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(Successor) / The Dun & Bradstreet Corporation (Predecessor) Diluted (USD per share) Earnings Per Share, Diluted Schedule of Supplemental Geographic and Customer Solution Set Information Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Bilcar Bilcar [Member] Bilcar Cash consideration transferred from issuance of common and preferred shares Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Schedule of Borrowings Schedule of Debt [Table Text Block] Conversion of pre-IPO liability classified as equity-based awards to restricted stock units Conversion of Pre-IPO Liability Classified as Equity-Based Awards to Restricted Stock Units Conversion of Pre-IPO Liability Classified as Equity-Based Awards to Restricted Stock Units Balance at beginning of period Balance at end of period Indefinite-lived Intangible Assets (Excluding Goodwill) Pro forma revenue Business Acquisition, Pro Forma Revenue Liability Derivatives Derivative Liability, Fair Value, Gross Liability Motive Partners Motive Partners [Member] Motive Partners Cash to balance sheet Sale of Stock, Consideration Received on Transaction, Cash to Balance Sheet Sale of Stock, Consideration Received on Transaction, Cash to Balance Sheet Cash settlements of foreign currency contracts Payments for (Proceeds from) Derivative Instrument, Investing Activities Maximum Maximum [Member] Preferred stock authorized (shares) Preferred Stock, Shares Authorized Non-Controlling Interest Noncontrolling Interest [Member] 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] Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Proceeds from issuance of Class A common stock in the IPO transaction and Private Placement Proceeds from (Payments for) Issuance of Shares under Incentive and Share Based Compensation Plans including Stock Options The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises, net of payments associated with payroll withholding tax. Other accrued and current liabilities (Note 7) Total Accounts Payable and Other Accrued Liabilities, Current Increase (decrease) in other accrued and current liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Postretirement Benefit Obligations Other Postretirement Benefits Plan [Member] Other Goodwill, Other Increase (Decrease) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Quarterly payment of principal (as a percent) Debt Instrument, Quarterly Payment, Percent of Principal Debt Instrument, Quarterly Payment, Percent of Principal Private Placement Private Placement [Member] Schedule of Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Accrued liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Liabilities Business Combination, Recognized 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income (loss) Operating Income (Loss) Issuance price per share relative to IPO price per share (as a percent) Sale of Stock, Proportion of Issuance Price per Share to Initial Public Offering Price per Share Sale of Stock, Proportion of Issuance Price per Share to Initial Public Offering Price per Share Payment of debt issuance costs Payments of Debt Issuance Costs Postemployment Benefits [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Severance costs Severance Costs Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Variable Rate [Axis] Variable Rate [Axis] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Commitments and contingencies (Note 8 and 19) Commitments and Contingencies Cannae Holdings Cannae Holdings [Member] Cannae Holdings Vesting period (in years) Share-based Compensation Arrangement by Share-based Payment 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Share-based Payment Arrangement, Increase for Cost Recognition Total Other Intangible Assets [Roll Forward] Other Intangible Assets [Roll Forward] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Stock price (USD per share) Share Price Entity File Number Entity File Number Business Acquisition [Axis] Business Acquisition [Axis] Geographical [Domain] Geographical [Domain] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Amortization of commission assets Capitalized Contract Cost, Amortization Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Changes in deferred income taxes Increase (Decrease) in Deferred Income Taxes Schedule of Capitalized Software and Goodwill Schedule of Capitalized Software and 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Star Parent, L.P. [Member] Star Parent, L.P. Charge taken during the period Restructuring and Related Cost, Incurred Cost Payment for debt early redemption premiums Payments for Early Redemption Premiums of Debt Payments for Early Redemption Premiums of Debt Schedule of Purchase Price Allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Star Merger Sub, Inc. Star Merger Sub, Inc. [Member] Star Merger Sub, Inc. 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(Successor) Pro forma net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor) Business Acquisition, Pro Forma Net Income (Loss) Vested (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Exercise Price Principal Long-Term Debt, Maturity, Year Four Income Statement Location [Axis] Income Statement Location [Axis] Principal Long-Term Debt, Maturity, After Year Four Long-Term Debt, Maturity, After Year Four Other liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Liabilities Notional amount of derivative Derivative, Notional Amount Bridge Loan Bridge Facility New Repatriation Bridge Facility [Member] New Repatriation Bridge Facility Amortization Amortization of Intangible Assets Other Finite-lived Intangible Assets, Net, Other Increase (Decrease) Finite-lived Intangible Assets, Net, Other Increase (Decrease) Prepaid taxes Prepaid Taxes Entity Current Reporting Status Entity Current Reporting Status Pension settlement charge Pension settlement charge Pension Settlement Charge Pension Settlement Charge Segment Information Segment Reporting Disclosure [Text Block] Issuance of Class A Common Stock in IPO, net of issuance costs Stock Issued During Period, Value, New Issues Finance & Risk Finance and Risk Management [Member] Finance and Risk Management [Member] Corporate and other Corporate and Reconciling Items [Member] Corporate and Reconciling Items Schedule of Other Accrued and Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Lattice Lattice Engines, Inc. [Member] Lattice Engines, Inc. Balance at beginning of period Balance at end of period Finite-Lived Intangible Assets, Net Total long-lived assets Long-Lived Assets Grant date fair value per share (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Contract termination, write-down of right-of-use assets and other exit costs Business Exit Costs Prepaid pension assets Assets for Plan Benefits, Defined Benefit Plan Accrued income tax Accrued Income Taxes, Current Entity Small Business Entity Small Business Interest expense Interest Expense Interest Expense Consideration received on transaction Gross proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Depreciation and amortization Depreciation, Depletion and Amortization Entity Filer Category Entity Filer Category Product and Service [Axis] Product and Service [Axis] Make-whole derivative liability Embedded Derivative, Fair Value of Embedded Derivative Liability, Current Embedded Derivative, Fair Value of Embedded Derivative Liability, Current Amortization of prior service costs Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Fourth Quarter 2020 Long-term Debt, Fiscal Year Maturity, Remainder of Fiscal Year [Abstract] Long-term Debt, Fiscal Year Maturity, Remainder of Fiscal Year Weighted Average Amortization Period (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Orb Intelligence & coAction.com Orb Intelligence & coAction.com [Member] Orb Intelligence & coAction.com Principal Long-Term Debt, Maturity, Year Two New Senior Secured Notes - 6.875% New Senior Secured Notes New Senior Secured Notes - 6.875% [Member] New Senior Secured Notes - 6.875% Revenues recognized that were included in deferred revenue Contract with Customer, Liability, Revenue Recognized Net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor) Net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor) Net Income (Loss) Available to Common Stockholders, Basic Blended statutory tax rate (as a percent) Business Acquisition, Pro Forma, Blended Federal Statutory Tax Rate Assumed, Percent Business Acquisition, Pro Forma, Blended Federal Statutory Tax Rate Assumed, Percent Amount of Gain or (Loss) Recognized in OCI on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Document Fiscal Year Focus Document Fiscal Year Focus Increase (decrease) in accounts payable Increase (Decrease) in Accounts Payable 2022 Long-term Debt, Fiscal Year Maturity, Year Two [Abstract] Long-term Debt, Fiscal Year Maturity, Year Two Debt Instrument [Axis] Debt Instrument [Axis] Operating Segments Operating Segments [Member] Class of Stock [Line Items] Class of Stock [Line Items] Increase (decrease) in accrued liabilities Increase (Decrease) in Accrued Liabilities Derivative Liability Derivative Liability Reconciliation of net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Subsequent Event Subsequent Event [Member] Contingent liabilities under open standby letters of credit and bank guarantees in favor of third parties Letters of Credit Outstanding, Amount Bisnode Bisnode Business Information Group AB [Member] Bisnode Business Information Group AB New York NEW YORK Acquisition Intangible Assets, Net (Excluding Goodwill), Acquisitions Intangible Assets, Net (Excluding Goodwill), Acquisitions Borrowings from notes issuances and Credit Facilities Business Combination, Consideration Transferred, Liabilities Incurred August 12, 2020 (3) August 12, 2020 #3 [Member] August 12, 2020 #3 Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name Fair Value Estimate of Fair Value Measurement [Member] Make-whole payment on redemption of Series A Preferred Stock Make-Whole Payment on Redemption of Preferred Stock Make-Whole Payment on Redemption of Preferred Stock Long-term lease liability Operating Lease, Liability, Noncurrent Accretion - Series A Preferred Stock Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Third-party fees Payments of Debt Restructuring Costs Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Pension adjustments, net of tax expense (benefit) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Weighted Average Black Scholes Value (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Black Scholes Value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Black Scholes Value Incentive Units Incentive Units [Member] Incentive Units Current Assets Assets, Current [Abstract] Total assets acquired Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets including Goodwill Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets including Goodwill Interest income Investment Income, Interest Stock Issuance Costs Stock Issuance Costs [Member] Stock Issuance Costs Comprehensive income (loss) attributable to Dun & Bradstreet Holdings, Inc. 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Other Payments and other adjustments made during period Payments for Restructuring and Other Adjustments Payments for Restructuring and Other Adjustments Asset Derivatives Derivative Asset, Fair Value, Gross Asset Significant Other Observable Inputs (Level II) Fair Value, Inputs, Level 2 [Member] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Basis of Presentation Basis of Accounting [Text Block] June 30, 2020 (2) June 30, 2020 #2 [Member] June 30, 2020 #2 Senior Notes Due 2022 Senior Notes Due 2022 [Member] Senior Notes Due 2022 [Member] Preliminary Purchase Price Allocation: Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Subsequent Event [Line Items] Subsequent Event [Line Items] Credit Facility [Domain] Credit Facility [Domain] Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Debt discount (premium) Debt Instrument, Unamortized Discount (Premium), Net Net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor) Basic (USD per share) Earnings Per Share, Basic Amounts paid to equity holders Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Less Noncontrolling Interest and Debt Repayment Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest and Debt Repayment Reclassification related to leases pursuant to the adoption of Topic 842 Restructuring Reserve, Translation and Other Adjustment Weighted Average Expected Life of Option (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Long-term pension and postretirement benefits (Note 10) Liability, Defined Benefit Plan, Noncurrent Acquisition Finite-lived Intangible Assets Acquired Total Debt Long-Term Debt, Maturity And Future Interest Payments Due, Year Two Long-Term Debt, Maturity And Future Interest Payments Due, Year Two Total compensation expense for stock options granted Total Compensation Expense (4) Equity-based compensation Share-based Payment Arrangement, Expense Balance Sheet Location [Axis] Balance Sheet Location [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total Expected Tax Benefit Share-based Payment Arrangement, Expense, Tax Benefit Subsequent Event [Table] Subsequent Event [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Increase in contract asset Increase (Decrease) in Contract with Customer, Asset Non-controlling interest Stockholders' Equity Attributable to Noncontrolling Interest Grant date fair value per share (USD per share) Granted (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 Carrying value, short-term debt Short-term Debt Pro forma adjustments - net of tax effect Business Acquisition, Pro Forma Information [Abstract] Maximum ratio of first lien net indebtedness to consolidated EBITDA Line of Credit Facility, Covenant Terms, Maximum Ratio of First Lien Net Indebtedness to Consolidated EBITDA Line of Credit Facility, Covenant Terms, Maximum Ratio of First Lien Net Indebtedness to Consolidated EBITDA Cash flows provided by (used in) investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Foreign exchange forward contracts Foreign exchange forwards Foreign Exchange Forward [Member] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Computer software, net of accumulated amortization of $106.6 at September 30, 2020 and $52.9 at December 31, 2019 (Note 17) Balance at beginning of period Balance at end of period Capitalized Computer Software, Net Interest Expense Interest Expense [Member] (Increase) decrease in accounts receivable Increase (Decrease) in Accounts Receivable Payments for IPO offering costs IPO related expenses Payments of Stock Issuance Costs Total liabilities and stockholder equity Liabilities and Equity Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Derivative financial instrument, tax expense (benefit) Derivative financial instruments, tax expense (benefit) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Total purchase price Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total liabilities assumed Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Antidilutive securities excluded from computation of EPS (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Take-Private Transaction Take-Private Transaction Take-Private Transaction Make-whole derivative liability Make-Whole Derivative Liability [Member] Make-Whole Derivative Liability Net, other non-cash adjustments Other Noncash Income (Expense) Phantom units converted during period (shares) Phantom Units Converted during Period Phantom Units Converted during Period Number of profit interest units granted (shares) Number of Profit Interest Units Granted Number of Profit Interest Units Granted Useful lives of intangible assets Finite-Lived Intangible Asset, Useful Life Equity Component [Domain] Equity Component [Domain] Property, plant and equipment, net of accumulated depreciation of $14.4 at September 30, 2020 and $7.5 at December 31, 2019 Property, Plant and Equipment, Net Transaction fee valuation rate (as a percent) Related Party Transaction, Transaction Fees, Percent Related Party Transaction, Transaction Fees, Percent Other Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets, Other Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Current Assets, Other Net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor) Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.(Successor) Net Income (Loss) Attributable to Parent Interest rate contracts Interest Rate Contract [Member] Stock Based Compensation Share-based Payment Arrangement [Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] Deferred revenue purchase accounting adjustments Contract with Customer, Liability, Purchase Accounting Adjustments Contract with Customer, Liability, Purchase Accounting Adjustments Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Long-term deferred revenue Deferred revenue - long term Contract with Customer, Liability, Noncurrent Successor Term Loan Facility New Term Loan Facility New Term Loan Facility [Member] New Term Loan Facility Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Long-term pension and postretirement obligations Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Long-term Pension and Postretirement Obligation Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Long-term Pension and Postretirement Obligation Equity Commitment Fee Equity Commitment Fee [Member] Equity Commitment Fee Other Other Sundry Liabilities, Noncurrent 2023 Long-term Debt, Fiscal Year Maturity, Year Three [Abstract] Long-term Debt, Fiscal Year Maturity, Year Three Reclassifications out of AOCI [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Subsidiary of Black Knight Subsidiary of Black Knight [Member] Subsidiary of Black Knight Affiliate of CC Capital Affiliate of CC Capital [Member] Affiliate of CC Capital Foreign currency translation adjustments, tax expense (benefit) Change in cumulative translation adjustment, tax expense (benefit) Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Accumulated depreciation on property, plant, and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Short-term contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Total debt Debt Instruments [Abstract] Related Party Transactions [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Contract Termination and Other Exit Costs Contract Termination and Other Restructuring [Member] Contract Termination and Other Restructuring Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Weighted average number of shares outstanding - basic (shares) Weighted Average Number of Shares Outstanding, Basic Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Weighted Average Risk-Free Interest Rate (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Forfeited (USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Restructuring accruals Restructuring Reserve, Current Carrying Amount Reported Value Measurement [Member] Debt Issuance Costs and Discount* Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Noncurrent Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Noncurrent Revenue Revenue from Contract with Customer [Text Block] Preferred stock, dividends declared (USD per share) Preferred Stock, Dividends Per Share, Declared Other Capitalized Computer Software Other Increase (Decrease) Capitalized Computer Software Other Increase (Decrease) Less: provision (benefit) for income taxes Income tax benefit Tax benefit (expense) Benefit for income taxes - net Income Tax Expense (Benefit) Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents U.S. tax liability associated with the 2017 Act Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Noncurrent Schedule of Maturities of Debt Schedule of Maturities of Long-term Debt [Table Text Block] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Payments to acquire business Payments to Acquire Businesses, Gross Schedule of Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Total Debt Long-Term Debt, Maturity And Future Interest Payments Due, After Year Four Long-Term Debt, Maturity And Future Interest Payments Due, After Year Four Accelerated recognition of equity-based compensation Share-based Payment Arrangement, Accelerated Cost Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Principal amount, current maturities of long-term debt Long-term Debt, Current Maturities, Gross Long-term Debt, Current Maturities, Gross Principal amount, long-term debt Long-term Debt, Gross Indefinite-lived Intangible Assets [Roll Forward] Indefinite-lived Intangible Assets [Roll Forward] Related Party Transaction [Domain] Related Party Transaction [Domain] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] 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] Security Exchange Name Security Exchange Name Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Predecessor Credit Facility Predecessor Revolving Credit Facility Predecessor Revolving Credit Facility [Member] Predecessor Revolving Credit Facility (Accumulated Deficit) Retained Earnings Retained Earnings [Member] Income Statement - Parenthetical [Abstract] Income Statement - Parenthetical [Abstract] Income Statement - Parenthetical Measurement Basis [Axis] Measurement Basis [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Schedule of Components of Net Periodic (Income) Cost Associated with Pension Plans and Postretirement Benefit Obligations Schedule of Net Benefit Costs [Table Text Block] Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Pension settlement payments Pension settlement payments Payment of Pension Settlement Payment of Pension Settlement Award Type [Domain] Award Type [Domain] Document Transition Report Document Transition Report Schedule of Restructuring Reserves and Utilization Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Payment for the redemption of Cumulative Series A Preferred Stock Redemption of Series A Preferred Stock Payments for Repurchase of Redeemable Preferred Stock Class C Profit Interest Units Class C Profit Interest Units [Member] Class C Profit Interest Units 2024 Long-term Debt, Fiscal Year Maturity, Year Four [Abstract] Long-term Debt, Fiscal Year Maturity, Year Four Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Earnings (Loss) Per Share Earnings Per Share [Text Block] Pension Plans Pension Plan [Member] Current liabilities Liabilities, Current [Abstract] Total Debt Long-Term Debt And Future Interest Payments Due Long-Term Debt And Future Interest Payments Due Recently Adopted Accounting Pronouncements & Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Basic earnings (loss) per share of common stock: Earnings Per Share, Basic [Abstract]