3.20.1 html 134 367 1 false 52 0 false 8 false false R1.htm 0001001 - Document - Cover Page Sheet http://www.fbmsales.com/role/CoverPage Cover Page Cover 1 false false R2.htm 1001002 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (UNAUDITED) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMEUNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (UNAUDITED) Statements 2 false false R3.htm 1002003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (Parenthetical) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSSUNAUDITEDParenthetical CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (Parenthetical) Statements 3 false false R4.htm 1003004 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSUNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) Statements 4 false false R5.htm 1004005 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSUNAUDITEDParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) Statements 5 false false R6.htm 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Statements 6 false false R7.htm 1006007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) Sheet http://www.fbmsales.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) Statements 7 false false R8.htm 2101101 - Disclosure - Business and Basis of Presentation Sheet http://www.fbmsales.com/role/BusinessandBasisofPresentation Business and Basis of Presentation Notes 8 false false R9.htm 2103102 - Disclosure - Recently Adopted and Issued Accounting Standards Sheet http://www.fbmsales.com/role/RecentlyAdoptedandIssuedAccountingStandards Recently Adopted and Issued Accounting Standards Notes 9 false false R10.htm 2105103 - Disclosure - Discontinued Operations Sheet http://www.fbmsales.com/role/DiscontinuedOperations Discontinued Operations Notes 10 false false R11.htm 2107104 - Disclosure - Current Expected Credit Losses Sheet http://www.fbmsales.com/role/CurrentExpectedCreditLosses Current Expected Credit Losses Notes 11 false false R12.htm 2110105 - Disclosure - Right-of-Use ("ROU") Assets and Lease Liabilities Sheet http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilities Right-of-Use ("ROU") Assets and Lease Liabilities Notes 12 false false R13.htm 2115106 - Disclosure - Derivatives and Hedging Activities Sheet http://www.fbmsales.com/role/DerivativesandHedgingActivities Derivatives and Hedging Activities Notes 13 false false R14.htm 2117107 - Disclosure - Acquisitions Sheet http://www.fbmsales.com/role/Acquisitions Acquisitions Notes 14 false false R15.htm 2121108 - Disclosure - Goodwill and Intangible Assets Sheet http://www.fbmsales.com/role/GoodwillandIntangibleAssets Goodwill and Intangible Assets Notes 15 false false R16.htm 2126109 - Disclosure - Long-Term Debt Sheet http://www.fbmsales.com/role/LongTermDebt Long-Term Debt Notes 16 false false R17.htm 2130110 - Disclosure - Tax Receivable Agreement Sheet http://www.fbmsales.com/role/TaxReceivableAgreement Tax Receivable Agreement Notes 17 false false R18.htm 2132111 - Disclosure - ??Accumulated Other Comprehensive Loss Sheet http://www.fbmsales.com/role/AccumulatedOtherComprehensiveLoss Accumulated Other Comprehensive Loss Notes 18 false false R19.htm 2135112 - Disclosure - Contingencies Sheet http://www.fbmsales.com/role/Contingencies Contingencies Notes 19 false false R20.htm 2137113 - Disclosure - Fair Value Measurements Sheet http://www.fbmsales.com/role/FairValueMeasurements Fair Value Measurements Notes 20 false false R21.htm 2140114 - Disclosure - Income Taxes Sheet http://www.fbmsales.com/role/IncomeTaxes Income Taxes Notes 21 false false R22.htm 2142115 - Disclosure - Segments Sheet http://www.fbmsales.com/role/Segments Segments Notes 22 false false R23.htm 2147116 - Disclosure - Other Current Liabilities Sheet http://www.fbmsales.com/role/OtherCurrentLiabilities Other Current Liabilities Notes 23 false false R24.htm 2150117 - Disclosure - Earnings (Loss) Per Share Sheet http://www.fbmsales.com/role/EarningsLossPerShare Earnings (Loss) Per Share Notes 24 false false R25.htm 2153118 - Disclosure - Subsequent Events Sheet http://www.fbmsales.com/role/SubsequentEvents Subsequent Events Notes 25 false false R26.htm 2204201 - Disclosure - Recently Adopted and Issued Accounting Standards (Policies) Sheet http://www.fbmsales.com/role/RecentlyAdoptedandIssuedAccountingStandardsPolicies Recently Adopted and Issued Accounting Standards (Policies) Policies http://www.fbmsales.com/role/RecentlyAdoptedandIssuedAccountingStandards 26 false false R27.htm 2308301 - Disclosure - Current Expected Credit Losses (Tables) Sheet http://www.fbmsales.com/role/CurrentExpectedCreditLossesTables Current Expected Credit Losses (Tables) Tables http://www.fbmsales.com/role/CurrentExpectedCreditLosses 27 false false R28.htm 2311302 - Disclosure - Right-of-Use ("ROU") Assets and Lease Liabilities (Tables) Sheet http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesTables Right-of-Use ("ROU") Assets and Lease Liabilities (Tables) Tables http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilities 28 false false R29.htm 2318303 - Disclosure - Acquisitions (Tables) Sheet http://www.fbmsales.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.fbmsales.com/role/Acquisitions 29 false false R30.htm 2322304 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.fbmsales.com/role/GoodwillandIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.fbmsales.com/role/GoodwillandIntangibleAssets 30 false false R31.htm 2327305 - Disclosure - Long-Term Debt (Tables) Sheet http://www.fbmsales.com/role/LongTermDebtTables Long-Term Debt (Tables) Tables http://www.fbmsales.com/role/LongTermDebt 31 false false R32.htm 2333306 - Disclosure - ??Accumulated Other Comprehensive Loss (Tables) Sheet http://www.fbmsales.com/role/AccumulatedOtherComprehensiveLossTables Accumulated Other Comprehensive Loss (Tables) Tables http://www.fbmsales.com/role/AccumulatedOtherComprehensiveLoss 32 false false R33.htm 2338307 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.fbmsales.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.fbmsales.com/role/FairValueMeasurements 33 false false R34.htm 2343308 - Disclosure - Segments (Tables) Sheet http://www.fbmsales.com/role/SegmentsTables Segments (Tables) Tables http://www.fbmsales.com/role/Segments 34 false false R35.htm 2348309 - Disclosure - Other Current Liabilities (Tables) Sheet http://www.fbmsales.com/role/OtherCurrentLiabilitiesTables Other Current Liabilities (Tables) Tables http://www.fbmsales.com/role/OtherCurrentLiabilities 35 false false R36.htm 2351310 - Disclosure - Earnings (Loss) Per Share (Tables) Sheet http://www.fbmsales.com/role/EarningsLossPerShareTables Earnings (Loss) Per Share (Tables) Tables http://www.fbmsales.com/role/EarningsLossPerShare 36 false false R37.htm 2402401 - Disclosure - Business and Basis of Presentation (Details) Sheet http://www.fbmsales.com/role/BusinessandBasisofPresentationDetails Business and Basis of Presentation (Details) Details http://www.fbmsales.com/role/BusinessandBasisofPresentation 37 false false R38.htm 2406402 - Disclosure - Discontinued Operations (Details) Sheet http://www.fbmsales.com/role/DiscontinuedOperationsDetails Discontinued Operations (Details) Details http://www.fbmsales.com/role/DiscontinuedOperations 38 false false R39.htm 2409403 - Disclosure - Current Expected Credit Losses (Details) Sheet http://www.fbmsales.com/role/CurrentExpectedCreditLossesDetails Current Expected Credit Losses (Details) Details http://www.fbmsales.com/role/CurrentExpectedCreditLossesTables 39 false false R40.htm 2412404 - Disclosure - Right-of-Use ("ROU") Assets and Lease Liabilities - Operating and Finance Lease Liability (Details) Sheet http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesOperatingandFinanceLeaseLiabilityDetails Right-of-Use ("ROU") Assets and Lease Liabilities - Operating and Finance Lease Liability (Details) Details http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesTables 40 false false R41.htm 2413405 - Disclosure - Right-of-Use ("ROU") Assets and Lease Liabilities - Lease Cost (Details) Sheet http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesLeaseCostDetails Right-of-Use ("ROU") Assets and Lease Liabilities - Lease Cost (Details) Details http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesTables 41 false false R42.htm 2414406 - Disclosure - Right-of-Use ("ROU") Assets and Lease Liabilities - Schedule of Operating and Finance Lease Maturity (Details) Sheet http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesScheduleofOperatingandFinanceLeaseMaturityDetails Right-of-Use ("ROU") Assets and Lease Liabilities - Schedule of Operating and Finance Lease Maturity (Details) Details http://www.fbmsales.com/role/RightofUseROUAssetsandLeaseLiabilitiesTables 42 false false R43.htm 2416407 - Disclosure - Derivatives and Hedging Activities (Details) Sheet http://www.fbmsales.com/role/DerivativesandHedgingActivitiesDetails Derivatives and Hedging Activities (Details) Details http://www.fbmsales.com/role/DerivativesandHedgingActivities 43 false false R44.htm 2419408 - Disclosure - Acquisitions - Narrative (Details) Sheet http://www.fbmsales.com/role/AcquisitionsNarrativeDetails Acquisitions - Narrative (Details) Details 44 false false R45.htm 2420409 - Disclosure - Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) Sheet http://www.fbmsales.com/role/AcquisitionsScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) Details 45 false false R46.htm 2423410 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill (Details) Sheet http://www.fbmsales.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails Goodwill and Intangible Assets - Schedule of Goodwill (Details) Details 46 false false R47.htm 2424411 - Disclosure - Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) Sheet http://www.fbmsales.com/role/GoodwillandIntangibleAssetsScheduleofFiniteLivedIntangibleAssetsDetails Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) Details 47 false false R48.htm 2425412 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) Sheet http://www.fbmsales.com/role/GoodwillandIntangibleAssetsNarrativeDetails Goodwill and Intangible Assets - Narrative (Details) Details 48 false false R49.htm 2428413 - Disclosure - Long-Term Debt - Schedule of Notes Payable (Details) Notes http://www.fbmsales.com/role/LongTermDebtScheduleofNotesPayableDetails Long-Term Debt - Schedule of Notes Payable (Details) Details 49 false false R50.htm 2429414 - Disclosure - Long-Term Debt - Narrative (Details) Sheet http://www.fbmsales.com/role/LongTermDebtNarrativeDetails Long-Term Debt - Narrative (Details) Details 50 false false R51.htm 2431415 - Disclosure - Tax Receivable Agreement (Details) Sheet http://www.fbmsales.com/role/TaxReceivableAgreementDetails Tax Receivable Agreement (Details) Details http://www.fbmsales.com/role/TaxReceivableAgreement 51 false false R52.htm 2434416 - Disclosure - ??Accumulated Other Comprehensive Loss (Details) Sheet http://www.fbmsales.com/role/AccumulatedOtherComprehensiveLossDetails Accumulated Other Comprehensive Loss (Details) Details http://www.fbmsales.com/role/AccumulatedOtherComprehensiveLossTables 52 false false R53.htm 2436417 - Disclosure - Commitment and Contingencies (Details) Sheet http://www.fbmsales.com/role/CommitmentandContingenciesDetails Commitment and Contingencies (Details) Details 53 false false R54.htm 2439418 - Disclosure - Fair Value Measurements (Details) Sheet http://www.fbmsales.com/role/FairValueMeasurementsDetails Fair Value Measurements (Details) Details http://www.fbmsales.com/role/FairValueMeasurementsTables 54 false false R55.htm 2441419 - Disclosure - Income Taxes (Details) Sheet http://www.fbmsales.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.fbmsales.com/role/IncomeTaxes 55 false false R56.htm 2444420 - Disclosure - Segments - Narrative (Details) Sheet http://www.fbmsales.com/role/SegmentsNarrativeDetails Segments - Narrative (Details) Details 56 false false R57.htm 2445421 - Disclosure - Segments - Schedule of Geographic Areas (Details) Sheet http://www.fbmsales.com/role/SegmentsScheduleofGeographicAreasDetails Segments - Schedule of Geographic Areas (Details) Details 57 false false R58.htm 2446422 - Disclosure - Segments - Schedule of Net Sales From External Customers (Details) Sheet http://www.fbmsales.com/role/SegmentsScheduleofNetSalesFromExternalCustomersDetails Segments - Schedule of Net Sales From External Customers (Details) Details 58 false false R59.htm 2449423 - Disclosure - Other Current Liabilities (Details) Sheet http://www.fbmsales.com/role/OtherCurrentLiabilitiesDetails Other Current Liabilities (Details) Details http://www.fbmsales.com/role/OtherCurrentLiabilitiesTables 59 false false R60.htm 2452424 - Disclosure - Earnings (Loss) Per Share (Details) Sheet http://www.fbmsales.com/role/EarningsLossPerShareDetails Earnings (Loss) Per Share (Details) Details http://www.fbmsales.com/role/EarningsLossPerShareTables 60 false false All Reports Book All Reports fbm-20200331.htm fbm-03312020xex311.htm fbm-03312020xex312.htm fbm-03312020xex321.htm fbm-20200331.xsd fbm-20200331_cal.xml fbm-20200331_def.xml fbm-20200331_lab.xml fbm-20200331_pre.xml http://xbrl.sec.gov/country/2017-01-31 http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true