, Employer Discretionary Contribution Amount Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Borrowings Long-Term Debt Property and Equipment, net Property, Plant, and Equipment [Text Block] Income taxes payable, net Increase (Decrease) in Income Taxes Payable 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] Net cash used for investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Share-based compensation arrangement by share-based payment award, maximum employee subscription Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Employee Subscription Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Employee Subscription Capital Structure Equity [Text Block] Security Exchange Name Security Exchange Name Weighted-average exercise price, granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Currency translation adjustments Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Total Liabilities, Fair Value Disclosure Schedule of Property and Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Share-Based Compensation, Employee Stock Purchase Plan, Activity Schedule of Share-Based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Geographical [Domain] Geographical [Domain] Indefinite-lived intangible assets Intangible Asset, Excluding Goodwill, Indefinite-Lived 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Share-based payment arrangement, nonvested award, option, cost not yet recognized, amount Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Total finance lease cost Finance Lease, Cost Finance Lease, Cost Supplemental disclosure of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Payments to acquire other investments Payments to Acquire Other Investments Retirement benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Total Long-Term Debt, Gross Contract Fulfillment Costs Contract Fulfillment Costs [Member] Contract Fulfillment Costs [Member] Asset Class [Domain] Asset Class [Domain] Non-compete agreements Noncompete Agreements [Member] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Others Other Sundry Liabilities, Noncurrent Interest and dividend income Investment Income, Interest and Dividend Compensation Amount Outstanding Recovery Compensation Amount Amortization Capitalized Contract Cost, Amortization Individual: Individual [Axis] Acquired equity securities (in percent) Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Related Party Transaction [Line Items] Related Party Transaction [Line Items] Retirement benefits Liability, Defined Benefit Plan, Noncurrent Underlying Security Market Price Change Underlying Security Market Price Change, Percent Property and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Derivatives and Hedge Accounting Derivative Instruments and Hedging Activities Disclosure [Text Block] Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Prepaid expenses Prepaid Expense Derivative liability Derivative Liability, Subject to Master Netting Arrangement, before Offset Employer contribution Defined Benefit Plan, Plan Assets, Contributions by Employer Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Long-lived assets impairment charges Long-Lived Asset, Held and Used, Impairment Loss Cost of revenues Cost of Revenue [Abstract] Restricted cash Restricted cash (current) Restricted Cash, Current Treasury Stock Treasury Stock, Common [Member] Letters of credit outstanding Letters of Credit Outstanding, Amount Others Other Assets, Miscellaneous Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] 2026 Repurchase Program 2026 Repurchase Program [Member] Two Thousand Twenty Six Repurchase Program Indefinite-lived Intangible Assets, Major Class Name [Domain] Intangible Asset, Indefinite-Lived, Class [Domain] Total lease payments Lessee, Operating Lease, Liability, to be Paid Weighted-average fair value, outstanding, at beginning balance (in dollars per share) Weighted-average fair value, outstanding, at ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Schedule of Changes in Projected Benefit Obligations Schedule of Changes in Projected Benefit Obligations [Table Text Block] All Executive Categories All Executive Categories [Member] Number of classes of common stock outstanding Number Of Classes Of Common Stock Outstanding Number Of Classes Of Common Stock Outstanding Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Schedule of Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] GST refund, amount rejected Goods And Service Tax, Refund Denied Goods And Service Tax, Refund Denied Selling and marketing expenses Selling and marketing expenses Selling and Marketing Expense Reclassification adjustments: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Unamortized debt issuance costs Debt Issuance Costs, Current, Net 2025 Stock options plan 2025 Stock Options Plan [Member] 2025 Stock Options Plan Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Others, net Other Miscellaneous Nonoperating Income (Expense) Other Miscellaneous Nonoperating Income (Expense) Mutual funds Investments, Fair Value Disclosure Schedule of Amortization of Intangible Assets Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and 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Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Repurchase of common stock authorized, maximum Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report 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] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Weighted average purchase price per share (in dollars per share) Accelerated Share Repurchases, Final Price Paid Per Share Schedule of Long-lived Assets Based on Geographical Information Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block] Income before income tax expense and earnings from equity affiliates Total before tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Derivative instruments Other Assets, Derivative Instruments Other Assets, Derivative Instruments Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Share repurchase, equity instruments, fair value Share Repurchase, Equity Instruments, Fair Value Share Repurchase, Equity Instruments, Fair Value Investment in equity affiliate Equity Method Investments Equity Component [Domain] Equity Component [Domain] Foreign Exchange Contract Foreign Exchange Contract [Member] Adoption Date Trading Arrangement Adoption Date Contract liabilities: Contract with Customer, Liability [Abstract] Counterparty Name [Domain] Counterparty Name [Domain] Short-term investments Short-Term Investments [Abstract] Foreign exchange gain, net, interest expense and other income, net Nonoperating Income (Expense) Increase (Decrease) In Capitalized Contract Costs [Roll Forward] Increase (Decrease) In Capitalized Contract Costs [Roll Forward] Increase (Decrease) In Capitalized Contract Costs [Roll Forward] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Present value of lease liabilities Operating Lease, Liability Number of options, outstanding, beginning balance (in shares) Number of options, outstanding, ending Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Present value of lease liabilities Finance Lease, Liability Insider Trading Policies and Procedures Adopted Insider 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Restricted Stock Units Restricted Stock Units (RSUs) [Member] Excise and sales taxes Excise and Sales Taxes Unamortized debt issuance costs Debt Issuance Costs, Noncurrent, Net All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Gain on sale and fair value mark-to-market on investments Gain (Loss) on Investments Operating expenses: Operating Expenses [Abstract] Deferred tax assets, net Deferred Income Tax Assets, Net Stock repurchase program, prepayment shares delivered (in percentage) Percentage of Prepayment, Stock Repurchase Program, Prepayment Shares Delivered Percentage of Prepayment, Stock Repurchase Program, Prepayment Shares Delivered Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Intangible Asset, Finite-Lived Intangible Asset, Finite-Lived [Table Text Block] City Area Code City Area Code Reduction in the carrying amount of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Preferred stock, issued (in shares) Preferred Stock, Shares Issued Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Share-based compensation arrangement by share-based payment award, shares issued in period, value Stock Issued During Period, Value, Employee Stock Purchase Plan Other current and non-current assets Increase (Decrease) in Other Operating Assets Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stock-based compensation expenses Share-Based Payment Arrangement, Expense Income before earnings from equity affiliates Income (Loss) From Continuing Operations Before Equity Method Investments, Total Income (Loss) From Continuing Operations Before Equity Method Investments, Total Stock issued against stock-based compensation plans (in shares) Number of options, exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Weighted-average fair value, granted (in dollars 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 Deferred revenue (consideration received in advance) Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Income taxes payable Taxes Payable, Current Weighted-average fair value, forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Excise tax on repurchase of common stock, net of stock issuances Share-Based Payment Arrangement, Value, Shares Issued Net of Tax Withholdings Share-Based Payment Arrangement, Value, Shares Issued Net of Tax Withholdings Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Number of options, forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Deposits with statutory authorities Deposit Assets Payment of debt issuance costs Payments of Debt Issuance Costs Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by/(used for) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Interest coverage ratio, minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Cash flow hedge Cash Flow Hedging [Member] Liabilities Liabilities, Fair Value Disclosure [Abstract] Currency translation adjustments Accounts Receivable, Allowance For Credit Loss, Foreign Currency Translation Accounts Receivable, Allowance For Credit Loss, Foreign Currency Translation Credit Facilities [Line Items] Line of Credit Facility [Line Items] Schedule of Purchase Consideration Business Combination [Table Text Block] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Additions Accounts Receivable, Credit Loss Expense (Reversal) And Other Writeoffs Accounts Receivable, Credit Loss Expense (Reversal) And Other Writeoffs Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Interest cost Defined Benefit Plan, Interest Cost Financial Instruments [Domain] Financial Instruments [Domain] Derivative instruments Derivative Asset Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Stock issued against stock-based compensation plans Stock Issued During Period, Value, Stock Options Exercised Underlying Securities Award Underlying Securities Amount Revenues, net and Accounts Receivable, net Revenue from Contract with Customer [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Performance based percentage Percentage Of Performance Criteria Achieved And Shares Vested Percentage Of Performance Criteria Achieved And Shares Vested Weighted-average exercise price, forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Citibank Credit Agreement Citibank Credit Agreement [Member] Citibank Credit Agreement Weighted average exercise price, vested and exercisable at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Operating lease Operating Lease, Weighted Average Discount Rate, Percent Number of shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Term (SOFR) Term Secured Overnight Financing Rate (SOFR) [Member] Term Secured Overnight Financing Rate (SOFR) Share-based compensation arrangement by share-based payment award, maximum employee subscription rate Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Components of Lease Cost Lease, Cost [Table Text Block] Contingent consideration Business Combination, Contingent Consideration, Liability, Current Other current assets Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Beginning balance, contingent consideration Ending balance, contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Reclassification adjustment for cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Cash paid during the period for: Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long-lived assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount 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] Entity File Number Entity File Number Loss on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Schedule of Share-Based Payment Arrangement, Option, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Treasury stock, common (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Equity Components [Axis] Equity Components [Axis] Related party Related Party [Member] Schedule of Fair Value of Foreign Currency Exchange Contracts Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Entity Small Business Entity Small Business Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Reclassification adjustment for retirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Shares repurchased (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Unrecognized tax benefits Liability for Uncertainty in Income Taxes, Noncurrent Other assets Other Assets, Noncurrent 2029 Finance Lease, Liability, to be Paid, Year Three Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Business acquisition (net of cash and cash equivalents acquired) Cash Payments to Acquire Businesses, Net of Cash Acquired 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] Short Short [Member] Schedule of Indefinite Lived Intangible Assets Intangible Asset, Indefinite-Lived [Table Text Block] Increase (decrease) in lease liabilities Increase (Decrease) In Operating Lease Liabilities Increase (Decrease) In Operating Lease Liabilities Others Other Assets, Miscellaneous, Current Impairment of intangible assets (excluding goodwill) Intangible Asset, Excluding Goodwill, Impairment Loss Opening balance Closing balance Capitalized Contract Cost, Gross Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from borrowings Proceeds from Issuance of 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Income [Axis] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Executive Category: Executive Category [Axis] Share price (in dollars per share) Shares Acquired, Fair Value Shares Acquired, Fair Value Income tax effects relating to above Income tax effects Total Other Comprehensive Income (Loss), Tax Counterparty Name [Axis] Counterparty Name [Axis] Capitalized Contract Cost [Line Items] Capitalized Contract Cost [Line Items] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Unrealized gain/(loss) on cash flow hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text 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