Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement Statistical Measurement [Domain] Estimated Remaining Cost Restructuring and Related Cost, Expected Cost Remaining Other current assets Other Current Assets [Member] Federal, state and local income tax rate Effective Income Tax Rate Reconciliation, Federal, State and Local Income Tax Rate Effective income tax rate reconciliation, federal, state and local income tax rate. Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Award Timing Predetermined Award Timing Predetermined [Flag] Total Intangible Assets, Gross (Excluding Goodwill) Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Other assets Other Noncurrent Assets [Member] Interest rate swaps Interest Rate Swap [Member] Seller Earnouts Seller Earnouts [Member] Seller earnouts. Tabular List, Table Tabular List [Table Text Block] Basic and Diluted Basic and Diluted (net loss) earnings per share Earnings Per Share, Basic [Abstract] Summary of Components of Other Liabilities Other Noncurrent Liabilities [Table Text Block] New Accounting Pronouncements Recently Adopted and New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Summary of Assets and Liabilities Held for Sale on Condensed Consolidated Balance Sheet and Income (loss) from Discontinued Operations on Condensed Consolidated Statements of Comprehensive Income (loss) Disposal Groups, Including Discontinued Operations [Table Text Block] Type of Restructuring Type of Restructuring [Domain] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis Measurement Basis [Axis] Net income (loss), 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] Conversion ratio Common Units, Conversion Ratio Common Units, Conversion Ratio Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Liabilities Liabilities, Fair Value Disclosure [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Other Other Assets, Miscellaneous, Current Cash used for financing activities - continuing operations Cash Provided by (Used in) Financing Activity, Continuing Operation Additional TRA liabilities Additional TRA liability Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, conversion of noncontrolling interest. Fair value contingent consideration Disposal Group, Including Discontinued Operation, Contingent Consideration, Aggregate Principal Amount, Fair Value Disposal Group, Including Discontinued Operation, Contingent Consideration, Aggregate Principal Amount, Fair Value Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] Discount Rate Measurement Input, Discount Rate [Member] Total Other comprehensive income (loss), net of tax: Other comprehensive income (loss), net Other Comprehensive Income (Loss), Net of Tax Schedule of Reportable Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Discontinued operations, diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share March 2023 Term Loan Two March Two Thousand And Twenty Three Term Loan Two [Member] March two thousand and twenty three term loan two. Measurement Input Type [Domain] Measurement Input Type [Domain] Other Other Assets, Miscellaneous, Noncurrent Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Consolidation Consolidation, Policy [Policy Text Block] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Option to extend Disposal Group, Including Discontinued Operation, Transition Services Agreement, Option To Extend Disposal Group, Including Discontinued Operation, Transition Services Agreement, Option To Extend Antidilutive Securities Antidilutive Securities [Axis] Total Alight, Inc. Stockholders' Equity Equity, Attributable to Parent Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Stock Based Compensation Total share-based compensation expense Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Current portion of tax receivable agreement liability Tax Receivable Agreement Liability Current Tax receivable agreement liability current. Finance lease liability Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Shares issued (in shares) Stock Issued During Period, Shares, New Issues Current Assets Assets, Current [Abstract] Share forfeitures (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total Liabilities and Stockholders' Equity Liabilities and Equity Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Fair value of seller earnouts Financial Instruments Subject To Mandatory Redemption Settlement Terms Seller Earn Out Fair Value Of Shares The seller earnout fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date. Cover [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Depreciation and amortization Cost Of Goods And Services Sold Depreciation Of Fixed Assets And Amortization Of Internally Developed Software Assets Cost of goods and services sold depreciation of fixed assets and amortization of internally developed software assets. Purchase obligation, year three Purchase Obligation, to be Paid, Year Three Net income (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Class A Units Class A Units [Member] Class A Units. Accounting Policies [Abstract] Accounting Policies [Abstract] Net Carrying Amount Net Carrying Amount Finite-Lived Intangible Assets, Net Class B-1 Common Class B1 [Member] Common class B1. Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] 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 Treasury Stock, Common [Member] Net Income (Loss) From Continuing Operations Net Income (Loss) From Continuing Operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Liabilities Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and Intangible Amortization Depreciation, Depletion and Amortization, Nonproduction Income (Loss) From Continuing Operations Before Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other liabilities Other Liabilities, Noncurrent Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] (Gain) Loss from change in fair value of financial instruments (Gain) loss from change in fair value of financial instruments Gain (Loss) From Change In Fair Value Of Financial Instruments Gain (loss) from change in fair value of financial instruments. Goodwill impairment Goodwill, Impairment Loss Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Gross Profit Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Period to recognize revenue under subscription Period to Recognize Revenue Under Subscription Period to recognize revenue under subscription. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current portion of long-term debt, net Less: current portion of long-term debt, net Current portion of long term debt, net Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount Comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive Income (Loss) Attributable to Alight, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Periodic payment Line of Credit Facility, Periodic Payment Summary of Components of Other Current Assets Schedule of Other Current Assets [Table Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Accrued restructuring liability Accrued restructuring liability, beginning balance Accrued restructuring liability, ending balance Restructuring Reserve Net Income (loss) from continuing operations attributable to Alight, Inc. Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Financial Instruments [Abstract] Financial Instruments [Abstract] Financial instruments. Tax Receivable Agreement Liability Tax Receivable Agreement Liability [Member] Tax receivable agreement liability. Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment and contingencies. Schedule of Share-Based Compensation Costs Related to RSUs and PRSUs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities Operating Lease, Liability, Current Class Of Stock [Line Items] Class of Stock [Line Items] Deferred tax liabilities Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Net Income (Loss) from Discontinued Operations, Net of Tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Divested Business Divested Business [Member] Divested Business Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Fair value, liabilities, Level 1 to Level 2 transfers, amount Fair Value Liabilities Transfers Amount Level 1 To Level 2 Fair value liabilities transfers amount Level1 to Level 2 Award Timing Method Award Timing Method [Text Block] Continuing operations, basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Award Type Award Type [Axis] Deferred revenue Contract with Customer, Liability, Noncurrent Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Total debt, net Debt balance Long-Term Debt Total Assets Assets 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 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 Delivery, Customer Care, and Other Delivery, Customer Care, and Other [Member] Delivery, Customer Care, and Other Issuance for compensation to non-employees (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan. Other segment item Segment Reporting, Other Segment Item, Amount Weighted-average remaining useful lives (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Effect of exchange rate changes on cash, cash equivalents and restricted cash - continuing operations 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 Statement of Income Location, Balance Statement of Income Location, Balance [Domain] RSUs RSUs Restricted Stock Units (RSUs) [Member] Cash, cash equivalents and restricted cash balances from: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Service obligation, thereafter Contractual Obligation, To Be Paid, Thereafter Contractual Obligation, To Be Paid, Thereafter Assets Assets, Fair Value Disclosure [Abstract] Total Restructuring Costs Restructuring Costs 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company 2029 Long-Term Debt, Maturity, Year Three Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 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] Unamortized debt issuance costs Debt Issuance Costs, Net Fair value remeasurement Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Fair Value Premeasurement Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Fair Value Premeasurement Tax receivable agreement obligations, paid Tax Receivable Agreement Obligations, Paid Tax Receivable Agreement Obligations, Paid Income Tax Examination [Line Items] Income Tax Examination [Line Items] Service Obligations Service Obligation [Member] Service obligation. Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination Business Combination [Domain] Payments on tax receivable agreements Payments on tax receivable agreements Payments On Tax Receivable Agreements. Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Other (income) expense, net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net Plan Name Plan Name [Axis] Document Information [Table] Document Information [Table] PEO PEO [Member] Alight Holdings Alight Holdings Alight Holdings. Severance Charges Severance and Related Benefits Employee Severance [Member] Schedule of Changes in Outstanding Stock Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Costs to Obtain Costs to Obtain A Contract [Member] Costs to Obtain A Contract Number of shares issued Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period 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] Special Purpose Acquisition Company Special Purpose Acquisition Company [Member] Special purpose acquisition company. Schedule of Intangible Assets Expected Annual Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Accumulated Deficit Retained Earnings [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Class Z Common Units Common Class Z Units [Member] Common Class Z Units. Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Continuing operations - beginning of year Continuing operations - end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Interest rate swaps Derivative Asset Income tax expense (benefit) Income Tax Expense (Benefit) Debt instrument, variable interest rate Debt Instrument, Basis Spread on Variable Rate Discontinued operations, basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Class B Common Stock Common Class B [Member] Fair value, assets, Level 2 to Level 1 transfers, amount Fair Value Asset Level 2 to Level 1 Transfers Amount Fair value asset level 2 to level 1 transfers amount. Derivative liability, noncurrent Derivative Liability, Noncurrent Time Based Restricted Stock Units Time Based Restricted Stock Units [Member] Time based restricted stock units. Document Information [Line Items] Document Information [Line Items] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Total Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Seller earnouts liability Seller Earnouts Liability [Member] Seller earnouts liability. Subsegments Subsegments [Axis] Product and Service Product and Service [Domain] Two-Year Strategic Transformation Restructuring Program Two-Year Strategic Transformation Restructuring Program [Member] Two-year strategic transformation restructuring program. Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Fair Value, measurement with unobservable inputs reconciliation, liability, transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Denominator Earnings Per Share Basic and Diluted Disclosures Abstract Earnings Per Share Basic and Diluted Disclosures Abstract Continuing operations, diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Total Alight, Inc. Equity Parent [Member] Net Income (Loss) Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities recorded at fair value Liabilities, Fair Value Disclosure Aggregate principal amount, consideration Disposal Group, Including Discontinued Operation, Consideration, Aggregate Principal Amount Disposal Group, Including Discontinued Operation, Consideration, Aggregate Principal Amount Notional Amount Outstanding as of March 31, 2026 Derivative, Notional Amount Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restructuring Restructuring and Related Activities Disclosure [Text Block] Other (Income) Expense Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Other Solutions Other Solutions [Member] Other solutions. City Area Code City Area Code Class B-1 Common Stock Common Class B One [Member] Common class B one. Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Stock Based Compensation Cost, Direct Labor 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] Percentage of payroll deductions Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Payroll Deduction To Purchase Common Stock Share-based compensation arrangement by share-based payment award, percentage of payroll deduction to purchase common stock. Thereafter Long-Term Debt, Maturity, After Year Four Long-Term Debt, Maturity, After Year Four 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] Cash used in investing activities - discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] 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 Share repurchases Treasury Stock, Retired, Cost Method, Amount Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Selling, general and administrative Selling, General and Administrative Expenses [Member] Commissions receivable Commissions Receivable Noncurrent Commissions receivable noncurrent. Cost of services, exclusive of depreciation and amortization Cost of Sales [Member] Goodwill Net carrying amount, beginning balance Net carrying amount, ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Fair value of seller note Other Assets, Consideration Receivable, Seller Note, Fair Value Other Assets, Consideration Receivable, Seller Note, Fair Value PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type Long-Term Debt, Type [Axis] Depreciation Depreciation Transformation Program Transformation Program [Member] Transformation program. Total liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset 2026 (April - December) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Summary of Changes of Tax Receivable Liability Summary of Changes of Tax Receivable Liability [Table Text Block] Summary of Changes of Tax Receivable Liability. Equity Components Equity Components [Axis] Technology Technology Service [Member] Performance-based RSUs Performance-based RSUs Performance Based Restricted Stock Units P R S Us [Member] Performance-based restricted stock units PRSUs. Cash provided by (used in) financing activities - discontinued operations Cash Provided by (Used in) Financing Activity, Discontinued Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Class B-2 Common Units Common Class B Two Units [Member] Common Class B Two Units. Purchase obligation, thereafter Purchase Obligation, To Be Paid, After Year Three Purchase Obligation, To Be Paid, After Year Three Measurement Input Business Combination, Contingent Consideration, Liability, Measurement Input Number of reportable segments Number of Reportable Segments Restructuring Cost And Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Goodwill, impaired, accumulated impairment loss, beginning balance Goodwill, impaired, accumulated impairment loss, ending balance Goodwill, Impaired, Accumulated Impairment Loss Other Performance Measure, Amount Other Performance Measure, Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Entity Address, State or Province Entity Address, State or Province Principal payments on finance lease obligations Finance Lease, Principal Payments Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Total Current Liabilities Liabilities, Current Other current liabilities Other Current Liabilities [Member] Effect of exchange rate changes on cash, cash equivalents and restricted cash - discontinued operations Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation Total expenses Inception to Date Restructuring and Related Cost, Cost Incurred to Date Derivative Instrument Derivative Instrument [Axis] Individual: Individual [Axis] Defined contribution savings plan expenses Defined Contribution Plan, Cost Period to receive earnout shares Seller Earnouts, Period To Receive Earn Out Shares Seller Earnouts, Period To Receive Earn Out Shares Restricted cash included in fiduciary assets Restricted Cash Net increase (decrease) in fiduciary liabilities Net Increase Decrease In Fiduciary Liabilities Net Increase (Decrease) In Fiduciary Liabilities. Other current assets Total Other Assets, Current (Gain) loss from change in fair value of seller earnouts Loss Gain From Change In Fair Value Of Seller Earnouts Loss (gain) from change in fair value of seller earnouts. Other Restructuring Charges Other Restructuring Costs Other Restructuring [Member] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation 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] Purchase obligation, year one Purchase Obligation, to be Paid, Year One Derivative asset, noncurrent Derivative Asset, Noncurrent Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right of use asset Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Non-voting ownership percentage held by noncontrolling interest Subsidiary, Ownership Percentage, Noncontrolling Owner Effective Tax Rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Registration Payment Arrangement by Arrangement Registration Payment Arrangement by Arrangement [Axis] Carrying Value Reported Value Measurement [Member] Plan Name Plan Name [Domain] Remaining weighted-average amortization period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Equity [Abstract] Equity [Abstract] Purchase obligation Purchase Obligation Common shares, votes per share Common Stock, Number Of Votes Per Share The number of votes that each common share is entitled. Segment Reporting Segment Reporting Disclosure [Text Block] Principal payment Debt Instrument, Periodic Payment, Principal Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Noncash lease expense Noncash Lease Expense Noncash lease expense. Increase (Decrease) in Stockholders' Equity [Roll Forward] Shares Outstanding [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Fair value, measurement with unobservable inputs reconciliation, liability, transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Ownership Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Cost of services, exclusive of depreciation and amortization Disposal Group, Including Discontinued Operation, Costs of Goods Sold Intangible asset amortization Amortization of Intangible Assets Selling, general and administrative Selling, General and Administrative Expense Volatility Measurement Input, Price Volatility [Member] The Plan Management Initiated Restructuring And Integration Plan [Member] Management initiated restructuring and integration plan. Deferred tax assets, net Deferred Income Tax Assets, Net Initial period Disposal Group, Including Discontinued Operation, Transition Services Agreement, Initial Period Disposal Group, Including Discontinued Operation, Transition Services Agreement, Initial Period Schedule of Changes in Accumulated Other Comprehensive Income, Net by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Administration services contract, term Administration Services Contract, Term Administration Services Contract, Term Other assets Total Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Health solutions contract, term Health Solutions, Administration Services Contract, Term Health Solutions, Administration Services Contract, Term Schedule of Aggregate Remaining Contractual Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Repayments to banks Repayments of Bank Debt 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] Purchase obligation, year two Purchase Obligation, to be Paid, Year Two Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Restructuring activities estimated annual savings Restructuring and Related Activities Estimated Annual Savings Restructuring and related activities estimated annual savings. Revolving Credit Facility Revolving Credit Facility [Member] TRA liability balance measured at fair value on a recurring basis Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Commissions receivable Commissions Receivable Current Commissions receivable current. 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 Restructuring activities estimated completion period Restructuring And Related Activities Estimated, Completion Period Restructuring and related activities estimated completion period. Deferred revenue Contract with Customer, Liability, Current Financial Instruments Financial Instruments Disclosure [Text Block] Segments Segments [Axis] Schedule of Fair Values and Location of Outstanding Derivative Instruments Recorded in the Condensed Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Exercise Price Award Exercise Price Fair Value by Liability Class Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Total future compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Billed and unbilled receivables Accounts Receivable, before Allowance for Credit Loss, Current U.S. statutory corporate income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Share-Based Compensation Share-Based Payment Arrangement [Text Block] Customer-related and contract based intangibles Customer Related And Contract Based Intangibles [Member] Customer related and contract based intangibles. Total consideration Disposal Group, Including Discontinued Operation, Consideration Expected cumulative costs Estimated Total Cost Restructuring and Related Cost, Expected Cost Assets Assets [Abstract] Long-term debt, net Total long-term debt, net Long-Term Debt, Excluding Current Maturities Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Statement of Financial Position Location, Balance Statement of Financial Position Location, Balance [Axis] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Issuance of common units (in shares) Issuance Of Common Units Issuance of common units. 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] Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Credit Facility Credit Facility [Domain] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Stockholders' Equity Equity, Attributable to Parent [Abstract] Derivative liability, current Derivative Liability, Current 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] Seller earnouts liability Seller Earnouts Liability, Fair Value Disclosure Seller Earnouts Liability, Fair Value Disclosure Percentage of units granted subject to vesting requirements Percentage Of Units Granted Subject To Vesting Requirements Percentage of units granted subject to vesting requirements. Conversion of noncontrolling interest (in shares) Stock Issued During Period shares Conversion Of Noncontrolling Interest Stock Issued During Period shares Conversion Of Noncontrolling Interest Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Allowance for expected credit losses Allowance for expected credit losses Accounts Receivable, Allowance for Credit Loss, Current Operating lease liabilities Operating Lease, Liability, Noncurrent Income (loss) from Discontinued Operations Disposal Group, Including Discontinued Operation, Operating Income (Loss) Ownership Ownership [Axis] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Total assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Seller note Other Assets, Consideration Receivable, Seller Note Other Assets, Consideration Receivable, Seller Note Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Derivative gains Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Fair value consideration Seller note Disposal Group, Including Discontinued Operation, Consideration, Aggregate Principal Amount, Fair Value Disposal Group, Including Discontinued Operation, Consideration, Aggregate Principal Amount, Fair Value Tax Receivable Agreement Liability Discounted Tax Receivable Agreement Liability Discounted [Member] Tax receivable agreement liability, discounted. 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Discontinued operations - beginning of year Less discontinued operations - end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation Service obligation, year two Contractual Obligation, to be Paid, Year Two 2026 (April - December) Long-Term Debt, Maturity, Remainder of Fiscal Year Total Liabilities Liabilities Antidilutive Securities, Name Antidilutive Securities, Name [Domain] March 2023 Term Loan One March Two Thousand And Twenty Three Term Loan One [Member] March two thousand and twenty three term loan one. Line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Share repurchases (in shares) Stock Repurchased During Period, Shares Prepaid expenses Prepaid Expense, Current Operating Expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other current liabilities Other Liabilities, Current Class Z-A Common Stock Common Class Z A [Member] Common Class Z-A. Other Other Sundry Liabilities, Current Statement [Line Items] Statement [Line Items] Schedule of Accrued Restructuring Liability 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 Purchase Obligations Purchase Obligations [Member] Purchase obligations. Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Summary of Unit Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Common Stock Common Stock [Member] 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] Class V Common Stock Class V Common Class V [Member] Common class V. Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Customer Care Commercial Services Customer Care Commercial Services [Member] Customer Care Commercial Services