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Dividends paid in shares Adjustments To Additional Paid In Capital, Dividends Paid In Shares Adjustments To Additional Paid In Capital, Dividends Paid In Shares Interest rate on the revolving loans (as percent) Line of Credit Facility, Interest Rate at Period End Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] LIABILITIES AND SHAREHOLDERS' EQUITY (DEFICIT) Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Exercisable weighted average exercise price (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Estimates of useful lives Finite-Lived Intangible Asset, Useful Life 3.875% senior unsecured notes due 2031 Three Point Eight Seven Five Percent Senior Unsecured Notes Due Two Thousand Thirty One [Member] Three point eight seven five percent senior unsecured notes due two thousand thirty one. 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Expiration Date Trading Arrangement Expiration Date 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Property, equipment and leasehold improvements, net Property, equipment and leasehold improvements, net Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Asset-based fees Asset Based Fees [Member] Asset-based fees. 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Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares available for future grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Effect of changes in tax laws or rates enacted in the current period Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Dividends payable/paid (in shares) Common Stock Dividends, Shares Deferred tax assets, increase amount Deferred Tax Assets, Increase (Decrease), Amount Deferred Tax Assets, Increase (Decrease), Amount Beginning balance Ending balance Unrecognized Tax Benefits Weighted average shares outstanding: 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] 2027 Long-Term Debt, Maturity, Year Two LEASES Lessee, Operating Leases [Text Block] Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Measure: Measure [Axis] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Cost of revenues (exclusive of depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Operating lease, options to terminate Lessee, Operating Lease, Option to Terminate 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 interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Amortization of debt origination fees Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Vested and unvested stock option awards at beginning of period (in USD per share) Vested and unvested stock option awards at ending of period (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Common stock, shares issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term (years) Operating Lease, Weighted Average Remaining Lease Term 2029 Long-Term Debt, Maturity, Year Four GOODWILL AND INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Capitalized Expenses Capitalized Expenses [Member] Capitalized Expenses Common Stock Outstanding [Table] Common Stock Outstanding [Table] Common Stock Outstanding [Table] Entity Public Float Entity Public Float Schedule of Change to Company's Goodwill Schedule of Goodwill [Table Text Block] Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Income taxes payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Security Exchange Name Security Exchange Name Foreign Income Tax Paid, Foreign, after Refund Received Other effects of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Property, equipment and leasehold improvements in other accrued liabilities Capital Expenditures Incurred but Not yet Paid Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Defined benefit plan, non-current liability Liability, Defined Benefit Plan, Noncurrent Fair value at acquisition date Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Fair Value Revenue Recognition [Line Items] Revenue Recognition [Line Items] Revenue recognition. Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents (includes restricted cash of $3,667 and $3,497 at December 31, 2025 and December 31, 2024, respectively) Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Net increase (decrease) 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 Pension and other post-retirement adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent Statistical Measurement Statistical Measurement [Domain] Business Combination [Abstract] Business Combination [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Foreign Plan Foreign Plan [Member] Restricted cash, current Restricted Cash, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Other Non-Current Assets Other Noncurrent Assets [Member] Loss on investment in investee Income (Loss) from Equity Method Investments Cash dividends (released)/deferred Increase (Decrease) In Deferred Dividends Increase decrease in deferred dividends. Leases [Abstract] Leases [Abstract] Adjusted EBITDA Operating Segment Profitability The operating profitability of each segment, reflecting adjusted earnings before interest, taxes, depreciation and amortization. Increases based on tax positions related to prior periods Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Acquired Finite Lived Intangible Assets [Line Items] Intangible Asset, Acquired, Finite-Lived [Line Items] Schedule of Cash Dividends Declared and Distributed Per Common Share Dividends Declared [Table Text Block] Increase/(decrease) Increase (Decrease) In Contract With Customer, Liability, Current Increase (decrease) in contract with customer liability, current. Accounts payable Increase (Decrease) in Accounts Payable Type of Restructuring [Domain] Type of Restructuring [Domain] Shares withheld for tax withholding Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in USD per share) Earnings Per Share, Basic Gross deferred tax assets Deferred Tax Assets, Gross Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Schedule of Segment Profitability and Reconciliation to Net Income Schedule of Segment Reporting Information, by Segment [Table Text Block] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Remaining performance obligations Revenue, Remaining Performance Obligation, Amount Employee compensation and benefit plans Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits 5.250% senior unsecured notes due 2035 Five Point Two Five Zero Percent Senior Unsecured Notes Due Two Thousand Thirty Five [Member] Five Point Two Five Zero Percent Senior Unsecured Notes Due Two Thousand Thirty Five Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Total share-based compensation expense Share-Based Payment Arrangement, Expense Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Total liabilities and shareholders' equity (deficit) Liabilities and Equity Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Other Deferred Tax Assets, Other General and administrative General and Administrative Expense [Member] Schedule of Maturities of Operating Lease Liability Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type Concentration Risk Type [Domain] Blackrock Inc Blackrock Inc [Member] BlackRock Inc. Long-term operating lease liabilities Increase Decrease In Long Term Operating Lease Liabilities Increase (decrease) in long-term operating lease liabilities. Treasury Stock Treasury Stock, Common [Member] Total fair value of Share-Based Awards converted or vested to common stock Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Pay vs Performance Disclosure [Line Items] Present value of lease liabilities Operating Lease, Liability Foreign currency translation adjustments, net Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent ACQUISITIONS Business Combination [Text Block] Other non-current liabilities Other Liabilities, Noncurrent Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Impairment of goodwill Goodwill, Impairment Loss General basket foreign tax credits Effective Income Tax Rate Reconciliation, General Basket Foreign Tax Credits, Amount Effective Income Tax Rate Reconciliation, General Basket Foreign Tax Credits, Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Schedule of Components of Income Before Provision for Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Changes in the Company’s Level 3 Financial Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Deferred tax liabilities Deferred Income Tax Liabilities, Net Share-based Awards , vested or expected to vest (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Number Share-based compensation arrangement by share-based payment award, equity other than options, vested and expected to vest, outstanding, number. Carrying value Long-Term Debt Total assets Assets 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Research and development credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Concentration Risk Type Concentration Risk Type [Axis] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Dividend declared per common share (in USD per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Right of use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Income Tax Examination [Line Items] Income Tax Examination [Line Items] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Other Other Europe Middle East And Africa Countries [Member] Other Europe, Middle East and Africa Countries. Business Combination Business Combination [Domain] Maturity of Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Schedule of Components of Provision for (Benefit from) Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Property, Equipment and Leasehold Improvements Property, Plant and Equipment, Policy [Policy Text Block] PEO PEO [Member] Interest income Investment Income, Interest Intangible assets Deferred Tax Liabilities, Intangible Assets United States UNITED STATES Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Historical stock price volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Retained Earnings Retained Earnings [Member] Income Tax Jurisdiction Income Tax Jurisdiction [Axis] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalent and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Credit Agreement Variable rate Revolving Loan Commitments Credit Agreement [Member] Credit Agreement Product and Service Product and Service [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] City Area Code City Area Code Schedule of Changes in Allowance for Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Schedule of Change in Accounts Receivable and Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Net deferred tax assets/(liabilities) Deferred Tax Liabilities, Net Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Long-lived assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Schedule of Stock Options Roll Forward Schedule of Stock Options Roll Forward [Table Text Block] Total lease costs Lease, Cost Cost of revenues Cost of Sales [Member] Goodwill Goodwill, Beginning balance Goodwill, Ending balance Goodwill Schedule of Components of Lease Expense (Income), Weighted-Average Remaining Lease Term and Discount Rate, and Other Information Related to the Company's Operating Leases Lease, Cost [Table Text Block] Prepaid and Other Assets Prepaid Expenses and Other Current Assets [Member] Prepaid income taxes Increase (Decrease) in Prepaid Taxes U.S. federal Deferred Federal Income Tax Expense (Benefit) Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Auditor Name Auditor Name Excess share-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount Operating lease, early termination term Lessee Operating Lease Early Termination Term Lessee operating lease early termination term. Property, equipment and leasehold improvements, net Deferred Tax Liabilities Property Equipment And Leasehold Improvements Net Deferred Tax Liabilities Property Equipment And Leasehold Improvements Net Debt instrument maturity Maturity Date Debt Instrument, Maturity Date Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cumulative adjusted EPS performance goal weight Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cumulative Adjusted Earnings Per Common Share Performance Goal Weight Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cumulative Adjusted Earnings Per Common Share Performance Goal Weight Other Performance Measure, Amount Other Performance Measure, Amount Payment of debt issuance costs Payments of Debt Issuance Costs Canceled (in USD per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Forfeited In Period Weighted Average Grant Date Fair Value Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested and unvested, forfeited in period, weighted average Grant date fair value. Dividends declared Dividends Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Senior Unsecured Notes Senior Unsecured Notes [Member] Senior unsecured notes. Additional paid in capital Additional Paid in Capital, Common Stock Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Remaining performance obligations, 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 for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fair value recurring basis unobservable input reconciliation liability gain loss statement of income extensible list not disclosed flag [Extensible Enumeration] Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag Impact of internal legal entity restructuring Effective Income Tax Rate Reconciliation, Internal Legal Entity Restructuring, Percent Effective Income Tax Rate Reconciliation, Internal Legal Entity Restructuring, Percent Right of use assets Operating Lease, Right-of-Use Asset Effective income tax rate Effective Income Tax Rate Reconciliation, Percent All Other – Private Assets Other Operating Segment [Member] Decreases based on tax positions related to prior periods Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease expenses Operating Lease, Cost Capitalized software development costs Payments for Software Computer Software, Intangible Asset Computer Software, Intangible Asset [Member] Post-vesting restriction period Share Based Compensation Arrangement By Share Based Payment Award Post Vesting Restriction Period Share based compensation arrangement by share based payment award post vesting restriction period. Compensation cost related to unvested share-based awards not yet recognized, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Lease liabilities Deferred Tax Assets Lease Liabilities Deferred tax assets lease liabilities. Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Less: valuation allowance Deferred Tax Assets, Valuation Allowance Equity [Abstract] Equity [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Schedule Of Goodwill [Table] Goodwill [Table] Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Windfall tax benefits for share-based compensation expense related to share-based awards and stock options Employee Service Share Based Compensation Windfall Tax Benefit From Compensation Expense Employee service share based compensation windfall tax benefit from compensation expense. Fair value of the defined benefit plan assets Defined Benefit Plan, Plan Assets, Amount Trademarks Trademarks [Member] U.S. federal Current Federal Tax Expense (Benefit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Contingent consideration, liability Business Combination, Contingent Consideration, Liability Leases Lessee, Leases [Policy Text Block] Amortization of intangible assets Amortization of Intangible Assets Deferred tax assets Deferred Income Tax Assets, Net Depreciation and amortization of property, equipment and leasehold improvements Depreciation, Depletion and Amortization Schedule Of Revenues From External Customers And Long Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Revolving Credit Facility Revolving Credit Facility [Member] Statutory tax rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Computer & related equipment Computer Equipment [Member] Vested and unvested Share-based Awards at the beginning of period (in shares) Vested and unvested Share-based Awards at the end of period (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Number Share-based compensation arrangement by share-based Payment award, equity instruments other than options, vested and unvested, number. Segments Segments [Axis] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other Payment for (Proceeds from) Other Investing Activity Thereafter Long-Term Debt, Maturity, after Year Five ASSETS Assets [Abstract] Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument Debt Instrument [Axis] EMPLOYEE BENEFITS Retirement Benefits [Text Block] PPOs Premium Priced Stock Options [Member] Premium Priced Stock Options Business Combination [Line Items] Business Combination [Line Items] Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Credit Facility Credit Facility [Domain] Shareholders' equity (deficit): Equity, Attributable to Parent [Abstract] Common stock repurchased and held in treasury Dollar Value of Shares Repurchased Treasury Stock, Value, Acquired, Cost Method Debt instrument interest rate Debt Instrument, Interest Rate, Stated Percentage Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Total Americas Americas [Member] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Accounts receivable (net of allowances of $6,421 and $5,284 at December 31, 2025 and December 31, 2024, respectively) Opening Closing Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Other non-current assets Increase (Decrease) in Other Noncurrent Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Pension related net period benefit expense Net periodic benefit expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Other State and Local Tax Jurisdiction, Other [Member] Number of operating segments Number of Operating Segments Discount of Lack of Marketability Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Discount for Postvesting Restrictions Summary of Vested and Unvested Share-Based Awards Activity Schedule Of Vested And Unvested Share Based Awards Activity Table [Table Text Block] Schedule of vested and unvested share-based awards activity. Income Tax, Examination [Table] Income Tax, Examination [Table] Schedule of Gross Carrying and Accumulated Amortization Amounts Related to Company's Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Non U.S. Deferred Foreign Income Tax Expense (Benefit) Effect of changes in tax laws or rates enacted in the current period Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Name Trading Arrangement, Individual Name Number of Option Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares [Roll Forward] Face amount Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] 3.625% senior unsecured notes due 2031 Three Point Six Two Five Percent Senior Unsecured Notes Due Two Thousand Thirty One [Member] 3.625% Senior Unsecured Notes Due 2031 [Member]. Share Repurchase Program Share Repurchase Program [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag 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 Share-based Awards , vested or expected to vest, weighted average price (in USD per share) Share Based Compensation Arrangement By Share Based Payment Awards Vested And Expected To Vest Weighted Average Price Share based compensation arrangement by share based payment awards vested and expected to vest weighted average price. Cumulative revenue performance goal weight Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cumulative Revenue Performance Goal Weight Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Cumulative Revenue Performance Goal Weight Compensation payable in common stock APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Foreign tax effects Foreign Foreign Tax Jurisdiction [Member] Auditor Firm ID Auditor Firm ID Segments Segments [Domain] Statement of Income Location, Balance Statement of Income Location, Balance [Axis] Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Schedule Of Introduction And Basis Of Presentation [Table] Schedule Of Introduction And Basis Of Presentation [Table] Schedule Of Introduction And Basis Of Presentation [Table] Schedule of Remaining Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Statement of Financial Position Location, Balance Statement of Financial Position Location, Balance [Domain] Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Common stock issued to Directors and (held in)/released from treasury Treasury Stock Value Issued To Directors Value of common stock issued, but undelivered, to directors. The timing of the delivery of the shares has been deferred until a future date. Senior Notes Senior Notes [Member] Schedule of Amortization Expense Related to Intangible Assets by Category Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Preferred Stock (par value $0.01, 100,000,000 shares authorized, 0 shares issued) Preferred Stock, Value, Issued Deferred Intercompany Gains Deferred Intercompany Gains [Member] Deferred Intercompany Gains All Executive Categories All Executive Categories [Member] Schedule of Significant Components of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock (par value $0.01; 750,000,000 common shares authorized; 134,319,833 and 134,079,855 common shares issued and 73,563,183 and 77,744,588 common shares outstanding at December 31, 2025 and December 31, 2024, respectively) Common Stock, Value, Issued Commitments and Contingencies (see Note 6 and Note 10) Commitments and Contingencies Business Combination Business Combination [Axis] RECENT ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] Income tax effect Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Canceled or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Settlement, Percent Disclosure of remaining performance policy Revenue, Performance Obligation, Description of Timing Impairment related to sublease of leased property Impairment Related To Sublease Of Leased Property Impairment related to sublease of leased property. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Canceled (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Forfeited In Period Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested and unvested, forfeited in period. Fair Value Debt Instrument, Fair Value Disclosure Scenario [Axis] Scenario [Axis] Reconciliation of Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Requisite service period of awards Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Long-term Debt, Type Long-Term Debt, Type [Domain] 3.625% senior unsecured notes due 2030 Three Point Six Two Five Percent Senior Unsecured Notes Due Two Thousand Thirty [Member] Three point six two five percent senior unsecured notes due two thousand thirty. Capital expenditures 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] Foreign exchange translation adjustment Goodwill, Foreign Currency Translation, Gain (Loss) Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Geographical Geographical [Axis] Lessee Lease Description [Line Items] Lessee, Lease, Description [Line Items] Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Pension and other post-retirement adjustments, net Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards Forecast Forecast [Member] Acquisition-related integration and transaction costs Business Combination Integration Related Costs And Transaction Costs Business combination integration related costs and transaction costs. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Net operating loss carryforwards, tax value Operating Loss Carryforwards Tax Value Operating loss carryforwards, tax value. Lessee Lease Description [Table] Lessee, Lease, Description [Table] Recognition of tax basis intangibles Effective Income Tax Rate Reconciliation, Recognition Of Tax Basis Intangibles, Amount Effective Income Tax Rate Reconciliation, Recognition Of Tax Basis Intangibles, Amount Defined benefit plan, net pension liability Liability, Defined Benefit Pension Plan Total Pension and Other Postretirement Benefits Cost (Reversal of Cost) Earnings per share: Earnings Per Share [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Other expense (income), net Other expense (income), net Nonoperating Income (Expense) Foreign-derived intangible income Effective Income Tax Rate Reconciliation, FDII, Percent Schedule of Interest Payments Due Attributable to Outstanding Indebtedness Interest Income and Interest Expense Disclosure [Table Text Block] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Supplemental disclosure of non-cash investing activities Supplemental Disclosures Of Non Cash Investing Activities [Abstract] Supplemental disclosures of non cash investing activities. Granted (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Grants In Period Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested and unvested, grants in period. 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Schedule of Company's Common Stock Repurchases Made on Open Market Class of Treasury Stock [Table Text Block] Aggregate fair value Share Based Compensation Arrangement By Share Based Payment Award Outstanding Aggregate Fair Value Share based compensation arrangement by share based payment award outstanding aggregate fair value. 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] Subsequent Event Type Subsequent Event Type [Domain] Other effects of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount 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] Other Deferred Tax Liabilities, Other Retirement Plan Type [Axis] Retirement Plan Type [Axis] Statement [Table] Statement [Table] Other expense (income) Other Nonoperating Income (Expense) Foxberry Foxberry Ltd [Member] Foxberry Ltd Total deferred tax provision/(benefit) Tax benefit Deferred Income Tax Expense (Benefit) Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation 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] Decreases related to a lapse of applicable statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Vested and unvested Share-based Awards (in USD per share) Vested and unvested Share-based Awards (in USD per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Unvested Weighted Average Grant Date Fair Value Other foreign jurisdictions Other Foreign Tax Jurisdiction, Other [Member] Variable Rate [Domain] Variable Rate [Domain] INTRODUCTION AND BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag 401(k) and other defined contribution plans Other Postretirement Benefits Plan [Member] Amortization expense of internally developed capitalized software Internally developed capitalized software Software Development [Member] Treasury shares, at cost (60,756,650 and 56,335,267 common shares held at December 31, 2025 and December 31, 2024, respectively) Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Unvested stock option awards expected to vest Share-Based Compensation Arrangement By Share-Based Payment Award, Option, Nonvested, Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement By Share-Based Payment Award, Option, Nonvested, Weighted Average Remaining Contractual Term Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Amount of accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Basic (in USD per share) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Other Other Asia And Australia Countries [Member] Other Asia and Australia Countries. Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Common Stock Outstanding Common Stock Outstanding [Member] Common stock outstanding. Schedule of Computation of Basic and Diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Remaining stock options outstanding exercisable (in shares) Exercisable stock option awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Debt Disclosure [Abstract] Scenario [Domain] Scenario [Domain] Operating expenses: Costs and Expenses [Abstract] Write-offs, net of recoveries Accounts Receivable, Allowance for Credit Loss, Writeoff 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] Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Treasury Stock Treasury Stock Policy [Policy Text Block] Treasury Stock [Policy Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Basis of Financial Statements and Use of Estimates Use of Estimates, Policy [Policy Text Block] Work-in-process Construction in Progress, Gross SUBSEQUENT EVENTS Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Total liabilities Liabilities Other expense (income) Other Nonoperating Income (Expense) [Member] Deferred tax liabilities, decrease amount Deferred Tax Liabilities, Increase (Decrease), Amount Deferred Tax Liabilities, Increase (Decrease), Amount Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Increases based on tax positions related to the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Schedule of Employee Benefit Expense by Cost, Type and Location Schedule of Costs of Retirement Plans [Table Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Common stock issued Stock Issued During Period, Value, New Issues Variable Rate [Axis] Variable Rate [Axis] Unvested stock option awards expected to vest Share-Based Compensation Arrangement By Share-Based Payment Award, Option, Nonvested, Aggregate Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Option, Nonvested, Aggregate Intrinsic Value Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]