3.22.0.1 html 891 894 1 true 238 0 false 8 false false R1.htm 000010001 - Document - Cover Page Sheet http://www.dnb.com/role/CoverPage Cover Page Cover 1 false false R2.htm 000020002 - Document - Audit Information Sheet http://www.dnb.com/role/AuditInformation Audit Information Notes 2 false false R3.htm 100010003 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) Sheet http://www.dnb.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncomeLoss Consolidated Statements of Operations and Comprehensive Income (Loss) Uncategorized 3 false false R4.htm 100020004 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) Sheet http://www.dnb.com/role/ConsolidatedStatementsofOperationsandComprehensiveIncomeLossParenthetical Consolidated Statements of Operations and Comprehensive Income (Loss) (Parenthetical) Cover 4 false false R5.htm 100030005 - Statement - Consolidated Balance Sheets Sheet http://www.dnb.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 5 false false R6.htm 100040006 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.dnb.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 6 false false R7.htm 100050007 - Statement - Consolidated Statements of Cash Flows Sheet http://www.dnb.com/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 100060008 - Statement - Consolidated Statements of Cash Flows (Parenthetical) Sheet http://www.dnb.com/role/ConsolidatedStatementsofCashFlowsParenthetical Consolidated Statements of Cash Flows (Parenthetical) Statements 8 false false R9.htm 100070009 - Statement - Consolidated Statements of Stockholder Equity (Deficit) Sheet http://www.dnb.com/role/ConsolidatedStatementsofStockholderEquityDeficit Consolidated Statements of Stockholder Equity (Deficit) Statements 9 false false R10.htm 210011001 - Disclosure - Basis of Presentation and Description of Business Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusiness Basis of Presentation and Description of Business Notes 10 false false R11.htm 210081002 - Disclosure - Significant Accounting Policies Sheet http://www.dnb.com/role/SignificantAccountingPolicies Significant Accounting Policies Notes 11 false false R12.htm 210131003 - Disclosure - Recent Accounting Pronouncements Sheet http://www.dnb.com/role/RecentAccountingPronouncements Recent Accounting Pronouncements Notes 12 false false R13.htm 210141004 - Disclosure - Revenue Sheet http://www.dnb.com/role/Revenue Revenue Notes 13 false false R14.htm 210211005 - Disclosure - Restructuring Charges Sheet http://www.dnb.com/role/RestructuringCharges Restructuring Charges Notes 14 false false R15.htm 210251006 - Disclosure - Notes Payable and Indebtedness Notes http://www.dnb.com/role/NotesPayableandIndebtedness Notes Payable and Indebtedness Notes 15 false false R16.htm 210301007 - Disclosure - Leases Sheet http://www.dnb.com/role/Leases Leases Notes 16 false false R17.htm 210371008 - Disclosure - Contingencies Sheet http://www.dnb.com/role/Contingencies Contingencies Notes 17 false false R18.htm 210381009 - Disclosure - Income Taxes Sheet http://www.dnb.com/role/IncomeTaxes Income Taxes Notes 18 false false R19.htm 210461010 - Disclosure - Pension and Postretirement Benefits Sheet http://www.dnb.com/role/PensionandPostretirementBenefits Pension and Postretirement Benefits Notes 19 false false R20.htm 210581011 - Disclosure - Stock Based Compensation Sheet http://www.dnb.com/role/StockBasedCompensation Stock Based Compensation Notes 20 false false R21.htm 210681012 - Disclosure - Earnings (Loss) Per Share Sheet http://www.dnb.com/role/EarningsLossPerShare Earnings (Loss) Per Share Notes 21 false false R22.htm 210731013 - Disclosure - Financial Instruments Sheet http://www.dnb.com/role/FinancialInstruments Financial Instruments Notes 22 false false R23.htm 210801014 - Disclosure - Accumulated Other Comprehensive Income (Loss) Sheet http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLoss Accumulated Other Comprehensive Income (Loss) Notes 23 false false R24.htm 210841015 - Disclosure - Take-Private Transaction Sheet http://www.dnb.com/role/TakePrivateTransaction Take-Private Transaction Notes 24 false false R25.htm 210891016 - Disclosure - Acquisitions Sheet http://www.dnb.com/role/Acquisitions Acquisitions Notes 25 false false R26.htm 210941017 - Disclosure - Supplemental Financial Data Sheet http://www.dnb.com/role/SupplementalFinancialData Supplemental Financial Data Notes 26 false false R27.htm 211081018 - Disclosure - Segment Information Sheet http://www.dnb.com/role/SegmentInformation Segment Information Notes 27 false false R28.htm 211141019 - Disclosure - Related Parties Sheet http://www.dnb.com/role/RelatedParties Related Parties Notes 28 false false R29.htm 211161020 - Disclosure - Contractual Obligations Sheet http://www.dnb.com/role/ContractualObligations Contractual Obligations Notes 29 false false R30.htm 211201021 - Disclosure - Quarterly Financial Data (Unaudited) Sheet http://www.dnb.com/role/QuarterlyFinancialDataUnaudited Quarterly Financial Data (Unaudited) Notes 30 false false R31.htm 211231022 - Disclosure - Subsequent Events Sheet http://www.dnb.com/role/SubsequentEvents Subsequent Events Notes 31 false false R32.htm 220092001 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.dnb.com/role/SignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.dnb.com/role/SignificantAccountingPolicies 32 false false R33.htm 230023001 - Disclosure - Basis of Presentation and Description of Business (Tables) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessTables Basis of Presentation and Description of Business (Tables) Tables http://www.dnb.com/role/BasisofPresentationandDescriptionofBusiness 33 false false R34.htm 230103002 - Disclosure - Significant Accounting Policies (Tables) Sheet http://www.dnb.com/role/SignificantAccountingPoliciesTables Significant Accounting Policies (Tables) Tables http://www.dnb.com/role/SignificantAccountingPolicies 34 false false R35.htm 230153003 - Disclosure - Revenue (Tables) Sheet http://www.dnb.com/role/RevenueTables Revenue (Tables) Tables http://www.dnb.com/role/Revenue 35 false false R36.htm 230223004 - Disclosure - Restructuring Charges (Tables) Sheet http://www.dnb.com/role/RestructuringChargesTables Restructuring Charges (Tables) Tables http://www.dnb.com/role/RestructuringCharges 36 false false R37.htm 230263005 - Disclosure - Notes Payable and Indebtedness (Tables) Notes http://www.dnb.com/role/NotesPayableandIndebtednessTables Notes Payable and Indebtedness (Tables) Tables http://www.dnb.com/role/NotesPayableandIndebtedness 37 false false R38.htm 230313006 - Disclosure - Leases (Tables) Sheet http://www.dnb.com/role/LeasesTables Leases (Tables) Tables http://www.dnb.com/role/Leases 38 false false R39.htm 230393007 - Disclosure - Income Taxes (Tables) Sheet http://www.dnb.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.dnb.com/role/IncomeTaxes 39 false false R40.htm 230473008 - Disclosure - Pension and Postretirement Benefits (Tables) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsTables Pension and Postretirement Benefits (Tables) Tables http://www.dnb.com/role/PensionandPostretirementBenefits 40 false false R41.htm 230593009 - Disclosure - Stock Based Compensation (Tables) Sheet http://www.dnb.com/role/StockBasedCompensationTables Stock Based Compensation (Tables) Tables http://www.dnb.com/role/StockBasedCompensation 41 false false R42.htm 230693010 - Disclosure - Earnings (Loss) Per Share (Tables) Sheet http://www.dnb.com/role/EarningsLossPerShareTables Earnings (Loss) Per Share (Tables) Tables http://www.dnb.com/role/EarningsLossPerShare 42 false false R43.htm 230743011 - Disclosure - Financial Instruments (Tables) Sheet http://www.dnb.com/role/FinancialInstrumentsTables Financial Instruments (Tables) Tables http://www.dnb.com/role/FinancialInstruments 43 false false R44.htm 230813012 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) Sheet http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLossTables Accumulated Other Comprehensive Income (Loss) (Tables) Tables http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLoss 44 false false R45.htm 230853013 - Disclosure - Take-Private Transaction (Tables) Sheet http://www.dnb.com/role/TakePrivateTransactionTables Take-Private Transaction (Tables) Tables http://www.dnb.com/role/TakePrivateTransaction 45 false false R46.htm 230903014 - Disclosure - Acquisitions (Tables) Sheet http://www.dnb.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.dnb.com/role/Acquisitions 46 false false R47.htm 230953015 - Disclosure - Supplemental Financial Data (Tables) Sheet http://www.dnb.com/role/SupplementalFinancialDataTables Supplemental Financial Data (Tables) Tables http://www.dnb.com/role/SupplementalFinancialData 47 false false R48.htm 231093016 - Disclosure - Segment Information (Tables) Sheet http://www.dnb.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.dnb.com/role/SegmentInformation 48 false false R49.htm 231173017 - Disclosure - Contractual Obligations (Tables) Sheet http://www.dnb.com/role/ContractualObligationsTables Contractual Obligations (Tables) Tables http://www.dnb.com/role/ContractualObligations 49 false false R50.htm 231213018 - Disclosure - Quarterly Financial Data (Unaudited) (Tables) Sheet http://www.dnb.com/role/QuarterlyFinancialDataUnauditedTables Quarterly Financial Data (Unaudited) (Tables) Tables http://www.dnb.com/role/QuarterlyFinancialDataUnaudited 50 false false R51.htm 240034001 - Disclosure - Basis of Presentation and Description of Business - Narrative (Details) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessNarrativeDetails Basis of Presentation and Description of Business - Narrative (Details) Details http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessTables 51 false false R52.htm 240044002 - Disclosure - Basis of Presentation and Description of Business - Use of Proceeds from IPO (Details) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessUseofProceedsfromIPODetails Basis of Presentation and Description of Business - Use of Proceeds from IPO (Details) Details 52 false false R53.htm 240054003 - Disclosure - Basis of Presentation and Description of Business - Changes to Annual Results: Income Statement (Details) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessChangestoAnnualResultsIncomeStatementDetails Basis of Presentation and Description of Business - Changes to Annual Results: Income Statement (Details) Details 53 false false R54.htm 240064004 - Disclosure - Basis of Presentation and Description of Business - Changes to Annual Results: Balance Sheet (Details) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessChangestoAnnualResultsBalanceSheetDetails Basis of Presentation and Description of Business - Changes to Annual Results: Balance Sheet (Details) Details 54 false false R55.htm 240074005 - Disclosure - Basis of Presentation and Description of Business - Changes to Annual Results: Cash Flow Statement (Details) Sheet http://www.dnb.com/role/BasisofPresentationandDescriptionofBusinessChangestoAnnualResultsCashFlowStatementDetails Basis of Presentation and Description of Business - Changes to Annual Results: Cash Flow Statement (Details) Details 55 false false R56.htm 240114006 - Disclosure - Significant Accounting Policies - Narrative (Details) Sheet http://www.dnb.com/role/SignificantAccountingPoliciesNarrativeDetails Significant Accounting Policies - Narrative (Details) Details 56 false false R57.htm 240124007 - Disclosure - Significant Accounting Policies - Definite Lived Intangible Assets (Details) Sheet http://www.dnb.com/role/SignificantAccountingPoliciesDefiniteLivedIntangibleAssetsDetails Significant Accounting Policies - Definite Lived Intangible Assets (Details) Details 57 false false R58.htm 240164008 - Disclosure - Revenue - Remaining Performance Obligation (Details) Sheet http://www.dnb.com/role/RevenueRemainingPerformanceObligationDetails Revenue - Remaining Performance Obligation (Details) Details 58 false false R59.htm 240174009 - Disclosure - Revenue - Timing of Revenue Recognition (Details) Sheet http://www.dnb.com/role/RevenueTimingofRevenueRecognitionDetails Revenue - Timing of Revenue Recognition (Details) Details 59 false false R60.htm 240184010 - Disclosure - Revenue - Contract Balances (Details) Sheet http://www.dnb.com/role/RevenueContractBalancesDetails Revenue - Contract Balances (Details) Details 60 false false R61.htm 240194011 - Disclosure - Revenue - Narrative (Details) Sheet http://www.dnb.com/role/RevenueNarrativeDetails Revenue - Narrative (Details) Details 61 false false R62.htm 240204012 - Disclosure - Revenue - Amortization of Commission Assets (Details) Sheet http://www.dnb.com/role/RevenueAmortizationofCommissionAssetsDetails Revenue - Amortization of Commission Assets (Details) Details 62 false false R63.htm 240234013 - Disclosure - Restructuring Charges - Narrative (Details) Sheet http://www.dnb.com/role/RestructuringChargesNarrativeDetails Restructuring Charges - Narrative (Details) Details 63 false false R64.htm 240244014 - Disclosure - Restructuring Charges - Restructuring Reserve and Utilization (Details) Sheet http://www.dnb.com/role/RestructuringChargesRestructuringReserveandUtilizationDetails Restructuring Charges - Restructuring Reserve and Utilization (Details) Details 64 false false R65.htm 240274015 - Disclosure - Notes Payable and Indebtedness - Summary (Details) Notes http://www.dnb.com/role/NotesPayableandIndebtednessSummaryDetails Notes Payable and Indebtedness - Summary (Details) Details 65 false false R66.htm 240284016 - Disclosure - Notes Payable and Indebtedness - Narrative (Details) Notes http://www.dnb.com/role/NotesPayableandIndebtednessNarrativeDetails Notes Payable and Indebtedness - Narrative (Details) Details 66 false false R67.htm 240294017 - Disclosure - Notes Payable and Indebtedness - Maturities and Interest Payments (Details) Notes http://www.dnb.com/role/NotesPayableandIndebtednessMaturitiesandInterestPaymentsDetails Notes Payable and Indebtedness - Maturities and Interest Payments (Details) Details 67 false false R68.htm 240324018 - Disclosure - Leases - Narrative (Details) Sheet http://www.dnb.com/role/LeasesNarrativeDetails Leases - Narrative (Details) Details 68 false false R69.htm 240334019 - Disclosure - Leases - Right of Use Assets and Lease Liabilities (Details) Sheet http://www.dnb.com/role/LeasesRightofUseAssetsandLeaseLiabilitiesDetails Leases - Right of Use Assets and Lease Liabilities (Details) Details 69 false false R70.htm 240344020 - Disclosure - Leases - Operating Lease Cost and Supplemental Cash Flow Information (Details) Sheet http://www.dnb.com/role/LeasesOperatingLeaseCostandSupplementalCashFlowInformationDetails Leases - Operating Lease Cost and Supplemental Cash Flow Information (Details) Details 70 false false R71.htm 240354021 - Disclosure - Leases - Maturity Analysis for Operating Lease Liabilities (Details) Sheet http://www.dnb.com/role/LeasesMaturityAnalysisforOperatingLeaseLiabilitiesDetails Leases - Maturity Analysis for Operating Lease Liabilities (Details) Details 71 false false R72.htm 240364022 - Disclosure - Leases - Other Supplemental Information on Remaining Lease Term and Discount Rate (Details) Sheet http://www.dnb.com/role/LeasesOtherSupplementalInformationonRemainingLeaseTermandDiscountRateDetails Leases - Other Supplemental Information on Remaining Lease Term and Discount Rate (Details) Details 72 false false R73.htm 240404023 - Disclosure - Income Taxes - Income (Loss) before Provision for Income Taxes (Details) Sheet http://www.dnb.com/role/IncomeTaxesIncomeLossbeforeProvisionforIncomeTaxesDetails Income Taxes - Income (Loss) before Provision for Income Taxes (Details) Details 73 false false R74.htm 240414024 - Disclosure - Income Taxes - Provision for Income Taxes (Details) Sheet http://www.dnb.com/role/IncomeTaxesProvisionforIncomeTaxesDetails Income Taxes - Provision for Income Taxes (Details) Details 74 false false R75.htm 240424025 - Disclosure - Income Taxes - Effective Income Tax Rate Reconciliation (Details) Sheet http://www.dnb.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails Income Taxes - Effective Income Tax Rate Reconciliation (Details) Details 75 false false R76.htm 240434026 - Disclosure - Income Taxes - Narrative (Details) Sheet http://www.dnb.com/role/IncomeTaxesNarrativeDetails Income Taxes - Narrative (Details) Details 76 false false R77.htm 240444027 - Disclosure - Income Taxes - Deferred Tax Assets (Liabilities) (Details) Sheet http://www.dnb.com/role/IncomeTaxesDeferredTaxAssetsLiabilitiesDetails Income Taxes - Deferred Tax Assets (Liabilities) (Details) Details 77 false false R78.htm 240454028 - Disclosure - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) Sheet http://www.dnb.com/role/IncomeTaxesReconciliationofUnrecognizedTaxBenefitsDetails Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) Details 78 false false R79.htm 240484029 - Disclosure - Pension and Postretirement Benefits - Narrative (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsNarrativeDetails Pension and Postretirement Benefits - Narrative (Details) Details 79 false false R80.htm 240494030 - Disclosure - Pension and Postretirement Benefits - Changes in Benefit Obligations and Plan Assets (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsChangesinBenefitObligationsandPlanAssetsDetails Pension and Postretirement Benefits - Changes in Benefit Obligations and Plan Assets (Details) Details 80 false false R81.htm 240504031 - Disclosure - Pension and Postretirement Benefits - Underfunded or Unfunded Accumulated Benefit Obligation and Related Projected Benefit Obligation (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsUnderfundedorUnfundedAccumulatedBenefitObligationandRelatedProjectedBenefitObligationDetails Pension and Postretirement Benefits - Underfunded or Unfunded Accumulated Benefit Obligation and Related Projected Benefit Obligation (Details) Details 81 false false R82.htm 240514032 - Disclosure - Pension and Postretirement Benefits - Components of Net Periodic Cost (Income) (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsComponentsofNetPeriodicCostIncomeDetails Pension and Postretirement Benefits - Components of Net Periodic Cost (Income) (Details) Details 82 false false R83.htm 240524033 - Disclosure - Pension and Postretirement Benefits - Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsOtherChangesinPlanAssetsandBenefitObligationsRecognizedinOtherComprehensiveIncomeDetails Pension and Postretirement Benefits - Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Details) Details 83 false false R84.htm 240534034 - Disclosure - Pension and Postretirement Benefits - Weighted-Average Assumptions Used to Determine Projected Benefit Obligations and Periodic Benefit Cost (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsWeightedAverageAssumptionsUsedtoDetermineProjectedBenefitObligationsandPeriodicBenefitCostDetails Pension and Postretirement Benefits - Weighted-Average Assumptions Used to Determine Projected Benefit Obligations and Periodic Benefit Cost (Details) Details 84 false false R85.htm 240544035 - Disclosure - Pension and Postretirement Benefits - Plan Assets at Fair Value (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsPlanAssetsatFairValueDetails Pension and Postretirement Benefits - Plan Assets at Fair Value (Details) Details 85 false false R86.htm 240554036 - Disclosure - Pension and Postretirement Benefits - Weighted Average Asset Allocations and Target Asset Allocations by Asset Category (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsWeightedAverageAssetAllocationsandTargetAssetAllocationsbyAssetCategoryDetails Pension and Postretirement Benefits - Weighted Average Asset Allocations and Target Asset Allocations by Asset Category (Details) Details 86 false false R87.htm 240564037 - Disclosure - Pension and Postretirement Benefits - Expected Benefit Payments (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsExpectedBenefitPaymentsDetails Pension and Postretirement Benefits - Expected Benefit Payments (Details) Details 87 false false R88.htm 240574038 - Disclosure - Pension and Postretirement Benefits - Healthcare Trend Assumptions (Details) Sheet http://www.dnb.com/role/PensionandPostretirementBenefitsHealthcareTrendAssumptionsDetails Pension and Postretirement Benefits - Healthcare Trend Assumptions (Details) Details 88 false false R89.htm 240604039 - Disclosure - Stock Based Compensation - Components of Equity-Based Compensation (Details) Sheet http://www.dnb.com/role/StockBasedCompensationComponentsofEquityBasedCompensationDetails Stock Based Compensation - Components of Equity-Based Compensation (Details) Details 89 false false R90.htm 240614040 - Disclosure - Stock Based Compensation - Narrative (Details) Sheet http://www.dnb.com/role/StockBasedCompensationNarrativeDetails Stock Based Compensation - Narrative (Details) Details 90 false false R91.htm 240624041 - Disclosure - Stock Based Compensation - Stock Options, Restricted Stock and Restricted Stock Units Granted (Details) Sheet http://www.dnb.com/role/StockBasedCompensationStockOptionsRestrictedStockandRestrictedStockUnitsGrantedDetails Stock Based Compensation - Stock Options, Restricted Stock and Restricted Stock Units Granted (Details) Details 91 false false R92.htm 240634042 - Disclosure - Stock Based Compensation - Stock Options, Restricted Stock and Restricted Stock Units Activity (Details) Sheet http://www.dnb.com/role/StockBasedCompensationStockOptionsRestrictedStockandRestrictedStockUnitsActivityDetails Stock Based Compensation - Stock Options, Restricted Stock and Restricted Stock Units Activity (Details) Details 92 false false R93.htm 240644043 - Disclosure - Stock Based Compensation - Fair Value Assumptions of Options (Details) Sheet http://www.dnb.com/role/StockBasedCompensationFairValueAssumptionsofOptionsDetails Stock Based Compensation - Fair Value Assumptions of Options (Details) Details 93 false false R94.htm 240654044 - Disclosure - Stock Based Compensation - Profit Interest Units Granted (Details) Sheet http://www.dnb.com/role/StockBasedCompensationProfitInterestUnitsGrantedDetails Stock Based Compensation - Profit Interest Units Granted (Details) Details 94 false false R95.htm 240664045 - Disclosure - Stock Based Compensation - Fair Value Assumptions of Equity Instruments Other than Options (Details) Sheet http://www.dnb.com/role/StockBasedCompensationFairValueAssumptionsofEquityInstrumentsOtherthanOptionsDetails Stock Based Compensation - Fair Value Assumptions of Equity Instruments Other than Options (Details) Details 95 false false R96.htm 240674046 - Disclosure - Stock Based Compensation - RSUs and Common Stock Activity (Details) Sheet http://www.dnb.com/role/StockBasedCompensationRSUsandCommonStockActivityDetails Stock Based Compensation - RSUs and Common Stock Activity (Details) Details 96 false false R97.htm 240704047 - Disclosure - Earnings (Loss) Per Share - Summary (Details) Sheet http://www.dnb.com/role/EarningsLossPerShareSummaryDetails Earnings (Loss) Per Share - Summary (Details) Details http://www.dnb.com/role/EarningsLossPerShareTables 97 false false R98.htm 240714048 - Disclosure - Earnings (Loss) Per Share -Narrative (Details) Sheet http://www.dnb.com/role/EarningsLossPerShareNarrativeDetails Earnings (Loss) Per Share -Narrative (Details) Details http://www.dnb.com/role/EarningsLossPerShareTables 98 false false R99.htm 240724049 - Disclosure - Earnings (Loss) Per Share - Reconciliation of Common Stock Issued and Outstanding (Details) Sheet http://www.dnb.com/role/EarningsLossPerShareReconciliationofCommonStockIssuedandOutstandingDetails Earnings (Loss) Per Share - Reconciliation of Common Stock Issued and Outstanding (Details) Details http://www.dnb.com/role/EarningsLossPerShareTables 99 false false R100.htm 240754050 - Disclosure - Financial Instruments - Narrative (Details) Sheet http://www.dnb.com/role/FinancialInstrumentsNarrativeDetails Financial Instruments - Narrative (Details) Details 100 false false R101.htm 240764051 - Disclosure - Financial Instruments - Fair Values of Derivative Instruments in Consolidated Balance Sheet (Details) Sheet http://www.dnb.com/role/FinancialInstrumentsFairValuesofDerivativeInstrumentsinConsolidatedBalanceSheetDetails Financial Instruments - Fair Values of Derivative Instruments in Consolidated Balance Sheet (Details) Details 101 false false R102.htm 240774052 - Disclosure - Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Operations and Comprehensive Income (Details) Sheet http://www.dnb.com/role/FinancialInstrumentsEffectofDerivativeInstrumentsonConsolidatedStatementofOperationsandComprehensiveIncomeDetails Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Operations and Comprehensive Income (Details) Details 102 false false R103.htm 240784053 - Disclosure - Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Sheet http://www.dnb.com/role/FinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Details 103 false false R104.htm 240794054 - Disclosure - Financial Instruments - Carrying Amount and Estimated Fair Value of Asset (Liability) (Details) Sheet http://www.dnb.com/role/FinancialInstrumentsCarryingAmountandEstimatedFairValueofAssetLiabilityDetails Financial Instruments - Carrying Amount and Estimated Fair Value of Asset (Liability) (Details) Details 104 false false R105.htm 240824055 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary (Details) Sheet http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLossSummaryDetails Accumulated Other Comprehensive Income (Loss) - Summary (Details) Details http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLossTables 105 false false R106.htm 240834056 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Reclassifications (Details) Sheet http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsDetails Accumulated Other Comprehensive Income (Loss) - Reclassifications (Details) Details http://www.dnb.com/role/AccumulatedOtherComprehensiveIncomeLossTables 106 false false R107.htm 240864057 - Disclosure - Take-Private Transaction - Narrative (Details) Sheet http://www.dnb.com/role/TakePrivateTransactionNarrativeDetails Take-Private Transaction - Narrative (Details) Details 107 false false R108.htm 240874058 - Disclosure - Take-Private Transaction - Purchase Price Allocation (Details) Sheet http://www.dnb.com/role/TakePrivateTransactionPurchasePriceAllocationDetails Take-Private Transaction - Purchase Price Allocation (Details) Details 108 false false R109.htm 240884059 - Disclosure - Take-Private Transaction - Pro Forma Information (Details) Sheet http://www.dnb.com/role/TakePrivateTransactionProFormaInformationDetails Take-Private Transaction - Pro Forma Information (Details) Details 109 false false R110.htm 240914060 - Disclosure - Acquisitions - Narrative (Details) Sheet http://www.dnb.com/role/AcquisitionsNarrativeDetails Acquisitions - Narrative (Details) Details 110 false false R111.htm 240924061 - Disclosure - Acquisitions - Purchase Price Allocation (Details) Sheet http://www.dnb.com/role/AcquisitionsPurchasePriceAllocationDetails Acquisitions - Purchase Price Allocation (Details) Details 111 false false R112.htm 240934062 - Disclosure - Acquisitions - Pro Forma Information (Details) Sheet http://www.dnb.com/role/AcquisitionsProFormaInformationDetails Acquisitions - Pro Forma Information (Details) Details 112 false false R113.htm 240964063 - Disclosure - Supplemental Financial Data - Other Non-Current Assets (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataOtherNonCurrentAssetsDetails Supplemental Financial Data - Other Non-Current Assets (Details) Details 113 false false R114.htm 240974064 - Disclosure - Supplemental Financial Data - Other Accrued and Current Liabilities (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataOtherAccruedandCurrentLiabilitiesDetails Supplemental Financial Data - Other Accrued and Current Liabilities (Details) Details 114 false false R115.htm 240984065 - Disclosure - Supplemental Financial Data - Other Non-Current Liabilities (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataOtherNonCurrentLiabilitiesDetails Supplemental Financial Data - Other Non-Current Liabilities (Details) Details 115 false false R116.htm 240994066 - Disclosure - Supplemental Financial Data - Narrative (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataNarrativeDetails Supplemental Financial Data - Narrative (Details) Details 116 false false R117.htm 241004067 - Disclosure - Supplemental Financial Data - Property, Plant and Equipment - Net (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataPropertyPlantandEquipmentNetDetails Supplemental Financial Data - Property, Plant and Equipment - Net (Details) Details 117 false false R118.htm 241014068 - Disclosure - Supplemental Financial Data - Schedule of Asset Acquisition (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataScheduleofAssetAcquisitionDetails Supplemental Financial Data - Schedule of Asset Acquisition (Details) Details 118 false false R119.htm 241024069 - Disclosure - Supplemental Financial Data - Computer Software and Goodwill (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataComputerSoftwareandGoodwillDetails Supplemental Financial Data - Computer Software and Goodwill (Details) Details 119 false false R120.htm 241034070 - Disclosure - Supplemental Financial Data - Other Intangibles (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataOtherIntangiblesDetails Supplemental Financial Data - Other Intangibles (Details) Details 120 false false R121.htm 241044071 - Disclosure - Supplemental Financial Data - Future Amortization of Intangibles (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataFutureAmortizationofIntangiblesDetails Supplemental Financial Data - Future Amortization of Intangibles (Details) Details 121 false false R122.htm 241054072 - Disclosure - Supplemental Financial Data - Allowance for Credit Risks (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataAllowanceforCreditRisksDetails Supplemental Financial Data - Allowance for Credit Risks (Details) Details 122 false false R123.htm 241064073 - Disclosure - Supplemental Financial Data - Deferred Tax Asset Valuation Allowance (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataDeferredTaxAssetValuationAllowanceDetails Supplemental Financial Data - Deferred Tax Asset Valuation Allowance (Details) Details 123 false false R124.htm 241074074 - Disclosure - Supplemental Financial Data - Other Income (Expense) - Net (Details) Sheet http://www.dnb.com/role/SupplementalFinancialDataOtherIncomeExpenseNetDetails Supplemental Financial Data - Other Income (Expense) - Net (Details) Details 124 false false R125.htm 241104075 - Disclosure - Segment Information - Narrative (Details) Sheet http://www.dnb.com/role/SegmentInformationNarrativeDetails Segment Information - Narrative (Details) Details 125 false false R126.htm 241114076 - Disclosure - Segment Information - Schedule of Revenue and Operating Income (Loss) by Segment (Details) Sheet http://www.dnb.com/role/SegmentInformationScheduleofRevenueandOperatingIncomeLossbySegmentDetails Segment Information - Schedule of Revenue and Operating Income (Loss) by Segment (Details) Details 126 false false R127.htm 241124077 - Disclosure - Segment Information - Assets and Goodwill (Details) Sheet http://www.dnb.com/role/SegmentInformationAssetsandGoodwillDetails Segment Information - Assets and Goodwill (Details) Details 127 false false R128.htm 241134078 - Disclosure - Segment Information - Supplemental Geographic and Customer Solution Set Information (Details) Sheet http://www.dnb.com/role/SegmentInformationSupplementalGeographicandCustomerSolutionSetInformationDetails Segment Information - Supplemental Geographic and Customer Solution Set Information (Details) Details 128 false false R129.htm 241154079 - Disclosure - Related Parties (Details) Sheet http://www.dnb.com/role/RelatedPartiesDetails Related Parties (Details) Details http://www.dnb.com/role/RelatedParties 129 false false R130.htm 241184080 - Disclosure - Contractual Obligations - Narrative (Details) Sheet http://www.dnb.com/role/ContractualObligationsNarrativeDetails Contractual Obligations - Narrative (Details) Details 130 false false R131.htm 241194081 - Disclosure - Contractual Obligations - Future Contractual Obligations (Details) Sheet http://www.dnb.com/role/ContractualObligationsFutureContractualObligationsDetails Contractual Obligations - Future Contractual Obligations (Details) Details 131 false false R132.htm 241224082 - Disclosure - Quarterly Financial Data (Unaudited) (Details) Sheet http://www.dnb.com/role/QuarterlyFinancialDataUnauditedDetails Quarterly Financial Data (Unaudited) (Details) Details http://www.dnb.com/role/QuarterlyFinancialDataUnauditedTables 132 false false R133.htm 241244083 - Disclosure - Subsequent Events (Details) Sheet http://www.dnb.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://www.dnb.com/role/SubsequentEvents 133 false false All Reports Book All Reports dnb-20211231.htm dnb-20211231.xsd dnb-20211231_cal.xml dnb-20211231_def.xml dnb-20211231_lab.xml dnb-20211231_pre.xml exhibit1023-restrictedstoc.htm exhibit1024restrictedstock.htm exhibit211subsidiariesofdu.htm exhibit231kpmg2021consent.htm exhibit311certificationofc.htm exhibit312certificationofc.htm exhibit321certificationofc.htm exhibit322certificationofc.htm dnb-20211231_g1.jpg dnb-20211231_g2.jpg http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true