Total accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Performance-Based Restricted Stock Units Under The Total Shareholder Return Performance Plan Performance-Based Restricted Stock Units Under The Total Shareholder Return Performance Plan [Member] Performance-Based Restricted Stock Units Under The Total Shareholder Return Performance Plan Range [Domain] Statistical Measurement [Domain] Operating lease, liability, current, statement of financial position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] United States and Europe United States And Europe [Member] United States And Europe Directors stock-based compensation Directors Stock-Based Compensation [Member] Directors Stock-Based Compensation Schedule of Non-vested Performance-based Restricted Stock Units Activity Schedule of Nonvested Performance-Based Units Activity [Table Text Block] Restricted cash Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Total non-cash stock-based compensation included in the condensed consolidated statements of operations Total non-cash stock-based compensation included in the condensed consolidated statements of operations Allocated Share-based Compensation Expense, Employee And Non-Employee Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional paid-In capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Basic earnings (loss) per share: Earnings Per Share, Basic [Abstract] 2030 Lessor, Operating Lease, Payment to be Received, Year Four Accounting Pronouncements Adopted During the Current Year and Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Operating Activities [Axis] Operating Activities [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Goodwill information Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings (loss) per share (in dollars per share) Basic earnings (loss) per share (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities REVENUE FROM CONTRACTS WITH CUSTOMERS Revenue from Contract with Customer [Text Block] Contractors [Abstract] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Stock issued during period, ESPP (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Continuing Operations Continuing Operations [Member] Revenue, remaining performance obligation Revenue, Remaining Performance Obligation, Amount Other miscellaneous noncurrent assets Other Assets, Miscellaneous, Noncurrent Adjustment to Compensation, Amount Adjustment to Compensation Amount Range of exercise price per share from $0 to $9.99 Range One Of Exercise Prices [Member] Other assets Increase (Decrease) in Other Operating Assets Non-cash stock compensation expense Less: stock compensation expenses Share-Based Payment Arrangement, Noncash Expense Stock options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Excise tax payable on net stock repurchases Share Repurchase Program, Excise Tax Grantee Status [Domain] Grantee Status [Domain] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Impairment charges Asset Impairment Charges Purchases of strategic investments Payments to Acquire Equity Method Investments Total stockholders' equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive income (loss): Comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Share-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] 2026 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Remainder Of Fiscal Year Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Remainder Of Fiscal Year Total liabilities and stockholders' equity Liabilities and Equity San Francisco and Phoenix San Francisco and Phoenix [Member] San Francisco and Phoenix Fair value measurements on recurring basis Fair Value, Recurring [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock Option Activity - Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Group Of Foreign Countries All Foreign Countries [Member] Represents information pertaining to specified group of foreign countries. Cover page. Cover [Abstract] Cash and Cash Equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Exercisable at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price General and administrative General and Administrative Expense [Member] Leased Office Facilities Leased Office Facilities [Member] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Accounting Policies [Abstract] Total intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Future Minimum Payments under all Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Restricted Stock Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock Treasury Stock, Common [Member] Vested in period, fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total discounted operating lease liabilities Operating Lease, Liability Share Repurchase Program [Line Items] Share Repurchase Program [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Total undiscounted lease payments Lessor, Operating Lease, Payment to be Received Total undiscounted lease payments Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS' EQUITY: EARNING (LOSS) PER SHARE AND STOCKHOLDERS’ EQUITY [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Options exercisable (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Other liabilities Other liabilities Other Liabilities, Noncurrent Exercise price per share, high end of range (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Components of Other Current Assets Schedule of Other Current Assets [Table Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Exercise Price Range [Axis] Exercise Price Range [Axis] Name Measure Name Restructuring reserve, at the beginning of the period Restructuring reserve, at the end of the period Restructuring reserve Restructuring Reserve Other current assets Prepaid Expense and Other Assets, Current [Abstract] Short-term lease liabilities included in other accrued expenses Short-term lease liabilities Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Schedule of Other Liabilities Other Liabilities [Table Text Block] Award Timing Method Award Timing Method [Text Block] Excise tax rate (in percentage) Share Repurchase Program, Excise Tax Rate Share Repurchase Program, Excise Tax Rate Award Type [Axis] Award Type [Axis] Cash received for tenant improvement allowances Cash Received For Tenant Improvement Allowances Cash Received For Tenant Improvement Allowances Total assets Assets Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Changes in Restricted Stock Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Thereafter Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Four Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Four Business combination, contingent consideration, liability, expected costs Business Combination, Contingent Consideration, Liability, Expected Costs Business Combination, Contingent Consideration, Liability, Expected Costs Geographical [Domain] Geographical [Domain] Restricted stock units vested (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town INTANGIBLE ASSETS Intangible Assets Disclosure [Text Block] Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Restricted stock units Restricted Stock Units (RSUs) [Member] Range of exercise price per share from $10.00 to $19.99 Range Two Of Exercise Prices [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Lease-related impairment and restructuring charges Impairment, Long-Lived Asset, Held-for-Use Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Outstanding at beginning of the period (in shares) Outstanding at end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Net operating lease payments Lessee, Operating Lease, Liability, Payments, Net Sublease Income, Fiscal Year Maturity [Abstract] Lessee, Operating Lease, Liability, Payments, Net Sublease Income, Fiscal Year Maturity [Abstract] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Operating lease payments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Schedule of Share-based Compensation Arrangement by Share Based Payment Award, Future Expense Schedule of Share Based Compensation Arrangement By Share Based Payment Award, Future Expense, By Award Type [Table Text Block] Schedule of Share Based Compensation Arrangement By Share Based Payment Award, Future Expense, By Award Type Balance, beginning of the period (in shares) Balance, end of the period (in shares) Common Stock, Shares, Outstanding Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Table] 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Provision for doubtful accounts Additions charged to costs and expenses Accounts Receivable, Credit Loss Expense (Reversal) Phoenix Phoenix [Member] Phoenix Plan Name [Axis] Plan Name [Axis] Other Current Assets Other Assets, Fair Value Disclosure PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Employee-related reserves Employee Severance Employee Severance [Member] Interest income Investment Income, Interest United States U.S. UNITED STATES Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Estimated Future Amortization Expenses related to Purchases and Other Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Retained earnings Retained Earnings [Member] Non-vested restricted stock unit activity Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Schedule of Other Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income Statement [Abstract] Income Statement [Abstract] Income tax expense (benefit) Income Tax Expense (Benefit) Facility Closing Facility Closing [Member] Short-Term Investments Investments, Fair Value Disclosure Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Products and Services [Domain] Product and Service [Domain] Fair Value, Hierarchy [Axis] Fair Value Hierarchy and NAV [Axis] Total discounted operating lease liabilities Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, After Discount Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, After Discount Property, plant and equipment, gross Property, Plant and Equipment, Gross 2029 Lessor, Operating Lease, Payment to be Received, Year Three Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Income taxes Increase (Decrease) in Income Taxes Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] City Area Code City Area Code Marketplace and Other Marketplace And Other [Member] Cash paid in acquisitions, net of cash received Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Leasehold improvements, impairment loss Operating Lease, Leasehold Improvements, Impairment Loss Operating Lease, Leasehold Improvements, Impairment Loss Outstanding at the beginning of the period (in shares) Outstanding at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Deferred tax liabilities Deferred Tax Liabilities, Net General and administrative General and Administrative Expense Long-lived assets Long-Lived Assets Stock options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Data processing equipment Technology Equipment [Member] Proceeds from sale of strategic investment Proceeds from Sale of Debt Securities, Available-for-Sale Leasehold improvements Building Improvements [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Total leases costs, net Lease, Cost Cost of revenue Cost of Sales [Member] Goodwill Goodwill at the beginning of year Goodwill at the end of year Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Right-of-use Asset, Lease Liability Balances and Lease Cost Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Depreciation expense Depreciation Employee stock awards, benefit plans and other issuances (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plan, Options Exercised Benefit Plans And Other Issuances Money market funds Money Market Funds [Member] 2026 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year OTHER LIABILITIES Other Liabilities Disclosure [Text Block] Non-cash stock-based compensation expense Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Operating sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Weighted-average exercise price per share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Schedule of Contractual Obligation, Fiscal Year Maturity Contractual Obligation, Fiscal Year Maturity [Table Text Block] Entity Address, State or Province Entity Address, State or Province ROU asset group impairments and adjustments Operating Lease, Impairment Loss Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] 2027 Lessor, Operating Lease, Payment to be Received, Year One Deferred commissions Increase (Decrease) in Deferred Charges Total current liabilities Liabilities, Current Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Loss on marketable equity securities Equity Securities, FV-NI, Gain (Loss) Operating lease assets, and related lease liabilities, relinquished in lease terminations Right-of-Use Asset And Lease Liabilities Acquired (Relinquished) In Lease Terminations Right-of-Use Asset And Lease Liabilities Acquired (Relinquished) In Lease Terminations Individual: Individual [Axis] Vesting [Axis] Vesting [Axis] Payments expected under noncancellable subleases Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Habu acquisition consideration holdback Habu Consideration Holdback [Member] Habu Consideration Holdback Other current assets Other current assets Other Assets, Current Research and development Research and Development Expense [Member] Additional paid-in capital Additional Paid in Capital, Common Stock Employee-related expenses, net of stock compensation expenses Labor and Related Expense, Excluding Share-Based Compensation Labor and Related Expense, Excluding Share-Based Compensation Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] 2027 Purchase Obligation, to be Paid, Year One Schedule of Effect of Stock-based Compensation Expense on Income, by Financial Statement Line Item Share-based Compensation Arrangements by Share-based Payment Award, Stock-based Compensation Expense On Income, By Financial Statement Line Item [Table Text Block] Share-based Compensation Arrangements by Share-based Payment Award, Stock-based Compensation Expense On Income, By Financial Statement Line Item Document Fiscal Year Focus Document Fiscal Year Focus Right-of-use assets included in other assets, net Right-of-use assets Operating Lease, Right-of-Use Asset STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION Shareholders' Equity and Share-Based Payments [Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Future Expense Time Period [Domain] Future Expense Time Period [Domain] Future Expense Time Period Entity Interactive Data Current Entity Interactive Data Current Operating lease costs Operating Lease, Cost Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Plan Name [Domain] Plan Name [Domain] Liability-based equity awards Liability Based Award [Member] Options outstanding - Weighted-average remaining contractual life Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity Equity [Abstract] Future Expense Time Period [Axis] Future Expense Time Period [Axis] Future Expense Time Period Performance stock Performance Stock [Member] Restructuring Activity 2021 Restructuring Activity 2021 [Member] Restructuring Activity 2021 Exercisable at the end of the period - Aggregate Intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Net cash provided by (used in) continuing operations Cash Provided by (Used in) Continuing Operation Total Purchase Obligation SEGMENT AND GEOGRAPHIC INFORMATION Segment Reporting Disclosure [Text Block] Schedule of Goodwill and Intangible Assets [Table] Goodwill [Table] Fair value of assets and liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] ALLOWANCE FOR CREDIT LOSSES Allowance for Credit Losses [Text Block] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Office furniture and other equipment Other Capitalized Property Plant and Equipment [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Business combination, contingent consideration, liability Business Combination, Contingent Consideration, Liability Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Restructuring Activity 2017 Restructuring Activity 2017 [Member] Restructuring Activity 2017 Amortization expense Amortization of Intangible Assets Schedule of Future Minimum Payments under Sublease Income Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Deferred tax asset Deferred Income Tax Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization Other assets, net Other assets, net Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key Other miscellaneous accrued expenses Other Accrued Expenses Current PEO Name PEO Name Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Accumulated other comprehensive income balances Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax 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] 2028 Purchase Obligation, to be Paid, Year Two Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other Other Sundry Liabilities, Noncurrent Schedule of Employee Related Costs Net of Stock Based Compensation Schedule Of Employee Related Costs Net Of Stock Based Compensation [Table Text Block] Schedule Of Employee Related Costs Net Of Stock Based Compensation Deferred revenue Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Less: Interest and short-term leases Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Undiscounted Excess Amount Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Future share-based compensation expense expected Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Europe Europe [Member] Habu consideration holdback Business Combination, Contingent Consideration, Liability, Current ASSETS Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Restructuring Activity 2023 Restructuring Activity 2023 [Member] Restructuring Activity 2023 Vesting [Domain] Vesting [Domain] Forfeited or cancelled (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 FAIR VALUE OF FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Total intangible assets, gross Finite-Lived Intangible Assets, Gross Stockholders' equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Award vesting rights percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Acquisition of treasury stock, including transaction costs and excise tax Acquisition of treasury stock, including transaction costs and excise tax Treasury Stock, Value, Acquired, Cost Method Research and development Research and Development Expense Schedule of Stock Options Outstanding and Exercisable Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] Long-term lease liabilities included in other liabilities Long-term lease liabilities Operating Lease, Liability, Noncurrent Proceeds from sales of investments Proceeds from Sale and Maturity of Other Investments Exercise price per share, low end of range (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Aggregate fair value of restricted stock units granted Share Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Total Fair Value Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Restructuring Activity 2024 Restructuring Activity 2024 [Member] Restructuring Activity 2024 Deferred tax liability not recognized, amount of unrecognized deferred tax liability, bad debt reserve for tax purposes of qualified lender Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Bad Debt Reserve for Tax Purposes of Qualified Lender Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Employee-related expenses Labor and Related Expense Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Operating lease, ROU asset, impairment loss Operating Lease, Right-Of-Use Asset, Impairment Loss Operating Lease, Right-Of-Use Asset, Impairment Loss Purchases of investments Payments to Acquire Investments Forfeited or canceled (in shares) Forfeited or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Future expense for performance stock option units Expected future expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Total assets Assets, Fair Value Disclosure Schedule of Stock-based Compensation Activity, by Award Type Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Strategic investments Strategic investments without readily determinable fair values Equity Securities without Readily Determinable Fair Value, Amount Number of operating segments Number of Operating Segments 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Outstanding - Weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Non-cash stock-based compensation (in shares) Adjustments To Additional Paid In Capital Share Based Compensation Requisite Service Period Recognition Shares 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Deposits Deposits Assets, Noncurrent Assets of non-qualified retirement plan Non-Qualified Retirement Plan, Assets For Plan Benefits, Current Restatement Determination Date: Restatement Determination Date [Axis] Restricted stock units vested Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Outstanding at the end of the period - Aggregate Intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Other Other Countries [Member] Other Countries Stock issued during period, ESPP, value Stock Issued During Period, Value, Employee Stock Purchase Plan Purchase Obligation, Fiscal Year Maturity [Abstract] Purchase Obligation, Fiscal Year Maturity [Abstract] Restructuring Activity 2025 Restructuring Activity 2025 [Member] Restructuring Activity 2025 Name Trading Arrangement, Individual Name Liabilities of non-qualified retirement plan Liability Non Qualified Retirement Plan Equity Award [Domain] Award Type [Domain] 2027 Future minimum payments related as a result of exit from certain leased office facilities Lessee, Operating Lease, Liability, to be Paid, Year One GOODWILL Goodwill Disclosure [Text Block] Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] London, England London, England [Member] London, England Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Certificates of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Range of exercise price per share from $20.00 to $24.99 Range Three Of Exercise Prices [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Schedule of Activity of the Allowance For Credit Losses, Returns And Credits Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Consideration Holdback Consideration Holdback [Member] Consideration Holdback Payments Payments for Restructuring Outstanding at the beginning of the period (in dollars per share) Outstanding at the end of the period (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 Restructuring Type [Axis] Restructuring Type [Axis] OTHER CURRENT AND NONCURRENT ASSETS Other Assets Disclosure [Text Block] 2028 Time Period Three [Member] Time Period Three Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Other non-operating losses Other Nonoperating Gains (Losses) Employee stock purchase plan Employee Stock [Member] Other Other Miscellaneous Operating Income (Expense), Net Other Miscellaneous Operating Income (Expense), Net Credit Loss [Abstract] Total non-cash stock-based compensation included in the condensed consolidated statements of equity APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Sales and marketing Selling and Marketing Expense Financial Instruments [Domain] Financial Instruments [Domain] Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Restructuring charges and adjustments Employee-related restructuring plan charges Restructuring Reserve Charges and Adjustments Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Schedule of Gains, Losses and Other Items Other Operating Income And Expense [Table Text Block] Schedule of Accounting Pronouncements Adopted During the Current Year and Recent Accounting Pronouncements not yet Adopted Accounting Standards Update and Change in Accounting Principle [Table Text Block] Minimum Minimum [Member] Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Subscription Subscription [Member] Paris, France Paris, France [Member] Paris, France Company Selected Measure Name Company Selected Measure Name Schedule of Intangible Assets Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Gain on sale of strategic investments Gain (Loss) on Sale of Investments Preferred stock Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Cash paid for operating lease liabilities Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Time-Based Vesting Over Three Years Time-Based Vesting Over Three Years [Member] Time-Based Vesting Over Three Years All Executive Categories All Executive Categories [Member] Common stock Common Stock, Value, Issued Restructuring Plan [Domain] Restructuring Plan [Domain] Goodwill Goodwill [Roll Forward] Short-term investments Short-Term Investments Operating Activities [Domain] Operating Activities [Domain] Long-term prepaid revenue share Prepaid Revenue Share, Noncurrent Prepaid Revenue Share, Noncurrent COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Other noncurrent assets Other Assets, Noncurrent [Abstract] Diluted weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 14) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average remaining contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Habu restricted stock awards Habu Restricted Stock Awards [Member] Habu Restricted Stock Awards Options exercisable - Weighted-average exercise price per share (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Document Transition Report Document Transition Report Non-cash stock-based compensation APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Underlying Securities Award Underlying Securities Amount Customer relationship/trade name, gross Customer Relationships And Trade Names [Member] Customer Relationships And Trade Names San Francisco San Francisco [Member] San Francisco Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Forfeited or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period INCOME TAX Income Tax Disclosure [Text Block] Diluted earnings (loss) per share: Earnings Per Share, Diluted [Abstract] Balance at beginning of period Balance at end of period Accounts Receivable, Allowance for Credit Loss Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Operating lease, liability, noncurrent, statement of financial position [Extensible Enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Exercisable - Weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Balance, beginning of the period Balance, end of the period Equity, Including Portion Attributable to Noncontrolling Interest Stock options outstanding and exercisable by exercise price range Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Document Type Document Type The total fair value of performance-based restricted stock units Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value2 Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value2 Name Outstanding Recovery, Individual Name Time Based Vesting Time-Based Vesting [Member] Products and Services [Axis] Product and Service [Axis] Proceeds related to the issuance of common stock under stock and employee benefit plans Proceeds from Issuance of Common Stock Number of leased office space exited Number Of Leased Office Space Exited Number Of Leased Office Space Exited Restricted stock units, performance-based Performance Based Vesting [Member] Performance Based Vesting Common Stock Repurchase Program Common Stock Repurchase Program [Member] Revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Lease accruals Contract Termination [Member] Fair Value Disclosures [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Lease restructuring accruals and related sublease deposits Restructuring Reserve, Noncurrent Total current assets Assets, Current Range [Axis] Statistical Measurement [Axis] 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] Other Liabilities Disclosure [Abstract] Forfeited or cancelled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Restructuring reserve related charges Restructuring Reserve Related Charges Restructuring Reserve Related Charges Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Change in foreign currency translation adjustment Goodwill, Foreign Currency Translation, Gain (Loss) Exercised - Aggregate Intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Shares repurchased for tax withholdings upon vesting of stock-based awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Current liabilities: Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Assets of non-qualified retirement plan Non-qualified Retirement Plan [Member] Non-qualified Retirement Plan Level 1: Fair Value, Inputs, Level 1 [Member] Other Accrued Expenses [Abstract]. n/a Loss on disposal or impairment of assets Gain (Loss) on Disposition of Assets 2029 Time Period Four [Member] Time Period Four Asia-Pacific ("APAC") Asia Pacific [Member] Diluted earnings (loss) per share (in dollars per share) Earnings Per Share, Diluted Options outstanding - Weighted-average exercise price per share (in dollars per share) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Trade accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current 2026 Time Period One [Member] Time Period One Title of 12(b) Security Title of 12(b) Security Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Common stock, at cost (in shares) Treasury Stock, Common, Shares Habu Habu [Member] Habu Earnings Per Share [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Employee stock awards, benefit plans and other issuances Stock Issued During Period, Value, Employee Stock Plan, Options Exercised Benefit Plans And Other Issuances Total other income, net Total other income, net Nonoperating Income (Expense) Performance Shares Vesting Total Shareholder Return Performance Shares Vesting Total Shareholder Return [Member] Gross profit Gross Profit Stock Option and Equity Compensation Plans Stock Option And Equity Compensation Plans [Member] OTHER ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Less: Interest and short-term leases Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash paid for income taxes, net Income Taxes Paid, Net Acquisition of treasury stock, including transaction costs and excise tax (in shares) Acquisition of common stock (in shares) Treasury Stock, Shares, Acquired Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Philadelphia Philadelphia [Member] Philadelphia Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Accrued payroll and related expenses Employee-related Liabilities, Current PROPERTY AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Total undiscounted lease payments Lessee, Operating Lease, Liability, to be Paid Net earnings (loss) Net earnings (loss) Net earnings (loss) Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Other accrued expenses Other accrued expenses Other Accrued Liabilities, Current 2027 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year One Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year One Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Property and equipment, net of accumulated depreciation and amortization Property and equipment, net of accumulated depreciation and amortization Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Lease-related restructuring plan charges and adjustments Restructuring Charges Less: Interest and short-term leases Lessor, Operating Lease, Payment to be Received, Undiscounted Excess Amount Lessor, Operating Lease, Payment to be Received, Undiscounted Excess Amount Acquisition of treasury stock Acquisition of treasury stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Shares issued, price per share (in dollars per share) Shares Issued, Price Per Share Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Restricted stock units, time-vesting Time-Vesting [Member] Time-Vesting Deferred commissions, net Contract with Customer, Asset, after Allowance for Credit Loss Schedule of Restructuring and Related Costs [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status 2027 Time Period Two [Member] Time Period Two Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Income from operations Operating Income (Loss) Retained earnings Retained Earnings (Accumulated Deficit) Schedule of Share Repurchases Class of Treasury Stock [Table Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 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] Executive Category: Executive Category [Axis] 2029 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Three Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Three Gains, losses and other items, net Gains, losses and other items, net Other Operating Income (Expense), Net International Operating Metrics Performance Plan International Operating Metrics Performance Plan [Member] International Operating Metrics Performance Plan Current Fiscal Year End Date Current Fiscal Year End Date 2028 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Two Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Two Reportable Segment Reportable Segment [Member] Reportable Segment 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] Non-vested restricted stock units, Weighted average fair value per share at grant date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Shares which remained available for future grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Non-cash operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash Cash [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] United States, Europe and Asia Pacific United States, Europe and Asia Pacific [Member] United States, Europe and Asia Pacific Schedule of Financial Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Anti-dilutive equity awards under stock-based award plans excluded from the determination of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS’ EQUITY Earnings Per Share And Stockholders Equity Disclosure [Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Four Lessor, Operating Lease, Payment to be Received, after Year Four Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Total shares reserved for issuance since inception of the stock option and equity compensation plans (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Developed technology, gross Software Development [Member] Treasury stock, at cost Common stock, at cost Treasury Stock, Common, Value LEASES Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Deferred revenue Increase (Decrease) in Contract with Customer, Asset Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] 2030 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Four Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Four Measure: Measure [Axis] Uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Stock repurchase program, authorized additional amount Stock Repurchase Program, Additional Authorized Amount Stock Repurchase Program, Additional Authorized Amount Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Basic weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock repurchase program, remaining amount Share Repurchase Program, Remaining Authorized, Amount Cost of revenue Cost of Product and Service Sold Schedule of Reconciliation of Numerator And Denominator of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Share Repurchase Program [Table] Share Repurchase Program [Table] Exercisable at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Exercise Price Range [Domain] Segment Reporting [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 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 Common Stock Common Stock Including Additional Paid in Capital [Member] Entity Tax Identification Number Entity Tax Identification Number Share-Based Payment Arrangement, Nonemployee Share-Based Payment Arrangement, Nonemployee [Member] Grantee Status [Axis] Grantee Status [Axis] Operating expenses Costs and Expenses [Abstract] Other changes Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Bad debts written off, net of amounts recovered Accounts Receivable, Allowance for Credit Loss, Writeoff Outstanding at the beginning of the period (in dollars per share) Outstanding at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Trade accounts payable Accounts Payable, Trade, Current Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Sales and marketing Sales And Marketing [Member] Sales And Marketing Share-based compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Refundable income taxes, net Income Taxes Receivable, Current Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Stock grants to non-employee directors (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Interest expense Interest Expense, Nonoperating Schedule of Goodwill by Operating Segment and Activity and by Component Included in Each Segment Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total discounted operating lease liabilities Lessor, Operating Lease, Payment to be Received, Net Of Discount Lessor, Operating Lease, Payment to be Received, Net Of Discount Total Shareholder Return Amount Total Shareholder Return Amount Options outstanding (in shares) Share-Based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Schedule of Components of Other Noncurrent Assets Schedule of Other Assets, Noncurrent [Table Text Block] Change in foreign currency translation adjustment Foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] The Netherlands NETHERLANDS Security Exchange Name Security Exchange Name Boston Boston [Member] Boston Equity securities Equity Securities [Member] 2028 Lessor, Operating Lease, Payment to be Received, Year Two Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Purchases of property, plant and equipment remaining unpaid at period end Capital Expenditures Incurred but Not yet Paid Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Prepaid expenses and other Prepaid Expense, Current Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Statement [Line Items] Statement [Line Items] Number of performance plans Share-Based Compensation Arrangement by Share-Based Payment Award, Number Of Performance Plans Share-Based Compensation Arrangement by Share-Based Payment Award, Number Of Performance Plans Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Schedule of Restructuring Activity Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Schedule of Time-vesting Restricted Stock Unit Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Number of available shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Operating Metrics Performance Plan Operating Metrics Performance Plan [Member] Operating Metrics Performance Plan Net change 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 Dilutive effect of common stock options and restricted stock unit as computed under the treasury stock method (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment