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Consolidation and Presentation of Financial Statements [Abstract] Weighted-average dilutive effect of stock options and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Outstanding, beginning balance (in usd per share) Outstanding, ending balance (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Repurchases of common stock Common stock repurchases Stock Repurchased and Retired During Period, Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Fair value of the notes Long-Term Debt, Fair 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Exercise Price Award Exercise Price Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Share repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Indebtedness Debt Disclosure [Text Block] Principal payments on long-term debt Repayments of Long-Term Debt Debt issuance costs, net Debt Issuance Costs, Net Less: unamortized discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Schedule of Other Income, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Total other expense Nonoperating Income (Expense) Settlement of client-held funds obligation, net Payments For (Proceeds From) Settlement Of Client Held Funds Payments For (Proceeds From) Settlement Of Client Held Funds Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Outstanding, beginning balance (in shares) Outstanding, 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Individuals All Individuals [Member] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] 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] Statement [Line Items] Statement [Line Items] Total assets Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Tax effect Accumulated Gain (Loss), Net, Cash Flow Hedge, Income Tax Expense (Benefit), Parent [Member] Accumulated Gain (Loss), Net, Cash Flow Hedge, Income Tax Expense (Benefit), Parent Preferred stock, issued (in shares) Preferred Stock, Shares Issued Interest expense Interest Expense, Nonoperating Schedule of Stock-Based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Stock-based compensation Share-Based Payment Arrangement [Text Block] Other comprehensive income (loss) before reclassifications, after tax OCI, before Reclassifications, Net of Tax, Attributable to Parent Weighted average interest rate (as a percent) Derivative, Weighted Average Interest Rate, Percent Derivative, Weighted Average Interest Rate, Percent PEO PEO [Member] Total stock-based compensation expense Share-Based Payment Arrangement, Expense Common stock repurchases (in shares) Stock Repurchased and Retired During Period, Shares Other long-term liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Granted (in usd 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 Revenue recognition 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Timing Disclosures [Line Items] Diluted (in usd per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current and non-current assets Increase (Decrease) in Prepaid Expense and Other Assets Accrued compensation Increase (Decrease) in Employee Related Liabilities Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Performance Restricted Stock Units, Subject To Certain Financial Criteria Performance Restricted Stock Units, Subject To Certain Financial Criteria [Member] Performance Restricted Stock Units, Subject To Certain Financial Criteria Technology and development Research and Development Expense 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] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Amounts reclassified from AOCI, tax Reclassification from AOCI, Current Period, Tax Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Unused capacity commitment fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangible assets and goodwill Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Summary of Effect of Derivatives on the Condensed Consolidated Financial Statements Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Shares available for grant under incentive plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Number of instruments Derivative, Number of Instruments Held Computer equipment Computer Equipment [Member] Revolving Credit Facility And Prior Revolving Credit Facility Revolving Credit Facility And Prior Revolving Credit Facility [Member] Revolving Credit Facility And Prior Revolving Credit Facility Schedule of Components of Operating Lease Costs and Supplemental Cash Flow Information Lease, Cost [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other expense Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Amount of gains reclassified from AOCI, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Income from operations Operating Income (Loss) Service revenue Service [Member] Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in 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[Abstract] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Income tax payments, net Income Tax Paid, after Refund Received Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Deferred tax liability Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation 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Facility, Maximum Borrowing Capacity Of Future Commitments Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Net change in AOCI, before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Debt prepayment amount Payment for Debt Extinguishment or Debt Prepayment Cost Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (see Note 5) Commitments and Contingencies Gross carrying amount Intangible Asset, Finite-Lived, before Accumulated Amortization Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Property and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Repurchases of common stock included in accrued liabilities Stock Repurchased, But Not Yet Paid Stock Repurchased, But Not Yet Paid Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Furniture and fixtures Furniture and Fixtures [Member] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Exercisable, weighted-average contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Acquired trade names Trade Names [Member] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair value Fair Value Disclosures [Text Block] Supplemental cash flow data: Supplemental Cash Flow Information [Abstract] Reclassification of net (gains) losses included in net income Amount of gains reclassified from AOCI, after tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Vested and expected to vest, weighted-average contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Accounts payable, accrued liabilities, and other current liabilities Increase (Decrease) in Accrued Liabilities Leasehold improvements Leasehold Improvements [Member] Change in unrealized losses on cash flow hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Settlement of derivatives, net Payments for (Proceeds from) Derivative Instrument, Investing Activities Net unrealized gains (losses) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Beginning cash and cash equivalents Ending cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Customary Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Schedule of Reclassifications from AOCI Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Net operating lease expense Lease, Cost Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Fair Value of Derivative Contracts Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic (in usd per share) Earnings Per Share, Basic Repurchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, net of issuance costs Long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for doubtful accounts of $1,067 and $924 as of July 31, 2026 and January 31, 2026, respectively Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Common Stock Repurchased and Subsequently Retired Class of Treasury Stock [Table Text Block] Accumulated earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Acquired HSA portfolios Acquired HSA Intangible Assets [Member] Acquired HSA Intangible Assets [Member] Net change, net of income tax benefit (expense) of $12,135, $(70), $20,598, and $(70), respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common stock: Common Stock [Member] Operating lease expense Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Summary of business and significant accounting policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover page. Cover [Abstract] Capitalized software development costs included in accounts payable, accrued liabilities, or accrued compensation Noncash or Part Noncash Acquisition, Intangible Assets Acquired Grant date fair value Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period, Fair Value Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period, Fair Value Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities and stockholders’ equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Other income, net Total other income, net Other Nonoperating Income (Expense) 4.50% Senior Notes due 2029 4.500% Senior Notes due 2029 [Member] 4.500% Senior Notes due 2029 Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and Administrative Expense Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.0001 par value, 100,000 shares authorized, no shares issued and outstanding as of July 31, 2026 and January 31, 2026, respectively Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Minimum interest coverage ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Debt Instrument, Covenant, Minimum Interest Coverage Ratio Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest expense paid in cash Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Operating lease right-of-use assets Increase (Decrease) In Operating Lease, Right-Of-Use Asset Increase (Decrease) In Operating Lease, Right-Of-Use Asset Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Cash flow hedge, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent Name Measure Name Income taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Gain (loss) after reclassification, before tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Additional paid-in capital: Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Capitalized software development costs Payments for Software Weighted-average number of shares used in computing net income per share: Weighted Average Number Of Shares Used In Computing Net Income Per Share Attributable To Common Stockholders, Basic And Diluted [Abstract] Weighted Average Number Of Shares Used In Computing Net Income Per Share Attributable To Common Stockholders, Basic And Diluted [Abstract] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Credit Agreement Credit Agreement [Member] Credit Agreement [Member] Entity Address, Address Line Two Entity Address, Address Line Two Unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in usd 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 Income tax provision Income tax provision Income Tax Expense (Benefit) Performance Restricted Stock Units, Subject To Market Conditions Performance Restricted Stock Units, Subject To Market Conditions [Member] Performance Restricted Stock Units, Subject To Market Conditions Total cost of revenue Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Principles of consolidation Consolidation, Policy [Policy Text Block] Increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net income Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of common stock options Proceeds from Stock Options Exercised Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Exercisable, weighted-average exercise price (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Revenue Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator (basic and diluted): Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]