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annual management fee for preceding period as of termination date Base Fee For Termination Of Agreement Based Upon Average Annual Management Fee For Preceding Period As Of Termination Date, Amount Base Fee For Termination Of Agreement Based Upon Average Annual Management Fee For Preceding Period As Of Termination Date, Amount Investment in preferred equity Disposal Group, Including Discontinued Operation, Assets Accounts payable and other accrued liabilities, long-term Accounts Payable and Accrued Liabilities, Noncurrent Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Trade receivables, net Accounts Receivable, after Allowance for Credit Loss Debt Instrument [Line Items] Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Common stock authorized (in shares) Common Stock, Shares Authorized Terminated Amended Management Services Agreement, Monthly Payment May 2025 to 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Alight, Inc. [Member] Alight, Inc. 99 Restaurants Ninety-Nine Restaurants [Member] Ninety-Nine Restaurants [Member] Discontinued Operations, Held-for-Sale or Disposed of by Sale Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Net loss Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Proceeds from sales of property and equipment Proceeds from Sale of Property, Plant, and Equipment Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Investments in unconsolidated affiliates Equity Method Investments [Member] Income tax expense Income Tax Expense (Benefit) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest rate incurred Debt Instrument, Interest Rate, Stated Percentage Cash paid during the period: Supplemental Cash Flow Information [Abstract] Total purchase commitments Recorded Unconditional Purchase 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[Member] Additional investments in unconsolidated affiliates Equity investment Payments to Acquire Equity Method Investments Debt outstanding Total Long-Term Debt, Gross Distributions from investments in unconsolidated affiliates Proceeds from WD transaction Proceeds from Equity Method Investment, Distribution, Return of Capital Exercise Price Award Exercise Price Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Member] Net loss per share from continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Basic Share Variable Interest Entity [Table] Variable Interest Entity [Table] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments [Domain] Segments [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] All Individuals All Individuals [Member] PEO PEO [Member] WineDirect Inc WineDirect Inc [Member] WineDirect Inc Name Trading Arrangement, Individual Name 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Proceeds from sale of equity method investments Cash proceeds from WD transaction Proceeds from Sale of Equity Method Investments Net loss from discontinued operations - see Note J Income (Loss) From Equity Method Investment, Discontinued Operations Income (Loss) From Equity Method Investment, Discontinued Operations Credit Facility [Axis] Credit Facility [Axis] Dividends declared Dividends, Common Stock, Cash Amendment Flag Amendment Flag Entity Registrant Name Entity Registrant Name Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Gross profit Gross Profit Unconsolidated affiliates Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] MSA Termination Agreement , aggregate remaining unpaid monthly management fees Management Services Agreement, Termination Agreement , Final Installment Of Unpaid Management Fees, Amount Management Services Agreement, Termination Agreement , Final Installment Of Unpaid Management Fees, Amount Fair Value as of Grant Date Award Grant Date Fair Value Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Level 2 Fair Value, Inputs, Level 2 [Member] Sale of stock (in shares) Sale of Stock, Number of Shares Issued in Transaction Notes Payable Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Principles of Consolidation and Basis of Presentation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Notes Payable Notes Payable, Other Payables [Member] Title of 12(b) Security Title of 12(b) Security Equity in Fulfillment received as consideration in the WD Transaction Consideration Received for Beneficial Interest Obtained for Transferring Financial Asset Cannae common stock, 0.0001 par value; authorized 115,000,000 shares as of March 31, 2025 and December 31, 2024; issued of 94,688,825 and 94,328,322 shares as of March 31, 2025 and December 31, 2024, respectively, and outstanding of 62,815,170 and 62,789,542 shares as of March 31, 2025 and December 31, 2024, respectively Common Stock, Value, Issued Reclassification adjustments for unrealized gains and losses on unconsolidated affiliates, net of tax, included in net earnings, tax expense Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings. Tax Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings. Tax Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Equity securities, at fair value Equity securities: Equity Securities, FV-NI, Noncurrent 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] Wine Direct Fulfillment Wine Direct Fulfillment [Member] Wine Direct Fulfillment Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [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] Paysafe Paysafe [Member] Paysafe Preferred stock, 0.0001 par value; authorized 10,000,000 shares; none issued and outstanding as of March 31, 2025 and December 31, 2024 Preferred Stock, Value, Issued MSA Termination Agreement, monthly installment of management fees payable, amount Management Services Agreement, Termination Agreement , Monthly Installment Of Management Fees Payable, Amount Management Services Agreement, Termination Agreement , Monthly Installment Of Management Fees Payable, Amount Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Net loss per share (in usd per share) Earnings Per Share, Basic Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Ownership [Domain] Ownership [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Net income (loss) Net Income (Loss) Available to Common Stockholders, Basic Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, 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] Other Other Products And Services [Member] Other Products And Services [Member] Weighted Average Shares Outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Total assets Assets Assets Assets Distributions from investments in unconsolidated affiliates Dividends received Proceeds from Equity Method Investment, Distribution Cost of restaurant revenue Cost of revenue Cost of Goods and Services Sold Line of credit outstanding balance Long-Term Line of Credit Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Operating loss carryforwards, valuation allowance Operating Loss Carryforwards, Valuation Allowance Income taxes receivable Income Taxes Receivable, Current Clearlake Capital Group, L.P Clearlake Capital Group, L.P [Member] Clearlake Capital Group, L.P Equity Securities without Readily Determinable Fair Value [Table] Equity Securities without Readily Determinable Fair Value [Table] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and contingencies - see Note H Commitments and Contingencies Treasury shares issued for investment in JANA Stock Issued For Equity Investment, Value Stock Issued For Equity Investment, Value Termination Date Trading Arrangement Termination Date AmeriLife and Other AmeriLife and Other [Member] AmeriLife and Other Related Party Transaction [Table] Related Party Transaction [Table] 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] Total revenues Total revenues Revenues Unrealized loss of investments in unconsolidated affiliates Other comprehensive earnings — unrealized gains and losses of investments in unconsolidated affiliates, net of tax OCI, Equity Method Investment, after Tax 2026 Long-Term Debt, Maturity, Year One Other long term investments and non-current assets Other Long Term Investments And Noncurrent Assets [Member] Other Long Term Investments And Noncurrent Assets Entity Address, City or Town Entity Address, City or Town Borrowings Proceeds from Issuance of Long-Term Debt Debt Instrument [Axis] Debt Instrument [Axis] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Net earnings (loss) attributable to Cannae Holdings Net loss attributable to Dun & Bradstreet Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Difference between the historical cost of treasury stock and fair value upon reissuance for investment in JANA Noncash, Increase (Decrease) Treasury Stock, Historical Costs And Fair Value At Reissuance Noncash, Increase (Decrease) Difference Treasury Stock, Historical Costs And Fair Value At Reissuance Other Other Notes Payable [Member] Other Notes Payable [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Business Acquisition [Axis] Business Acquisition [Axis] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Sale of stock (in shares) Voting And Support Agreement, Number Of Owned Shares Of Equity Investment Permitted to Sell Prior To Close Or Termination Of Merger Agreement Voting And Support Agreement, Number Of Owned Shares Of Equity Investment Permitted to Sell Prior To Close Or Termination Of Merger Agreement 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] Entity File Number Entity File Number MSA termination fee annual installments, payment period Management Services Agreement, Termination Fee Annual Installments, Payment Period Management Services Agreement, Termination Fee Annual Installments, Payment Period Recognized gains, net Nonoperating Gains (Losses) Consolidated Entities [Domain] Consolidated Entities [Domain] Revenue Recognition Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Non-controlling Interests Noncontrolling Interest [Member] Condensed Consolidated Statements of Operations Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Reclassification adjustments for unrealized gains and losses of unconsolidated affiliates, net of tax, included in net earnings Reclassification adjustments for unrealized gains and losses on unconsolidated affiliates, net of tax, included in net earnings Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings Other Comprehensive Income Loss Reclassification Adjustment For Net Unrealized Gains Losses On Unconsolidated Affiliates, Net Of Tax, Include Net Earnings Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total assets Assets, Fair Value Disclosure Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Change in deferred taxes Increase (Decrease) in Deferred Income Taxes Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Asset Class [Axis] Asset Class [Axis] Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Terminated Amended Management Services Agreement Termination Fees Installment That Would Have Been Due Under The MSA July 1 2026 Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2026 [Member] Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2026 PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Net loss per share from continuing operations (in usd per share) Income (Loss) from Continuing Operations, Per Diluted Share Option to increase limit Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Revenue recognized that was included in deferred revenue Contract with Customer, Liability, Revenue Recognized Adjustment to Compensation: Adjustment to Compensation [Axis] 2020 Margin Facility 2020 Margin Facility [Member] 2020 Margin Facility Less: Net loss attributable to noncontrolling interests Net earnings (loss) attributable to noncontrolling interests Losses of unconsolidated affiliates Net Income (Loss) Attributable to Noncontrolling Interest Maximum Exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Purchases of other long term investments Payments to Acquire Other Investments Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Schedule of Gains on Equity Securities Included in Recognized Gains and Losses Gain (Loss) on Securities [Table Text Block] Retained Earnings Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Proceeds from sales of Dayforce shares Proceeds From Equity Method Investments, One Proceeds From Equity Method Investments, One Restaurant revenue Restaurant sales Restaurant Sales [Member] Restaurant Sales [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Weighted average shares outstanding Cannae Holdings common stock, basic basis (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Terminated Amended Management Services Agreement Termination Fees Installment That Would Have Been Due Under MSA July 1 2025 Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2025 [Member] Terminated Amended Management Services Agreement Termination Fees Installment That Would Be Due Under The MSA July 1 2025 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Filer Category Entity Filer Category Number of restaurants Number of Restaurants Company Selected Measure Name Company Selected Measure Name Other operating revenue Total other operating revenue Other Operating Revenue [Member] Total Other Operating Revenue [Member]