Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Business Combination [Abstract] Business Combination [Abstract] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Other liabilities assumed Business Combination, Recognized Liability Assumed, Liability, Current Award Timing Predetermined Award Timing Predetermined [Flag] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Maximum percentage of target number of shares subject to each PSU Percentage of Shares Target to Each Performance Stock Unit The percentage of the target number of shares subject to each PSU eligible to vest. Tabular List, Table Tabular List [Table Text Block] Amortized cost of cash and cash equivalents Cash and Cash Equivalents, Amortized Cost Amortized cost of cash and cash equivalents. Intangible Assets Intangible Asset, Acquired, Finite-Lived [Line Items] Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Organization and Description of Business Organization and Description of Business [Abstract] Organization and Description of Business SOFR Secured Overnight Financing Rate (SOFR) [Member] Unrecognized Stock-Based Compensation Costs Not Yet Recognized, Net of Estimated Forfeitures Related to Unvested RSUs, PSUs and MSUs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount [Abstract] Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Total cash, cash equivalents and funds held for clients' cash and cash equivalents Cash, Cash Equivalents and Funds Held for Clients' Cash and Cash Equivalent Amount of cash and cash equivalents and funds held for clients cash and cash equivalents. Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (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] Gross unrealized gains on funds held for clients' cash and cash equivalents Funds Held For Clients' Cash And Cash Equivalents, Accumulated Gross Unrealized Gain, Before Tax Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on funds held for clients' cash and cash equivalents measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Schedule of market stock unit activity Share-based Payment Arrangement, Market Stock Unit, Activity [Table Text Block] Tabular disclosure of the number and weighted-average grant date fair value for market stock units that were outstanding at the beginning and end of the year, and the number of market stock units that were granted, vested, or forfeited during the year. Revenue Revenue from Contract with Customer [Text Block] Accounts payable Increase (Decrease) in Accounts Payable, Trade Schedule of segment revenue, significant expenses and other segment items included in consolidated net income Schedule of Segment Reporting Information, by Segment [Table Text Block] Issuance of common stock under employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Minimum value of unsatisfied performance obligations on term-based contracts Revenue, Remaining Performance Obligation, Amount Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Grayscale Labs Inc. Grayscale Labs Inc. [Member] Grayscale Labs Inc. Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Total current liabilities before client fund obligations Liabilities Current before Client Fund Obligations Represents the amount of total current liabilities, before client fund obligations, incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock-based compensation expense Share-Based Payment Arrangement, Expense Reconciliation of cash, cash equivalents and funds held for clients' cash and cash equivalents to the Consolidated Balance Sheets Reconciliation of Cash, Cash Equivalents and Funds Held for Clients' Cash and Cash Equivalents to the Unaudited Consolidated Balance Sheets No definition available Schedule of property and equipment, net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Anti-dilutive securities excluded from diluted per share calculations Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] General and administrative General and Administrative Expense [Member] Credit impairment losses Credit Impairment Loss The amount of loss during the period due to credit impairment. Accounting Policies [Abstract] Accounting Policies [Abstract] Two years to three years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Two Years to Three Years Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in the second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Fair value of available-for-sale securities in unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position Intangible assets, net Intangible assets, net Finite-Lived Intangible Assets, Net 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] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Maximum borrowing capacity, subject to additional lender commitments and satisfaction of other requirements Line of Credit Facility Contingent Increase, Aggregate Maximum Borrowing Capacity The aggregate borrowing capacity under the credit facility, consisting of the maximum borrowing capacity plus the contingent increase, if any one or more of the existing banks or new banks agree to provide such increased commitment amount. Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Business Combinations Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Schedule of cash and cash equivalents and funds held for clients Investment [Table Text Block] Summary of the assumptions used for estimating the grant date fair value of MSUs Schedule of Share Based Payment Award Market Stock Unit Valuation Assumptions [Table Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of market stock units. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Stock-based compensation expense capitalized in internal-use software costs Share-Based Payment Arrangement, Amount Capitalized Implementation services and other Implementation Services and Other [Member] Information pertaining to the revenue from non-recurring fees. Schedule of performance stock unit activity Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name One year to two years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Schedule of stock-based compensation expense related to restricted stock units, performance stock units, market stock units and the Employee Stock Purchase Plan Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Senior secured debt Secured Debt [Member] Operating lease liabilities Operating Lease, Liability, Current Deferred income tax liabilities Deferred Income Tax Liabilities, Net Software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Long-term debt Outstanding borrowings under credit facility Long-Term Debt Total assets Assets Fiscal 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol RSUs vested (in dollars per share) Awards 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 Capitalized Costs Capitalized Contract Cost Additions Amount of contract costs capitalized during the period. Schedule Of Earnings Per Share [Table] Schedule of Earnings Per Share [Table] Schedule reflecting the calculation of earnings per share. Income Taxes Income Tax, Policy [Policy Text Block] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Two years to three years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Two Years to Three Years Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in the second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Other segment items Segment Reporting, Other Segment Item, Amount Weighted average useful life (years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSUs Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Total investments gross unrealized gains Investments Accumulated Gross Unrealized Gain Before Tax Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Maximum percentage of target number of shares subject to each MSU Percentage of Shares Target to Each Market Share Unit The percentage of the target number of shares subject to each MSU eligible to vest. Fiscal 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Costs to fulfill a contract Costs to Fulfill a Contract [Member] Information pertaining to the cost to fulfill a contract. Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Beginning Balance Ending Balance Capitalized Contract Cost, Net Repayment of credit facility Repayments of Lines of Credit 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] Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Schedule of Cash and Cash Equivalents and Funds Held for Clients Schedule of Funds Held For Clients And Corporate Investments [Table] Schedule of funds held for clients and corporate investments, including client cash and cash equivalents and available-for-sale securities. Provision for credit losses Charged to expense Accounts Receivable, Credit Loss Expense (Reversal) Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Schedule of disaggregation of revenue Disaggregation of Revenue [Table Text Block] Schedule of expected maturities of available-for-sale securities Investments Classified by Contractual Maturity Date [Table Text Block] Supplemental Disclosure of Non-Cash Investing and Financing Activities Noncash Investing and Financing Items [Abstract] Recurring fees Recurring Fees [Member] Information pertaining to the revenue from recurring fees. 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] Stock options exercised Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of future amortization expense for acquired intangible assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Retained Earnings Retained Earnings [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current RSUs Outstanding, Units Awards Outstanding, Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Schedule of components of 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 Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and funds held for clients' cash and cash equivalents—beginning of period Cash, cash equivalents and funds held for clients' cash and cash equivalents—end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense Income tax expense Income Tax Expense (Benefit) Fair value of available-for-sale securities in unrealized loss positions for greater than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Margin on base rate Debt Instrument, Basis Spread on Variable Rate Interim Unaudited Consolidated Financial Information Interim Unaudited Consolidated Financial Information [Policy Text Block] Disclosure of accounting policy for interim unaudited consolidated financial information of the entity. Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Available-for-sale securities: Debt Securities, Available-for-Sale [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of deferred contract costs and the related amortization expense Capitalized Contract Cost [Table Text Block] Property and equipment, gross Property, Plant and Equipment, Gross Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Accrued expenses and other Increase Decrease in Accrued Liabilities and Other Liabilities The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid and in liabilities classified as other. Schedule of allocation of purchase price Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Consideration transferred, net of cash acquired and purchase price adjustments 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] Net total leverage ratio Credit Facility Covenant Consolidated Leverage Ratio Represents the ratio of consolidated total debt to consolidated adjusted earnings before, interest, taxes, depreciation and amortization allowed under the terms of the senior credit facilities' covenants. Accrued expenses Total accrued expenses Accrued Liabilities, Current Capitalized internal-use software costs Payments to Develop Software Share repurchase program, additional authorized, amount Share Repurchase Program, Additional Authorized Amount Share Repurchase Program, Additional Authorized Amount Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of changes in deferred revenue related to nonrefundable upfront fees Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense 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 Adjusted sales and marketing Selling and Marketing Expense, Adjusted The aggregate total amount of expenses directly related to the marketing or selling of products or services, adjusted to reflect the amount considered by the entity's chief operating decision maker for segment reporting purposes. Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Other assets acquired Business Combination, Recognized Asset Acquired, Other Asset, Current Cost of revenues Cost of Sales [Member] Goodwill Beginning balance Ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation expense Depreciation Remaining Performance Obligations Revenue, Practical Expedient [Abstract] Property and equipment, net Property, Plant and Equipment, Net, by Type [Abstract] Denominator: Denominator for Calculation of Basic and Diluted Net Loss Per Share [Abstract] Denominator for Calculation of Basic and Diluted Net Loss Per Share [Abstract] Remainder of fiscal 2026 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Weighted-average shares used in computing net income per share: Weighted Average Number of Shares Outstanding, Basic [Abstract] Equity Components [Axis] Equity Components [Axis] Total current assets before funds held for clients Assets Current before Funds Held for Clients Represents the sum of the carrying amounts as of the balance sheet date of all assets, before funds held for clients, that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Balance Sheet Information [Line Items] Property, Plant and Equipment [Line Items] Organization and Description of Business Nature of Operations [Text Block] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Valuation assumptions: Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Supplemental Disclosure of Cash Flow Information Supplemental Cash Flow Information [Abstract] Amortized cost Total available-for-sale securities Debt Securities, Available-for-Sale, Amortized Cost Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Deferred revenue from nonrefundable upfront fees expected to be recognized in fiscal 2026 Contract With Customer Revenue Deferred to be Recognized Remainder of Fiscal Year The amount of nonrefundable upfront fees deferred that is expected to be recognized as revenue in the remainder of the fiscal year. Three years to five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Three Years to Five Years Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in the third to fourth fiscal years following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Net settlement for taxes and/or exercise price related to equity awards (in shares) Net Settlement for Taxes and/or Exercise Price Related to Equity Awards (in shares) Number of shares utilized in net settlement of taxes and/or exercise price of options exercised and/or equity awards vested during the period. Client fund obligations Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Client Fund Obligations Represents the amount of obligations related to client funds that will be paid within the next twelve months or within one business cycle, if longer, assumed at the acquisition date Total current liabilities Liabilities, Current Individual: Individual [Axis] Basic and diluted net loss per share: Earnings Per Share Reconciliation [Abstract] Deferred contract costs Increase Decrease In Capitalized Contract Cost The increase (decrease) in the amount of capitalized contract costs due to netting additions and amortization during the reporting period. Research and development Research and Development Expense [Member] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Remaining performance obligation 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 Equity Incentive Plans Equity Incentive Plans [Member] Represents the information pertaining to the Company's Equity Incentive Plans. Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate for the period (as a percent) Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Amortization period of nonrefundable upfront implementation fees Amortization Period for Non refundable Implementation Fees Period over which nonrefundable upfront implementation fees are amortized. Plan Name [Domain] Plan Name [Domain] Weighted average period to recognize unrecognized compensation cost (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Stock options exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Corporate Investments and Funds Held for Clients Cash and Cash Equivalents and Funds Held for Clients [Abstract] n/a Segment Reporting Segment Reporting Disclosure [Text Block] Fair value measurement Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] U.S. treasury securities US Treasury Securities [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Adjusted research and development Research and Development Expense, Adjusted Amount of expense for research and development, adjusted to reflect the amount considered by the entity's chief operating decision maker for segment reporting purposes. Other Other Debt Obligations [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization expense for acquired intangible assets Amortization of Intangible Assets Deferred income tax assets Deferred Income Tax Assets, Net Disaggregation of revenue Contracts With Customers [Abstract] n/a Depreciation and amortization expense Depreciation, Depletion and Amortization Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenues Revenue Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving credit agreement Revolving Credit Facility [Member] Deferred revenue from nonrefundable upfront fees expected to be recognized in fiscal 2028 and thereafter Contract With Customer Revenue Deferred to be Recognized in Year Two and Thereafter The amount of nonrefundable upfront fees deferred that is expected to be recognized as revenue in the second fiscal year following the current fiscal year and beyond. Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Deferred revenue Contract with Customer, Liability, Current Computer equipment Computer Equipment [Member] Segments [Axis] Segments [Axis] Other Other Comprehensive Income, Other, Net of Tax Exercise Price Award Exercise Price Net income per share: Net income per share: Net Income Per Share [Abstract] Net Income Per Share Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Total unrecognized compensation cost, net of estimated forfeitures Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount U.S. federal income tax rate (as a percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Other investing activities Payment for (Proceeds from) Other Investing Activity Subsequent Event Type [Axis] Subsequent Event Type [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Repurchases of common shares (in shares) Stock Repurchased and Retired During Period, Shares Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent One year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Remainder of Fiscal Year Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Cash and Cash Equivalents and Funds Held for Clients Funds Held For Clients and Corporate Investments [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Underlying Security Market Price Change Underlying Security Market Price Change, Percent Fiscal 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Cash and Cash Equivalents and Funds Held for Clients Funds Held For Clients and Corporate Investments [Text Block] The entire disclosure for cash and cash equivalents and funds held for clients. RSUs forfeited (in dollars per share) Awards forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurement Fair Value Disclosures [Text Block] Business Combinations Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Amortizable 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] Entity Address, Address Line One Entity Address, Address Line One Period of notice to cancel by client Cancellation Notice Period Period that notice must be given by client to cancel an agreement for services. Research and development Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Available-for-sale securities: Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] Deferred contract costs Capitalized Contract Cost, Net [Abstract] Numerator: Numerator for Calculation of Basic and Diluted Net Loss Per Share [Abstract] Numerator for Calculation of Basic and Diluted Net Loss Per Share [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Amortization of capitalized internal-use software Capitalized Computer Software, Amortization Employee stock options, RSUs, PSUs and MSUs Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements RSUs granted (in shares) Awards granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period RSUs forfeited (in shares) Awards forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document Quarterly Report Document Quarterly Report Fair value of available-for-sale securities in unrealized loss positions for less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Five years and thereafter Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year Five Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after the fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Gross unrealized losses on funds held for clients' cash and cash equivalents Funds Held For Clients' Cash And Cash Equivalents, Accumulated Gross Unrealized Loss, Before Tax Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on funds held for clients' cash and cash equivalents measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Net accretion of discounts on available-for-sale securities Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] RSUs granted (in dollars per share) Awards 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 Total investments Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Restatement Determination Date: Restatement Determination Date [Axis] Cash consideration transferred, subject to customary purchase price adjustments Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Issuance of common stock under employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan Other financing activities Proceeds from (Payment for) Other Financing Activity Toby Williams [Member] Toby Williams Gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Reportable Segment Reportable Segment [Member] Reportable Segment Revenue Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Certificates of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized Schedule of activity in the allowance for credit losses related to accounts receivable 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 Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenues: Revenues [Abstract] Stock-based compensation 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] Proprietary technology Proprietary Technology [Member] Represents information pertaining to proprietary technology. Five years and thereafter Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year Five Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after the fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Performance stock units PSUs Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Commercial paper Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Measurement period adjustments Goodwill, Measurement Period Adjustment Company Selected Measure Name Company Selected Measure Name PSU performance measurement period PSU Performance Measurement Period Period over which performance stock unit achievement is measured Purchases of available-for-sale securities Payments to Acquire Debt Securities, Available-for-Sale Debt Debt Disclosure [Text Block] Preferred stock, $0.001 par value, 5,000 authorized, no shares issued and outstanding at June 30, 2025 and March 31, 2026 Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Amortization period of capitalized contract costs Capitalized Contract Cost, Amortization Period Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Schedule of capitalized internal-use software and accumulated amortization Schedule of Capitalized Software and Accumulated Amortization [Table Text Block] Tabular disclosure of information pertaining to capitalized internal-use software and accumulated amortization. Accumulated amortization Capitalized Computer Software, Accumulated Amortization Common stock, $0.001 par value, 155,000 shares authorized at June 30, 2025 and March 31, 2026; 55,366 shares issued and outstanding at June 30, 2025 and 53,537 shares issued and outstanding at March 31, 2026 Common Stock, Value, Issued Changes in Goodwill Goodwill [Roll Forward] Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Adjusted general and administrative General And Administrative Expense, Adjusted The aggregate total of expenses of managing and administering the affairs of an entity which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line, adjusted to reflect the amount considered by the entity's chief operating decision maker for segment reporting purposes. One year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Remainder of Fiscal Year Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Finite-lived intangibles Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Sales and marketing Selling and Marketing Expense [Member] Capitalized internal-use software Capitalized Computer Software, Gross Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Deferred revenue from nonrefundable upfront fees expected to be recognized in fiscal 2027 Contract With Customer Revenue Deferred to be Recognized In Next Twelve Months The amount of nonrefundable upfront fees deferred that is expected to be recognized as revenue in the next fiscal year following the current fiscal year. Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Balance Sheet Information Supplemental Balance Sheet Disclosures [Text Block] Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Borrowings under credit facility Proceeds from Lines of Credit Airbase Inc. Airbase Inc. [Member] Airbase Inc. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Basis of Presentation, Consolidation and Use of Estimates Basis of Presentation Consolidation and Use of Estimates [Policy Text Block] Disclosure of accounting policy for basis of presentation describing the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS), consolidation including the principles it follows in consolidating or combining the separate financial statements, and the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Market stock units MSUs Market Stock Units [Member] This member is pertaining to market stock units. Adjusted cost of revenue Cost of Goods and Services Sold, Adjusted The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period, adjusted to reflect the amount considered by the entity's chief operating decision maker for segment reporting purposes. Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net Income Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Office equipment Office Equipment [Member] Product and Service [Axis] Product and Service [Axis] Recurring and other revenue Total revenues from contracts Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Statistical Measurement [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] Long‑term prepaid expenses and other Prepaid Expense and Other Assets, Noncurrent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income Net Income (Loss) Available to Common Stockholders, Basic Components of accrued expenses Accrued Liabilities, Current [Abstract] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Debt Line of Credit Facility [Line Items] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Net total leverage ratio with step-up Credit Facility, Covenant Senior Secured Leverage Ratio Represents the step up of the ratio of consolidated total debt to consolidated adjusted earnings before, interest, taxes, depreciation and amortization allowed under the terms of the senior credit facilities' covenants following a permitted acquisition. Level 1 Fair Value, Inputs, Level 1 [Member] Stock-Based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Interest coverage ratio Credit Facility Covenant Consolidated Interest Coverage Ratio Represents the ratio of consolidated adjusted earnings before interest, taxes, depreciation and amortization to interest expense, which is necessary to be maintained under the terms of the senior credit facilities' covenants. Litigation Litigation Disclosure [Text Block] The entire disclosure for litigation. Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Amortization Capitalized Contract Cost, Amortization Earnings Per Share [Abstract] Non-solicitation agreements Noncompete Agreements [Member] Other income (expense) Other income (expense) Nonoperating Income (Expense) Prepaid expenses and other Increase (Decrease) in Prepaid Expense Funds held for clients Funds Held for Clients Gross profit Gross Profit Summary of anti-dilutive securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Repurchases of common shares Stock Repurchased and Retired During Period, Value Deferral of revenue Increase (Decrease) in Contract with Customer, Liability Weighted-average effect of potentially dilutive shares: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Cash paid for income taxes, net of refunds received Income Taxes Paid, Net Acquisitions of businesses, net of cash and funds held for clients acquired Acquisitions of businesses, net of cash and funds held for clients acquired The cash outflow associated with the acquisition of a business, net of the cash and funds held for clients acquired from the purchase. Total investments at amortized cost Investments Amortized Cost This item represents the cost of investments, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Fiscal 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Accrued payroll and personnel costs Employee-related Liabilities, Current Unrealized gains (losses) on securities, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Deferred contract costs Capitalized Contract Cost, Net, Current Trade names Trade Names [Member] Net income Net income Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Schedule of available-for-sale securities that have been in an unrealized loss position for less than and greater than 12 months Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Other Other Accrued Liabilities, Current Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Activity in the allowance for credit losses related to accounts receivable Accounts Receivable, Allowance for Credit Loss [Roll Forward] Period of term arrangements not cancellable by client Period of Term Arrangement Period of arrangements that are not cancellable by client notice. Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information Segment Reporting Information [Line Items] Interest income on funds held for clients Revenue Not from Contract with Customer Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Repurchases of common shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Adjusted base rate Base Rate [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Proceeds from employee stock purchase plan Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised Schedule of the classification of investments Investment by Classification [Table Text Block] Tabular disclosure of investments by classification. Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Client relationships Customer Relationships [Member] Operating income Operating Income (Loss) One year to two years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Retained earnings Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] Net change in client fund obligations Increase (Decrease) in Client Funds Obligation Represents the amount of net increase (decrease) in client funds obligation during the period. 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] Gross unrealized losses on available-for-sale securities in unrealized loss positions for greater than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Expected term (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Gross unrealized losses on available-for-sale securities in unrealized loss positions for less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Amortizable intangible assets Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Three years to five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Three Years to Five Years Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in the third to fourth fiscal years following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). 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] RSUs Outstanding, Weighted average grant date fair value Awards Outstanding, 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 of common stock reserved for future issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) 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] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Costs to obtain a new contract Costs to Obtain a New Contract [Member] Information pertaining to the cost to obtain new contracts. Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Total purchase price Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Gross unrealized losses on available-for-sale securities in unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Variable Rate [Domain] Variable Rate [Domain] Expected maturities of available-for-sale securities, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Capitalized internal-use software and accumulated amortization Capitalized Computer Software, Net [Abstract] Beginning balance Ending balance Contract with Customer, Liability Schedule of fair value level for cash and cash equivalents and available-for-sale securities measured on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Gross unrealized losses on cash and cash equivalents Cash and Cash Equivalents Accumulated Gross Unrealized Loss Before Tax Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on cash and cash equivalents measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Anti-dilutive securities excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average shares used in computing net income per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Liabilities assumed for acquisitions Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Amendment Flag Amendment Flag Expected maturities of available-for-sale securities, fair value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Net settlement for taxes and/or exercise price related to equity awards Net Settlement for Taxes and/or Exercise Price Related to Equity Awards Represents the aggregate change in value due to net settlement of taxes and/or exercise price of options exercised and/or equity awards vested during the period. Schedule of amortizable intangible assets and estimated useful lives Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] Total investments gross unrealized losses Investments Accumulated Gross Unrealized Loss Before Tax Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments. Termination Date Trading Arrangement Termination Date Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Funds held for clients Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Funds Held for Clients Amount of the funds held on behalf of others and that are expected to be liquidated within one year or the normal operating cycle, if longer, acquired at the acquisition date. Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Remaining amount authorized under share repurchase program Share Repurchase Program, Remaining Authorized, Amount Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Cost of revenues Cost of Product and Service Sold Schedule of calculation of basic and diluted net income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Changes in deferred revenue related to nonrefundable upfront fees Change in Contract with Customer, Liability [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Future amortization expense for acquired intangible assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] 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 Entity Tax Identification Number Entity Tax Identification Number Long-term deferred contract costs Capitalized Contract Cost, Net, Noncurrent Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Equity Incentive Plans Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Client fund obligations Client Fund Obligations Current Represents the amount of obligations related to client funds that will be paid within the next twelve months or within one business cycle, if longer. Schedule of changes in goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Funds held for clients' cash and cash equivalents Fair value of funds held for clients' cash and cash equivalents Funds Held for Clients' Cash and Cash Equivalents, at Carrying Value The amount of funds held for clients that are cash and cash equivalents. Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Gross unrealized gains on cash and cash equivalents Cash and Cash Equivalents, Accumulated Gross Unrealized Gain Before Tax Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on cash and cash equivalents measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Number of shares allocated but not yet issued that are subject to outstanding awards (in shares) Share Based Compensation Arrangement by Share Based Payment Award Number Of Capital Shares Reserved For Issuance The number of shares (or other type of equity) originally authorized for awards under the equity-based compensation plan that are available for issuance upon the vesting of a restricted stock unit, performance stock unit or market stock unit. Purchases of property and equipment and capitalized internal-use software, accrued but not paid Capital Expenditures Incurred but Not yet Paid Capitalized internal-use software, net Capitalized internal-use software, net Capitalized Computer Software, Net Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Proceeds from sales and maturities of available-for-sale securities Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Time clocks rented by clients Time Clocks Rented by Clients [Member] Represents information pertaining to time clocks rented by clients. Statement Statement [Line Items] Asset-backed securities Asset-Backed Securities [Member] Variable Rate [Axis] Variable Rate [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Fair value of cash and cash equivalents Cash and Cash Equivalent Schedule of restricted stock unit activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Subsequent Event [Line Items] Subsequent Event [Line Items] Number of additional shares reserved for future issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Common Stock Common Stock [Member] RSUs vested (in shares) Awards vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Fair value Total available-for-sale securities Total available-for-sale securities Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Issuance of common stock upon vesting of equity awards (in shares) Stock Issued During Period Shares Equity Award Vesting Represents the number of shares of stock related to equity awards that vested during the period. Non-NEOs Non-NEOs [Member] Corporate bonds Corporate Debt Securities [Member] Amortized cost of funds held for clients' cash and cash equivalents Funds Held For Clients' Cash and Cash Equivalents, Amortized Cost Amortized cost of funds held for clients' cash and cash equivalents. Net change in cash, cash equivalents and funds held for clients' cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation