FRTA


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:GrossProfit
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementGeographical

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent
us-gaap:IncomeStatementLocation
us-gaap:AmortizationOfIntangibleAssets

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtNoncurrent

us-gaap:SecuredLongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsValuationAllowance

frta:AssetImpairmentsandExitCharges

frta:DepreciationDepletionandAmortizationExcludingAmortizationofDebtDiscountandDebtIssuanceCosts

frta:DepreciationDepletionandAmortizationExcludingDiscontinuedOperations
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
frta:EarningsBeforeInterestTaxesDepreciationandAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

frta:GainLossonDispositionofPropertyPlantEquipmentIncludingDiscontinuedOperations
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
frta:IncomeTaxEffectsPercentagePaidRelatedParty

frta:PaymentsOfTaxReceivableAgreementTRA

frta:PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AssetImpairmentCharges
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
us-gaap:ConcentrationRiskPercentage1

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:Depreciation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtWeightedAverageInterestRateOverTime
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:WriteOffOfDeferredDebtIssuanceCost

frta:AccruedRebatesCurrent

frta:AssetsExcludingDiscontinuedOperations
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
frta:BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
frta:BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
frta:BusinessCombinationTerminationFeePayableFromCompanyToTheParent
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

frta:DeferredTaxAssetsCapitalizedTransactionCosts

frta:DeferredTaxAssetsTaxReceivableAgreement

frta:FiniteLivedIntangibleAssetsNetExcludingExpectedAmortizationAfterYearFive

frta:LeaseLiability

frta:LeaseLiabilityPaymentsDueAfterYearFive

frta:LeaseLiabilityPaymentsDueNextTwelveMonths

frta:LeaseLiabilityPaymentsDueTotal

frta:LeaseLiabilityPaymentsDueYearFive

frta:LeaseLiabilityPaymentsDueYearFour

frta:LeaseLiabilityPaymentsDueYearThree

frta:LeaseLiabilityPaymentsDueYearTwo

frta:LeaseLiabilityUndiscountedExcessAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
frta:LiabilitiesCurrentTaxReceivableAgreementTRA
us-gaap:FairValueByMeasurementBasis

frta:LiabilitiesNoncurrentTaxReceivableAgreementTRA
us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty
frta:LiabilitiesTaxReceivableAgreementTRA
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
frta:LongTermDebtMaturityAfterYearFour
us-gaap:LongtermDebtType

frta:SocialSecurityTaxEmployerDeferralCARESActNoncurrent

frta:TaxReceivableAgreementTRALiabilityCurrent

us-gaap:AccountsReceivableGrossCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchaseAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchasedFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpense

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilitiesCurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilityNotionalAmount

us-gaap:DueToEmployeesNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentUnderlyingEquityInNetAssets

us-gaap:EquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LossContingencyAccrualCarryingValueNoncurrent
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:NotesPayableFairValueDisclosure
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:SeniorLongTermNotes
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:WorkersCompensationLiabilityNoncurrent

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
Liabilities
Derivative Liabilities
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CommonStockValue ███████▁▁▁▁▁▁▁▁▁▁▁▁0.0190.0190.0190.0190.0190.0190.0190.0180.0180.0180.0180.0180.0180.0180.0180.0180.0180.0180.018NANANA
us-gaap:CommonStockSharesIssued █▇▆▅▄▄▃▂▂▂▂▂▂▂▂▂▂▂▁66.92166.65665.98165.67365.21165.07764.74164.5464.29864.26364.20664.20264.22864.22764.23164.29479364.16555764.17423363.924124NANANA
us-gaap:CommonStockSharesAuthorized NANA190.0NA190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0190.0NANANA
us-gaap:CommonStockSharesOutstanding █▇▆▅▄▄▃▂▂▂▂▂▂▂▂▂▂▂▁66.92166.65665.98165.67365.21165.07764.74164.5464.29864.26364.20664.20264.22864.22764.23164.29479364.16555764.17423363.924124NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁69.51169.44NA68.71767.19164.804NA64.99864.46464.004NA64.26964.20963.838NA63.79963.79274363.789NA1888233.8251681888253.552797728NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁66.68766.24NA65.33665.09364.804NA64.2164.14264.004NA63.91963.89363.838NA63.79963.79274363.789NA1888233.8251681888253.552797728NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities frta:EmployeeStockOptionsandRestrictedStockNA0.193154NA0.2100771.0316850.233736NA2.0153995.4374033.322403NA3.0322013.0465690.232232NA1.3311651.092211NANANANANA
us-gaap:EarningsPerShareBasic ▇▅▆▆▆▂▃▆▄▁▂▄▄▂█▂▂▁▃▄▄0.540.280.340.440.42-0.22-0.120.350.05-0.39-0.270.090.11-0.310.68-0.18-0.18-0.35-0.160021864765607794.565170841187029e-061.9462044112428914e-05NA
us-gaap:EarningsPerShareDiluted ▇▅▆▆▆▂▃▆▄▁▂▄▄▂█▂▂▁▃▄▄0.520.270.330.420.4-0.22-0.120.340.05-0.39-0.270.090.11-0.310.67-0.18-0.18-0.35-0.160021864765607794.565170841187029e-061.9462044112428914e-05NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 Gross Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee frta:ConcretePipePrecastLLCCPPNANANA33.09436.032NANA38.2137.353NANANANANANANANANANANANANA
 Gross Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees█▁46.70137.255NANA40.42739.092NANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee frta:ConcretePipePrecastLLCCPPNANANA33.09436.032NANA38.2137.353NANANANANANANANANANANANANA
 Operating Margin us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees█▁46.70137.255NANA40.42739.092NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:ComprehensiveIncomeNetOfTax █▆▇▇▇▃▄▆▅▃▃▅▅▃█▄▄▃▁▆█▅37.00919.33525.38530.10229.552-20.446-6.4921.724.274-23.158-21.0946.9895.425-21.32743.19-10.935-12.379-22.009-53.1359.16339.406-3.297
us-gaap:CostOfGoodsAndServicesSold █▃▃▆▅▂▄▇▅▁▃▇▆▁▄▇▇▄373.228285.85293.808331.284320.607272.134296.55362.362324.405250.053280.4357.374340.774255.595304.731362.15361.089299.335NANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA-0.775-11.5470.116-0.051.3340.3740.00.00.00.0NANANANANANANANANANA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType frta:SeniorTermLoanCreditAgreement2016,us-gaap:SeniorNotesNANA-0.7-11.5660.166-0.1NA0.4NANANANANANANANANANANANANANA
us-gaap:GrossProfit ▇▅▅█▆▃▃▆▅▂▃▄▄▁▃▅▄▁▃▆▅▁119.57282.26486.079126.273105.57958.74266.599102.16485.81441.80558.75577.13675.31334.36556.43882.10775.59638.96760.359101.31383.09135.691
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▆▆▇▇▄▄▇▅▃▄▆▆▄▇▄▄▃▁▆▅▄48.1323.17513.61338.75134.57-13.988-10.43628.3273.835-32.336-20.2188.29614.237-23.59527.934-19.956-14.803-35.907-68.24812.5225.673-12.729
us-gaap:IncomeTaxExpenseBenefit █▇▄█▇▆▅▇▆▄▅▆▇▅▃▄▅▃▂▇▁▄12.0654.499-8.9979.9247.4550.078-2.765.90.9-7.297-3.2662.87.2-3.685-15.224-8.454-3.63-13.364-23.1068.154-26.173-10.567
us-gaap:IncomeTaxesPaidNet █▂▅▆▁▁▅▂▃▂12.3750.9037.7029.011-0.142-0.0997.2891.1432.7021.209NANANANANANANANANANANANA
us-gaap:InterestExpense ▂▂▂▂▂▂▂▃▃▃▃▃▂▁▁▁▂▁█▄▃▂19.07418.34619.38820.05519.70220.74521.2523.27225.78324.66525.34421.9417.74513.30813.20615.58217.07813.54251.16331.75624.83917.29
us-gaap:InterestPaidNet ▁█▁▂▄▅▅▆▆▅▆▆▄▃▃8.78824.6678.84211.19915.99617.13817.94820.30319.84818.98719.16419.60416.51714.09613.708NANANANANANANA
us-gaap:NetIncomeLoss ▇▆▆▇▇▄▄▆▅▃▃▅▅▃█▄▄▃▁▅█▄36.06518.67622.6128.82727.115-14.066-7.67622.432.954-25.039-16.9525.5036.994-19.9143.158-11.502-11.173-22.543-48.7278.36836.689-3.936
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted █▆▆▇▇▂▃▆▄▁▂▄▅▂36.06518.67622.60428.81127.093-14.066-7.67622.392.947-25.039-16.9525.4786.957-19.91NA-11.502-11.173-22.479NANANANA
us-gaap:OperatingExpenses ▆▁▆▇▆▆█▆█▄▆▃▃▅55.93843.33455.37458.21554.54954.73458.62654.92959.59851.04356.04649.12447.00352.517NANANANANANANANA
us-gaap:OperatingIncomeLoss █▆▅█▇▃▃▆▅▂▃▅▅▁63.63438.9330.70568.05851.034.0087.97347.23526.216-9.2382.70928.01228.31-18.152NANANANANANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax █▅▅▇▆▄▅▇▆▃▄▇▆▃▅▇▇▄▅▇▅▁492.8368.114379.887457.557426.186330.876363.149464.526410.219291.858339.155434.51416.087289.96361.169444.257436.685338.302354.111441.132381.723186.996
us-gaap:SellingGeneralAndAdministrativeExpense ▆▅▆▆▅▅▆▅▆▅▆▄▅▅▇▆██▇▇▆▁56.25755.04457.19757.0553.28354.2456.50555.23458.6451.39158.2648.49251.26351.86263.0759.36667.29765.30163.02362.35557.0633.661
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:Assets ▄▃▁▃▄▇▃▆▇▆▄▆▆▄▅▆██▅1766.8131717.7271655.8121718.7291771.4971912.621740.0581866.1461878.1641851.9171793.2521868.1021864.2821766.641811.2381846.6151937.3431921.0091824.786NANANA
us-gaap:Liabilities ▂▂▁▃▄▇▄▆▇▇▅▆▆▅▅▇█▇▅1511.4281502.6971462.0451549.0651636.1011809.4291619.0911742.1421779.3221758.3931685.031739.2291743.8191653.5491678.7471758.281837.4191809.6981691.869NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▄▃▁▃▄▇▃▆▇▆▄▆▆▄▅▆██▅1766.8131717.7271655.8121718.7291771.4971912.621740.0581866.1461878.1641851.9171793.2521868.1021864.2821766.641811.2381846.6151937.3431921.0091824.786NANANA
us-gaap:StockholdersEquity █▆▅▄▃▂▂▂▁▁▂▃▂▂▃▁▁▂▃255.385215.03193.767169.664135.396103.191120.967124.00498.84293.524108.222128.873120.463113.091132.49188.33599.924111.311132.917NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:AssetsCurrent ▆▄▁▃▄█▁▅▅▃▃▅▄▃▄▅▇▅▃622.623567.96486.543542.15580.07696.38498.995606.445597.737551.793544.089602.273586.901547.993578.525600.125652.874610.866532.603NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▂▂▃█▂▂▁▁▂▂▂▃▅▂▂▂▂34.17136.59125.67832.75852.506182.41134.843.85216.7918.17535.79330.34830.18253.355104.53441.13122.02427.5440.024NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▂▂▂▃█▂▂▁▁▂34.17136.59125.67832.75852.506182.41134.843.85216.7918.17535.793NANANA104.534NANANA40.024NANANA
us-gaap:ReceivablesNetCurrent █▅▃▆▆▃▂▇▅▂▁▆▅▁▁▅▄▄▂309.055263.862227.948276.818271.601228.631205.801286.345266.818206.283198.468280.831267.266196.313192.654266.676240.058242.478201.481NANANA
us-gaap:InventoryNet ▄▄▁▁▂▄▂▄▆▇▅▄▅▄▂▄▆█▅266.308256.455222.928219.336238.835259.273238.483256.645291.696305.534285.03265.609275.85268.659236.655264.292287.3321.709279.502NANANA
us-gaap:OtherAssetsCurrent ▁▁▁▁▂▄▃▅▆█▅▅▂▆▇▆▅▃▂3.1522.0472.0221.4564.79414.0248.8919.60322.43231.80117.50918.176.33523.08327.05922.4318.88511.2155.179NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 us-gaap:AmortizationOfIntangibleAssets us-gaap:IncomeStatementLocation us-gaap:SellingGeneralAndAdministrativeExpenses▄▄8.38.3NA10.310.310.3NA11.912.011.6NA13.113.213.1NA13.513.414.8NA12.210.5NA
us-gaap:Goodwill ████▇▇████▇▇▇▆▃▆█▇▁509.528509.299509.127508.46508.182507.681508.826508.588508.742508.473508.193507.002506.75505.063496.141504.964508.474507.036491.447NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▁▂▂▂▃▃▃▄▄▅▅▅▆▆▇▇██84.81893.113101.409111.682121.978132.252142.674154.558166.48178.45183.789196.987208.211220.267225.304243.603256.362272.109281.598NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▂▃▄▅▆▅█84.81893.113101.409111.682121.978132.252128.884154.558NANA155.934NANANA181.986NANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▂▁▂▃▅▆█54.00353.51854.37955.857.44458.76360.253NANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▁▂▂▂▁▂▂▁▁▅▆▆█▇▆▄▅▄1.8441.9054.9875.2155.392.1473.7013.9652.3292.38914.40718.08617.92722.75718.86615.99212.07212.90910.988NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:AccountsPayableCurrent █▇▄▅▃▃▁▄▄▃▂▅▅▃▂▄▃▆▄174.955161.332134.144143.279122.715125.321102.426138.247131.697118.379114.708145.112148.843127.906108.56133.899125.372152.761134.059NANANA
us-gaap:AccruedLiabilitiesCurrent █▇█▇▆▄▆▅▄▃▄▄▃▁▄▅▃115.647101.225115.693109.92797.43477.38488.83985.42271.7859.79870.23670.32166.41539.72972.78279.3259.293NA82.165NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▂▂▆█▄▄▇▄▄▃▆7.5817.3018.228.23210.55811.7699.5279.22110.9728.9489.1388.38410.263NA9.029NANANANANANANA
us-gaap:DebtCurrent █████████████████▁▁12.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5110.510.5NANANA
us-gaap:LiabilitiesCurrent █▆▅▆▄▃▂▄▃▁▁▅▅▂▃▂▂▃▃319.026290.701278.9282.682256.362240.129226.447260.857242.416215.092222.049270.928272.632225.986242.097234.621229.068247.24247.521NANANA
us-gaap:LongTermDebtCurrent ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄12.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.5112.51NANA10.5NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▁▁▄▆▇█7.8857.5167.4487.9798.4798.6058.784NANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▅▄▅▃▆▅▅▅▃▃▃▃▃▃█▇▁8.2427.2279.0464.88310.2059.2519.1959.73.9434.183.8594.343.5673.69115.69313.7130.183NA0.0NANANA
us-gaap:TaxesPayableCurrent ██▆█▅▂▁▅▃▂▅▅▃▂▄▆▃16.13416.25513.64216.48312.0096.775.35412.2287.8537.05811.48911.8639.2856.31610.29413.1978.838NA32.746NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:LongTermDebt ▁▂▁▂▄█▅▆▇▇▆▆▆▇▇▇913.209935.094900.021960.8091080.1921270.661098.3031168.5331223.0561227.1691188.6051189.8921191.1751192.4731193.7871195.055NANA1096.0471537.764NANA
us-gaap:LongTermDebtNoncurrent ▁▂▁▂▄█▅▆▇▇▆▆▆▇▇▇900.699922.584887.511948.2991067.6821258.151085.7931156.0231210.5461214.6591176.0951177.3821178.6651179.9631181.2771182.545NANA1085.547NANANA
us-gaap:SecuredLongTermDebt NANA492.043491.601NANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▁▁▄▅▆▅▆▇▇█▇█10.6888.4539.67125.45630.74534.89928.92937.32439.4343.06946.61543.01445.075NA67.481NANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▆▆█▇▄▂▂▃▂▁▃▂▂▆▅▅▄▄▃31.78831.78236.91835.36926.10521.33421.90622.39520.93818.31522.66720.6720.94630.55629.18727.99127.03927.48623.253NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▂▁▂▃▄▆█51.01750.6550.94351.62352.51853.41654.411NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA10.949NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA10.689NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA9.836NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA9.446NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA100.23NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:StockholdersEquity █▆▅▄▃▂▂▂▁▁▂▃▂▂▃▁▁▂▃255.385215.03193.767169.664135.396103.191120.967124.00498.84293.524108.222128.873120.463113.091132.49188.33599.924111.311132.917NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▆▅▄▃▁▂▂▁▁▂▃▂▂▃255.385215.03193.767169.664135.396103.191120.967124.00498.84293.524108.222128.873120.463113.091132.491NANANA132.917NANANA
us-gaap:CommonStockValue ███████▁▁▁▁▁▁▁▁▁▁▁▁0.0190.0190.0190.0190.0190.0190.0190.0180.0180.0180.0180.0180.0180.0180.0180.0180.0180.0180.018NANANA
us-gaap:AdditionalPaidInCapital █▇▇▇▆▅▅▄▃▃▃▂▂▂▁▁▁▁▁257.853254.507252.579253.861249.695247.042244.372240.92237.478236.434234.931234.487233.065231.12230.023229.057229.711228.719228.316NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▆▅▄▃▁▂▂▁▁▂▃▃▂▃▁▂▂▃2.866-33.199-51.875-74.485-103.312-130.427-116.361-108.685-131.115-134.069-115.987-99.034-104.536-111.532-92.452-135.61-124.108-112.935-90.392NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▇▆▄▃▁▆▅▆▅▃▆▅▆██▇██-5.353-6.297-6.956-9.731-11.006-13.443-7.063-8.249-7.539-8.859-10.74-6.598-8.084-6.515-5.098-5.13-5.697-4.491-5.025NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█2.0542.784NA2.332.6072.864NA2.1721.1321.529NA1.451.9841.154NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▃▇█▆▃▇▇▄▂▆▄▄▂▇▇▂▁▅▅▅▂15.008-16.96380.57122.38859.464-19.22581.06493.04416.633-43.95555.79118.063-3.317-43.34181.46786.911-48.261-77.78346.05337.23829.468-35.834
us-gaap:NetCashProvidedByUsedInInvestingActivities █████████████████▇▆█▁▇4.39-8.056-13.597-6.3125.814-4.278-8.554-9.199-1.767-22.775-15.58-14.813-16.451-4.208-15.11414.495-12.981-52.423-162.933-41.313-784.7-73.501
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂▁▁▄▂▂▂▃▂▂▂▂▂▂▃▃▃▂█▃-22.04335.765-74.742-135.974-195.144171.588-81.801-56.73-6.33938.689-33.683-3.248-3.256-3.264-3.14-83.24955.271117.368121.509-1.649784.05977.809
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▅▄▄▁█▄▅▄▄▄-2.4210.913-7.08-19.748-129.905147.611-9.05227.0618.616-27.6185.445NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:IncreaseDecreaseInInventories ▅█▅▂▂▆▃▁▃▆▆▃▅▇▂▁▅█▅▃▃▅9.68733.3933.092-19.72-20.89721.842-18.382-34.843-14.36620.120.294-10.6064.85330.772-20.055-31.24111.15338.3053.454-11.43-12.6965.756
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▇▄▂▃▄▅▄▂▅▄▆▄▄▄▃█▄▆▅▁▅-0.4095.89-1.192-6.98-3.375-1.0720.178-1.971-6.718-0.057-2.0591.91-2.659-1.435-3.241-3.6068.235-2.2143.7281.237-9.8221.461
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▃▇█▆▃▇▇▄▂▆▄▄▂▇▇▂▁▅▅▅▂15.008-16.96380.57122.38859.464-19.22581.06493.04416.633-43.95555.79118.063-3.317-43.34181.46786.911-48.261-77.78346.05337.23829.468-35.834
us-gaap:NetIncomeLoss ▇▆▆▇▇▄▄▆▅▃▃▅▅▃█▄▄▃▁▅█▄36.06518.67622.6128.82727.115-14.066-7.67622.432.954-25.039-16.9525.5036.994-19.9143.158-11.502-11.173-22.543-48.7278.36836.689-3.936
us-gaap:ShareBasedCompensation ▆▇▅▆▇▇█▆▄▄▅▄▆▄▃▄▄▁2.0542.7841.6882.332.6072.8643.0862.1721.1321.5291.6521.451.9841.1540.8581.4431.3950.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █████████████████▇▆█▁▇4.39-8.056-13.597-6.3125.814-4.278-8.554-9.199-1.767-22.775-15.58-14.813-16.451-4.208-15.11414.495-12.981-52.423-162.933-41.313-784.7-73.501
us-gaap:PaymentsToAcquireProductiveAssets █▁12.98911.048NA6.44.7764.278NA10.2711.10222.949NA13.8458.3569.273NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂▁▁▄▂▂▂▃▂▂▂▂▂▂▃▃▃▂█▃-22.04335.765-74.742-135.974-195.144171.588-81.801-56.73-6.33938.689-33.683-3.248-3.256-3.264-3.14-83.24955.271117.368121.509-1.649784.05977.809
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁3.1273.12762.701623.55513.2978.07170.63118.8553.1273.1283.1273.1283.1273.1283.1283.1273.1282.6251298.3450.00.02.191
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value19000.019000.019000.019000.019000.019000.019000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value66666565656564646464646464646464646463
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-05
Value1901901901901901901901901901901901901901901901900.001
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-10-06
Value666665656565646464646464646464646464631732180
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value696968676464646464646363636318882331888253
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value666665656464646463636363636318882331888253
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

frta:EmployeeStockOptionsandRestrictedStock


Antidilutive
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value193150.0210080.01031700.0233740.02015400.05437400.03322400.03032200.03046600.0232230.01331200.01092200.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.540.280.340.440.42-0.22-0.120.350.05-0.39-0.270.090.11-0.310.68-0.18-0.18-0.35-0.160024.5652e-061.9462e-05
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.520.270.330.420.4-0.22-0.120.340.05-0.39-0.270.090.11-0.310.67-0.18-0.18-0.35-0.160024.5652e-061.9462e-05
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3719253029-20.446-6.49214.274-23.158-21.0946.9895.425-21.32743-10.935-12.379-22.009-53.1359.16339-3.297
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.55.36.76.66.9-6.2-1.84.71.0-7.9-6.21.61.3-7.412.0-2.5-2.8-6.5-15.02.110.3-1.8

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value373285293331320272296362324250280357340255304362361299
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax75.777.777.372.475.282.281.778.079.185.782.782.281.988.184.481.582.788.5

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-775000.0-11547000.0116000.0-50000.01334000.0374000.00000
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.2-2.50.0-0.00.40.10.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-09-30
Value-700000.0-11566000.0166000.0-100000.0400000.0
Percentage of GainsLossesOnExtinguishmentOfDebt90.3100.2143.1200.0107.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.2-2.50.0-0.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:SeniorTermLoanCreditAgreement2016 us-gaap:SeniorNotes0.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1198286126105586610285415877753456827538601018335
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax24.322.322.727.624.817.818.322.020.914.317.317.818.111.915.618.517.311.517.023.021.819.1

us-gaap:GrossProfit us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

frta:ConcretePipePrecastLLCCPP


Gross
Period End2020-09-302020-06-302019-09-302019-06-30
Value9.047101211
Percentage of GrossProfit7.210.412.413.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.02.62.72.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:ConcretePipePrecastLLCCPP27.330.333.131.4

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Gross
Period End2021-06-302021-03-312020-06-302020-03-31
Value129.651010
Percentage of GrossProfit10.111.710.417.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.52.62.63.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees26.025.927.027.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4823133834-13.988-10.436283.835-32.336-20.2188.29614-23.59527-19.956-14.803-35.907-68.248125.673-12.729
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.86.33.68.58.1-4.2-2.96.10.9-11.1-6.01.93.4-8.17.7-4.5-3.4-10.6-19.32.81.5-6.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value124.499-8.9979.9247.4550.078-2.765.90.9-7.297-3.2662.87.2-3.685-15.224-8.454-3.63-13.364-23.1068.154-26.173-10.567
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.41.2-2.42.21.70.0-0.81.30.2-2.5-1.00.61.7-1.3-4.2-1.9-0.8-4.0-6.51.8-6.9-5.7

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value120.9037.7029.011-0.142-0.0997.2891.1432.7021.209
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.50.22.02.0-0.0-0.02.00.20.70.4

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value19181920192021232524252117131315171351312417
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.95.05.14.44.66.35.95.06.38.57.55.04.34.63.73.53.94.014.47.26.59.2

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8.788248.842111517172019181919161413
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.86.72.32.43.85.24.94.44.86.55.74.54.04.93.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3618222827-14.066-7.676222.954-25.039-16.9525.5036.994-19.9143-11.502-11.173-22.543-48.7278.36836-3.936
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.35.16.06.36.4-4.3-2.14.80.7-8.6-5.01.31.7-6.911.9-2.6-2.6-6.7-13.81.99.6-2.1

us-gaap:NetIncomeLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

frta:ConcretePipePrecastLLCCPP


Net
Period End2020-09-302020-06-302019-09-302019-06-30
Value4.5476.2097.9596.776
Percentage of NetIncomeLoss15.822.935.5229.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.01.51.71.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:ConcretePipePrecastLLCCPP13.717.220.818.1

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.1174.9086.2095.557
Percentage of NetIncomeLoss19.726.322.9-39.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.41.31.51.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees15.213.215.414.2

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value36182827-14.066222.954-25.0395.5036.994-19.91
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.35.16.36.4-4.34.80.7-8.61.31.7-6.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3618222827-14.066-7.676222.947-25.039-16.9525.4786.957-19.91-11.502-11.173-22.479
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.35.16.06.36.4-4.3-2.14.80.7-8.6-5.01.31.7-6.9-2.6-2.6-6.6

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5543555854545854595156494752
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.411.814.612.712.816.516.111.814.517.516.511.311.318.1

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value63383068514.0087.9734726-9.2382.7092828-18.152
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.910.68.114.912.01.22.210.26.4-3.20.86.46.8-6.3

us-gaap:OperatingIncomeLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

frta:ConcretePipePrecastLLCCPP


Operating
Period End2020-09-302020-06-302019-09-302019-06-30
Value4.6086.2598.0216.84
Percentage of OperatingIncomeLoss6.812.317.026.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.01.51.71.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:ConcretePipePrecastLLCCPP13.917.421.018.3

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.1814.9726.2595.62
Percentage of OperatingIncomeLoss11.312.812.3140.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.51.41.51.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees15.413.315.514.4

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value492368379457426330363464410291339434416289361444436338354441381186
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value258191224256235170208280241163189242222155204248221160176215192
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax52.552.159.256.155.351.457.560.458.956.156.055.953.653.756.755.950.747.449.948.850.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax52.552.159.256.155.351.457.560.458.956.156.055.953.653.756.755.950.747.449.948.850.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments frta:DrainagePipeProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, frta:WaterPipeProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value234176154200190160154183168128149191193134156195215177177225189
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax47.547.940.843.944.748.642.539.641.143.944.044.146.446.343.344.149.352.650.151.249.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax47.547.940.843.944.748.642.539.641.143.944.044.146.446.343.344.149.352.650.151.249.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments frta:WaterPipeProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

frta:ConcretePipePrecastLLCCPP


Revenue
Period End2020-09-302020-06-302019-09-302019-06-30
Value33363837
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.28.58.29.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.28.58.29.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:ConcretePipePrecastLLCCPP100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value46374039
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.510.19.511.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.510.19.511.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

country:CA


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value241819231613172616131925211420272013233930
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.05.05.03.84.14.75.74.04.55.85.85.24.95.56.24.84.16.78.88.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.05.05.05.03.84.14.75.74.04.55.85.85.24.95.56.24.84.16.78.88.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:MX


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.1652.9382.1912.3742.12.011.6642.3621.9432.0212.1362.8712.6112.1112.3474.0073.2393.1992.9143.1442.959
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.80.60.50.50.60.50.50.50.70.60.70.60.70.60.90.70.90.80.70.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.80.60.50.50.60.50.50.50.70.60.70.60.70.60.90.70.90.80.70.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:MX100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value465346358432407315344435391276317406391273338412412321327398347
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax94.494.294.494.495.795.394.893.895.594.893.593.594.294.493.892.994.594.992.590.491.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax94.494.294.494.495.795.394.893.895.594.893.593.594.294.493.892.994.594.992.590.491.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value56555757535456555851584851516359676563625733
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.415.015.112.512.516.415.611.914.317.617.211.212.317.917.513.415.419.317.814.114.918.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1766171716551718177119121740186618781851179318681864176618111846193719211824
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value424141
Percentage of Assets2.42.42.5
Percentage of Assets2.42.42.5
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value886848819
Percentage of Assets50.249.449.5
Percentage of Assets50.249.449.5
Percentage of Assets us-gaap:OperatingSegments frta:DrainagePipeProducts100.0100.0100.0

us-gaap:OperatingSegments, frta:WaterPipeProducts


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value837827795
Percentage of Assets47.448.148.0
Percentage of Assets47.448.148.0
Percentage of Assets us-gaap:OperatingSegments frta:WaterPipeProducts100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1511150214621549163618091619174217791758168517391743165316781758183718091691
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets85.587.588.390.192.494.693.093.494.794.994.093.193.593.692.795.294.894.292.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1766171716551718177119121740186618781851179318681864176618111846193719211824
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value25521519316913510312012498931081281201131328899111132
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.512.511.79.97.65.47.06.65.35.16.06.96.56.47.34.85.25.87.3

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value622567486542580696498606597551544602586547578600652610532
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.233.129.431.532.736.428.732.531.829.830.332.231.531.031.932.533.731.829.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value34362532521823443168.1753530305310441222740
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.11.61.93.09.52.02.30.90.42.01.61.63.05.82.21.11.42.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value34362532521823443168.1753510440
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.11.61.93.09.52.02.30.90.42.05.82.2

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value309263227276271228205286266206198280267196192266240242201
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.515.413.816.115.312.011.815.314.211.111.115.014.311.110.614.412.412.611.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value266256222219238259238256291305285265275268236264287321279
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.114.913.512.813.513.613.713.815.516.515.914.214.815.213.114.314.816.715.3

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3.1522.0472.0221.4564.794148.8919223117186.33523272218115.179
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.10.30.70.51.11.21.71.01.00.31.31.51.21.00.60.3

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets us-gaap:IncomeStatementLocation

us-gaap:AmortizationOfIntangibleAssets

us-gaap:SellingGeneralAndAdministrativeExpenses


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value8.38.31010101112111313131313141210
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-03-13
Value50950950950850850750850850850850850750650549650450850749117
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.829.630.729.628.726.529.227.327.127.528.327.127.228.627.427.326.226.426.90.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

frta:DrainagePipeProducts


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value191190190190189189190190190190189190190188179189188168
Percentage of Goodwill37.537.537.537.437.437.337.437.437.437.437.437.637.637.436.237.537.134.4
Percentage of Assets10.811.111.511.110.79.910.910.210.110.310.610.210.210.79.910.39.79.3
Percentage of Assets frta:DrainagePipeProducts0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

frta:WaterPipeProducts


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value318318318318318318318318318318318316316316316315319322
Percentage of Goodwill62.562.562.562.662.662.762.662.662.662.662.662.462.462.663.862.562.965.6
Percentage of Assets18.018.519.218.518.016.618.317.117.017.217.816.917.017.917.517.116.517.7
Percentage of Assets frta:WaterPipeProducts0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value8493101111121132142154166178183196208220225243256272281
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.85.46.16.56.96.98.28.38.99.610.210.511.212.512.413.213.214.215.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value8493101111121132128154155181
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.85.46.16.56.96.97.48.38.710.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value586470788593100109118123131141151160168181191209
Percentage of FiniteLivedIntangibleAssetsNet69.069.369.569.970.270.578.371.00.00.084.30.00.00.092.30.00.00.0
Percentage of Assets3.33.84.34.54.84.95.85.96.36.77.37.68.19.19.39.89.911.5
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.425.5135.6065.75.7935.8875.986.0746.1676.3540.0
Percentage of FiniteLivedIntangibleAssetsNet6.45.95.55.14.74.54.63.90.00.00.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.0
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value3.7364.3494.9625.6966.4537.1868.078.8019.57109.574109.1019.6684.5436.6047.1667.41
Percentage of FiniteLivedIntangibleAssetsNet4.44.74.95.15.35.46.35.70.00.06.10.00.00.02.50.00.00.0
Percentage of Assets0.20.30.30.30.40.40.50.50.50.60.50.60.50.50.30.40.40.4
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value0.3330.3530.3740.3930.4150.4370.4560.4830.5080.5350.5610.5920.6210.6520.6420.8530.7880.487
Percentage of FiniteLivedIntangibleAssetsNet0.40.40.40.40.30.30.40.30.00.00.40.00.00.00.40.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4.0094.5195.0295.696.3517.0127.6738.5819.489101112131415161820
Percentage of FiniteLivedIntangibleAssetsNet4.74.95.05.15.25.36.05.60.00.07.20.00.00.08.60.00.00.0
Percentage of Assets0.20.30.30.30.40.40.40.50.50.60.60.70.70.80.90.90.91.1
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value121314161718192022232425272829303234
Percentage of FiniteLivedIntangibleAssetsNet15.014.914.714.414.214.015.213.50.00.015.70.00.00.016.30.00.00.0
Percentage of Assets0.70.80.90.91.01.01.11.11.21.31.41.41.51.61.61.71.71.9
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value54535455575860
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.13.33.23.23.13.5

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.8441.9054.9875.2155.392.1473.7013.9652.3292.389141817221815121210
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.30.30.30.10.20.20.10.10.81.01.01.31.00.90.60.70.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value174161134143122125102138131118114145148127108133125152134
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.99.48.18.36.96.65.97.47.06.46.47.88.07.26.07.36.58.07.3

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1151011151099777888571597070663972795982
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.55.97.06.45.54.05.14.63.83.23.93.83.62.24.04.33.14.5

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7.5817.3018.228.23210119.5279.221108.9489.1388.384109.029
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.50.60.60.50.50.60.50.50.40.60.5

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value12121212121212121212121212121212121010
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.70.70.70.70.70.70.70.70.70.70.70.70.70.60.50.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value319290278282256240226260242215222270272225242234229247247
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.116.916.816.414.512.613.014.012.911.612.414.514.612.813.412.711.812.913.6

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1212121212121212121212121212121210
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.80.70.70.70.70.70.70.70.70.70.70.70.70.70.6

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7885000.07516000.07448000.07979000.08479000.08605000.08784000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.50.50.40.5

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value8.2427.2279.0464.883109.2519.1959.73.9434.183.8594.343.5673.69115130.1830.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.40.50.30.60.50.50.50.20.20.20.20.20.20.90.70.00.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value16161316126.775.354127.8537.05811119.2856.31610138.83832
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.81.00.70.40.30.70.40.40.60.60.50.40.60.70.51.8

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value91393590096010801270109811681223122711881189119111921193119510961537
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.754.454.455.961.066.463.162.665.166.366.363.763.967.565.964.760.10.0

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RevolvingCreditFacility, frta:Revolver2016


Long
Period End2021-06-302021-03-31
Value1737
Percentage of LongTermDebt1.94.0
Percentage of Assets1.02.2
Percentage of Assets us-gaap:RevolvingCreditFacility frta:Revolver20160.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value492492492491
Percentage of LongTermDebt54.052.754.751.2
Percentage of Assets27.928.729.728.6
Percentage of Assets frta:SeniorSecuredNotesDue2025 us-gaap:SeniorNotes0.00.00.00.0

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-10-25
Value40240540746910801091109811681185118711881189119111921193119510001050
Percentage of LongTermDebt44.143.445.348.8100.085.9100.0100.097.096.7100.0100.0100.0100.0100.0100.091.30.0
Percentage of Assets22.823.624.627.361.057.163.162.663.164.166.363.763.967.565.964.754.90.0
Percentage of Assets frta:SeniorTermLoanCreditAgreement2016 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value9009228879481067125810851156121012141176117711781179118111821085
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.053.753.655.260.365.862.461.964.565.665.663.063.266.865.264.059.5

Secured Long Term Debt

us-gaap:SecuredLongTermDebt

us-gaap:SecuredLongTermDebt


Secured
Period End2020-12-312020-09-30
Value492491
Percentage of SecuredLongTermDebt100.0100.0
Percentage of Assets29.728.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value108.4539.6712530342837394346434567
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.61.51.71.81.72.02.12.32.62.32.43.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value313136352621212220182220203029272727235.763
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.92.22.11.51.11.31.21.11.01.31.11.11.71.61.51.41.41.30.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value51505051525354
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.93.13.03.02.83.1

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value9836000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value9446000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value100
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets6.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-31
Value58
Percentage of OperatingLeaseLiability100.0
Percentage of Assets3.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value153
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets9.2

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value94
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets5.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value25521519316913510312012498931081281201131328899111132
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.512.511.79.97.65.47.06.65.35.16.06.96.56.47.34.85.25.87.3

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value255215193169135103120124989310812812011313213252
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.512.511.79.97.65.47.06.65.35.16.06.96.56.47.37.30.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value257254252253249247244240237236234234233231230228139
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest101.0118.4130.4149.6184.4239.4202.0194.3240.3252.8217.1182.0193.5204.4173.6171.8267.4
Percentage of Assets14.614.815.314.814.112.914.012.912.612.813.112.612.513.112.712.50.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-5.353-6.297-6.956-9.731-11.006-13.443-7.063-8.249-7.539-8.859-10.74-6.598-8.084-6.515-5.098-5.025-4.768
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.1-2.9-3.6-5.7-8.1-13.0-5.8-6.7-7.6-9.5-9.9-5.1-6.7-5.8-3.8-3.8-9.1
Percentage of Assets-0.3-0.4-0.4-0.6-0.6-0.7-0.4-0.4-0.4-0.5-0.6-0.4-0.4-0.4-0.3-0.30.0
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.0190.0190.0190.0190.0190.0190.0190.0180.0180.0180.0180.0180.0180.0180.0180.0180.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value2.866-33.199-51.875-74.485-103.312-130.427-116.361-108.685-131.115-134.069-115.987-99.034-104.536-111.532-92.452-90.392-82.786
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.1-15.4-26.8-43.9-76.3-126.4-96.2-87.6-132.7-143.4-107.2-76.8-86.8-98.6-69.8-68.0-158.2
Percentage of Assets0.2-1.9-3.1-4.3-5.8-6.8-6.7-5.8-7.0-7.2-6.5-5.3-5.6-6.3-5.1-5.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value19000.019000.019000.019000.019000.019000.019000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.018000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value257254252253249247244240237236234234233231230229229228228
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.614.815.314.814.112.914.012.912.612.813.112.612.513.112.712.411.911.912.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2866000.0-33199000.0-51875000.0-74485000.0-103310000.0-130430000.0-116360000.0-108680000.0-131120000.0-134070000.0-115990000.0-99034000.0-104540000.0-111530000.0-92452000.0-135610000.0-124110000.0-112940000.0-90392000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.2-1.9-3.1-4.3-5.8-6.8-6.7-5.8-7.0-7.2-6.5-5.3-5.6-6.3-5.1-7.3-6.4-5.9-5.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-5353000.0-6297000.0-6956000.0-9731000.0-11006000.0-13443000.0-7063000.0-8249000.0-7539000.0-8859000.0-10740000.0-6598000.0-8084000.0-6515000.0-5098000.0-5130000.0-5697000.0-4491000.0-5025000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.3-0.4-0.4-0.6-0.6-0.7-0.4-0.4-0.4-0.5-0.6-0.4-0.4-0.4-0.3-0.3-0.3-0.2-0.3

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2054000.02784000.02330000.02607000.02864000.02172000.01132000.01529000.01450000.01984000.01154000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2054000.02784000.02330000.02607000.02864000.02172000.01132000.01529000.01450000.01984000.01154000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value15-16.9638012259-19.225819316-43.9555518-3.317-43.3418186-48.261-77.783463729-35.834
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.0-4.621.226.714.0-5.822.320.04.1-15.116.54.2-0.8-14.922.619.6-11.1-23.013.08.47.7-19.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.39-8.056-13.597-6.3125.814-4.278-8.554-9.199-1.767-22.775-15.58-14.813-16.451-4.208-15.11414-12.981-52.423-162.933-41.313-784.7-73.501
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.9-2.2-3.6-1.41.4-1.3-2.4-2.0-0.4-7.8-4.6-3.4-4.0-1.5-4.23.3-3.0-15.5-46.0-9.4-205.6-39.3

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-22.04335-74.742-135.974-195.144171-81.801-56.73-6.33938-33.683-3.248-3.256-3.264-3.14-83.24955117121-1.64978477
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-4.59.7-19.7-29.7-45.851.9-22.5-12.2-1.513.3-9.9-0.7-0.8-1.1-0.9-18.712.734.734.3-0.4205.441.6

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2.4210-7.08-19.748-129.905147-9.052278.616-27.6185.445
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.53.0-1.9-4.3-30.544.6-2.55.82.1-9.51.6

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value9.687333.092-19.72-20.89721-18.382-34.843-14.3662020-10.6064.85330-20.055-31.24111383.454-11.43-12.6965.756
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-409000.05890000.0-1192000.0-6980000.0-3375000.0-1072000.0178000.0-1971000.0-6718000.0-57000.0-2059000.01910000.0-2659000.0-1435000.0-3241000.0-3606000.08235000.0-2214000.03728000.01237000.0-9822000.01461000.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value15-16.9638012259-19.225819316-43.9555518-3.317-43.3418186-48.261-77.783463729-35.834
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.0-4.621.226.714.0-5.822.320.04.1-15.116.54.2-0.8-14.922.619.6-11.1-23.013.08.47.7-19.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3618222827-14.066-7.676222.954-25.039-16.9525.5036.994-19.9143-11.502-11.173-22.543-48.7278.36836-3.936
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.35.16.06.36.4-4.3-2.14.80.7-8.6-5.01.31.7-6.911.9-2.6-2.6-6.7-13.81.99.6-2.1

us-gaap:NetIncomeLoss us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

frta:ConcretePipePrecastLLCCPP


Net
Period End2020-09-302020-06-302019-09-302019-06-30
Value4.5476.2097.9596.776
Percentage of NetIncomeLoss15.822.935.5229.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.01.51.71.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax frta:ConcretePipePrecastLLCCPP13.717.220.818.1

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value7.1174.9086.2095.557
Percentage of NetIncomeLoss19.726.322.9-39.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.41.31.51.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees15.213.215.414.2

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value36182827-14.066222.954-25.0395.5036.994-19.91
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.35.16.36.4-4.34.80.7-8.61.31.7-6.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2054000.02784000.01688000.02330000.02607000.02864000.03086000.02172000.01132000.01529000.01652000.01450000.01984000.01154000.0858000.01443000.01395000.00
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.39-8.056-13.597-6.3125.814-4.278-8.554-9.199-1.767-22.775-15.58-14.813-16.451-4.208-15.11414-12.981-52.423-162.933-41.313-784.7-73.501
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.9-2.2-3.6-1.41.4-1.3-2.4-2.0-0.4-7.8-4.6-3.4-4.0-1.5-4.23.3-3.0-15.5-46.0-9.4-205.6-39.3

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value12116.44.7764.278101122138.3569.273
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-22.04335-74.742-135.974-195.144171-81.801-56.73-6.33938-33.683-3.248-3.256-3.264-3.14-83.24955117121-1.64978477
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-4.59.7-19.7-29.7-45.851.9-22.5-12.2-1.513.3-9.9-0.7-0.8-1.1-0.9-18.712.734.734.3-0.4205.441.6

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.1273.12762623138.07170183.1273.1283.1273.1283.1273.1283.1283.1273.1282.62512980.00.02.191
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Repayments
Period End2020-07-16
Value492
Percentage of RepaymentsOfLongTermDebt0.0

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Repayments
Period End2020-07-16
Value492
Percentage of RepaymentsOfLongTermDebt0.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-31
Value6.396.59.1912.3111.6316.6718.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value9.6712846671001.952
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value87764038705.563
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.67513158.8183.75127
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

frta:AssetImpairmentsandExitCharges

frta:AssetImpairmentsandExitCharges


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0650.4090.0331.3890.2650.8242.1970.510.5820.2310.4452.170.2761.4450.2161.193110.4351.640.5550.0230.0
Percentage of AssetImpairmentsandExitCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

frta:DepreciationDepletionandAmortizationExcludingAmortizationofDebtDiscountandDebtIssuanceCosts

frta:DepreciationDepletionandAmortizationExcludingAmortizationofDebtDiscountandDebtIssuanceCosts


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-31
Value2020222222222424242426252627282928292813
Percentage of DepreciationDepletionandAmortizationExcludingAmortizationofDebtDiscountandDebtIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:DepreciationDepletionandAmortizationExcludingDiscontinuedOperations

frta:DepreciationDepletionandAmortizationExcludingDiscontinuedOperations


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value202022222222242424242625262728292829282825
Percentage of DepreciationDepletionandAmortizationExcludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:DepreciationDepletionandAmortizationExcludingDiscontinuedOperations us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.6670.6190.6020.5990.6130.3770.4530.3440.3390.3150.3140.2570.2070.2330.250.3190.1690.0820.2430.0820.116
Percentage of DepreciationDepletionandAmortizationExcludingDiscontinuedOperations3.23.02.72.72.71.71.91.41.41.31.21.00.80.80.91.10.60.30.90.30.5

frta:DepreciationDepletionandAmortizationExcludingDiscontinuedOperations us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value7.7487.5148.68.2758.38.2459.3569.3179.4569.2021010101010111012111010
Percentage of DepreciationDepletionandAmortizationExcludingDiscontinuedOperations37.736.738.737.037.036.638.538.538.837.740.740.339.836.838.740.138.141.239.935.340.1

us-gaap:OperatingSegments, frta:WaterPipeProducts


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value121213131313141414141515151717171717161814
Percentage of DepreciationDepletionandAmortizationExcludingDiscontinuedOperations59.160.358.660.360.261.759.660.059.861.058.158.759.462.360.458.861.358.559.364.459.4

frta:EarningsBeforeInterestTaxesDepreciationandAmortization us-gaap:ConsolidationItems

frta:EarningsBeforeInterestTaxesDepreciationandAmortization

us-gaap:CorporateNonSegment


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-20.24-20.871-19.94-30.606-20.453-19.667-20.024-17.147-19.962-17.086-18.339-14.931-14.589-10.94321-18.414-27.216-21.084-18.628-22.368-23.901
Percentage of EarningsBeforeInterestTaxesDepreciationandAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:EarningsBeforeInterestTaxesDepreciationandAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value585139645726296748253353482130474011115147
Percentage of EarningsBeforeInterestTaxesDepreciationandAmortization-290.0-248.0-197.1-211.7-280.7-132.5-149.8-392.8-245.5-146.7-184.8-356.8-331.8-193.4140.9-257.1-147.3-54.1-63.0-230.2-197.0

us-gaap:OperatingSegments, frta:WaterPipeProducts


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value4931354639222525248.7411517246.90916-4.1441717184332
Percentage of EarningsBeforeInterestTaxesDepreciationandAmortization-243.6-149.0-179.9-153.5-194.2-116.3-125.6-149.0-125.1-51.2-85.2-119.3-165.9-63.176.522.5-65.8-81.2-98.7-195.1-135.8

frta:GainLossonDispositionofPropertyPlantEquipmentIncludingDiscontinuedOperations

frta:GainLossonDispositionofPropertyPlantEquipmentIncludingDiscontinuedOperations


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.211111.311-0.596-1.317-0.036-0.494-0.518-1.0860.0531.819-0.1242.624-0.053-0.358-0.555-0.42-0.774-20.098-2.3861.2150.002
Percentage of GainLossonDispositionofPropertyPlantEquipmentIncludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:IncomeTaxEffectsPercentagePaidRelatedParty us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

frta:IncomeTaxEffectsPercentagePaidRelatedParty

frta:LoneStar, srt:AffiliatedEntity


Income
Period End2021-06-302021-03-312020-09-302016-10-06
Value085.084.1585.0
Percentage of IncomeTaxEffectsPercentagePaidRelatedParty0.0100.0100.0100.0

frta:PaymentsOfTaxReceivableAgreementTRA

frta:PaymentsOfTaxReceivableAgreementTRA


Payments
Period End2020-12-31
Value8.734
Percentage of PaymentsOfTaxReceivableAgreementTRA100.0

frta:PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid

frta:PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid


Paymentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value1312208.4384.5314.35106.595101118139.2518.188137.5381112127.757
Percentage of PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Paymentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value0.7562.1610.4820.1950.2230.1390.0070.0610.6951.7681.3990.7280.20.0780.3080.0680.1250.8480.00.624
Percentage of PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid5.617.42.42.34.93.20.10.96.614.87.75.52.21.02.30.91.17.00.08.0

frta:PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Paymentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value9.4958.3567.1694.52.3663.034.3463.3027.5197.9299.0599.3976.6412.8673.2254.6967.9436.5226.3514.329
Percentage of PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid70.267.235.353.352.269.740.150.171.966.249.671.271.835.024.062.369.653.548.955.8

us-gaap:OperatingSegments, frta:WaterPipeProducts


Paymentsto
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value3.2811.915123.7431.9421.1816.4893.2322.2482.2777.7973.082.415.2439.8922.7743.3514.816.6322.804
Percentage of PaymentstoAcquireProductiveAssetsandCapitalExpendituresIncurredButNotYetPaid24.215.462.344.442.927.159.949.021.519.042.723.326.164.073.736.829.339.551.136.1

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1234000.01228000.01307000.01562000.01859000.01871000.01940000.02009000.02014000.01999000.02044000.02049000.02033000.02017000.02062000.02067000.02018000.01976000.01851000.02633000.01925000.01835000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits

us-gaap:AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits


Amount
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-6000.0-16000.0-22000.00-40000.0-7000.0025000.037000.0000-64000.0
Percentage of AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits100.0100.0100.00.0100.0100.00.0100.0100.00.00.00.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-09-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value0.00.382-0.1260.1280.020.9360.00.07.50.00.07.5
Percentage of AssetImpairmentCharges0.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

frta:QuikreteHoldingsIncAndJordanMergerSubInc


Business
Period End2021-06-30
Value1.9
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments

us-gaap:ConcentrationRiskPercentage1

frta:CustomerA, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk, frta:WaterPipeProducts


Concentration
Period End2021-03-312020-03-312019-03-31
Value17.00.180.18
Percentage of ConcentrationRiskPercentage1100.0100.0100.0

frta:CustomerA, us-gaap:RevenueFromContractWithCustomer, us-gaap:CustomerConcentrationRisk, frta:WaterPipeProducts


Concentration
Period End2021-03-312020-03-312019-03-31
Value19.00.180.14
Percentage of ConcentrationRiskPercentage1111.8100.077.8

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DeferredIncomeTaxesAndTaxCredits


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2235000.0-1218000.0-15785000.0-5289000.0-4154000.05970000.0-8395000.0-2106000.0-3639000.0-5927000.04019000.0-2065000.0-14078000.0-8644000.0-9175000.0-4209000.0-7598000.0-4514000.0-15773000.0-13470000.0-27187000.0-11189000.0
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-03-13
Value1212111212121212121213121214141515155416144.4
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:InterestRateSwap, us-gaap:Nondesignated, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value61000.0143000.064000.027000.0-174000.0-746000.0-509000.0-868000.0-2932000.0-2092000.0-2883000.071000.0871000.03349000.03216000.0709000.0-708000.02034000.0000
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value225000.0167000.0689000.0150000.0-39000.0-474000.0239000.0-54000.089000.0423000.0-1083000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.01.55.5393.02.91.64.5395.00.01.54.2663.8755.00.04.7173.753.02.255.4933.33.01.5
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

frta:ConcretePipePrecastLLCCPP


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value3.01.55.5393.02.91.64.5395.00.01.53.8755.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:ForeignCurrencyTransactionGainLossUnrealized


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value128000.0-82000.0-50000.0-49000.0123000.0-335000.0-10000.0-128000.0-167000.0260000.0169000.0163000.08000.0187000.0-699000.0380000.0-1074000.02008000.02782000.0
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value229000.0172000.0667000.0278000.0501000.0-1145000.0238000.0-154000.0269000.0280000.01191000.0252000.0-259000.0917000.0-4465000.02480000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

frta:DrainagePipeProducts


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value229000.0172000.0667000.0278000.0501000.0-1145000.0238000.0-154000.0269000.0280000.0-751000.0252000.0-259000.0917000.02775000.0-1593000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-63.1100.0100.0100.0-62.2-64.2

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.572.5913.0712.2953.1262.7991.5073.993.4021.5672.4172.2243.6721.8492.9112.9363.3423.1712.9334.1463.5651.303
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

frta:ConcretePipePrecastLLCCPP


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value3.5892.6093.0892.3133.1462.8161.5254.0083.421.5852.2423.69
Percentage of IncomeLossFromEquityMethodInvestments100.5100.7100.6100.8100.6100.6101.2100.5100.5101.1100.8100.5

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:StatementBusinessSegments

frta:DrainagePipeProducts


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.62.63.1000000000000012.33.12.81.54.03.41.67.32.23.71.83.02.93.33.22.94.13.6
Percentage of IncomeLossFromEquityMethodInvestments100.8100.3100.9100.299.2100.099.5100.399.9102.1302.098.9100.897.3103.198.898.7100.998.998.9101.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2611-5.371311611-34.5842425-12.447-29.59-0.42233-7.98-22.09223-23.4392.408-35.5099.6952.591-4.432
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.0131.05-3.312-3.915-9.0076.5720.782-1.937-2.2192.86-1.74711-16.131-2.738.4817.3326.8361.354
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6218-49.7825.0434223-80.74420598.145-81.25411720.003-68.143142742-78.443142819
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value2824000.03200000.0143000.03381000.02098000.00788000.0322000.00350000.0316000.000000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.00.00.00.0

us-gaap:LongTermDebtWeightedAverageInterestRateOverTime us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtWeightedAverageInterestRateOverTime

us-gaap:RevolvingCreditFacility, frta:Revolver2016, us-gaap:LineOfCredit


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.752.7501.980.01982.0603.68250.0375
Percentage of LongTermDebtWeightedAverageInterestRateOverTime100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:LongTermDebtWeightedAverageInterestRateOverTime us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value4.04.0-0.14.00.040.0475.1460.0520.0550.0550.0510.0490.0470.0420.047
Percentage of LongTermDebtWeightedAverageInterestRateOverTime145.5145.50.0202.0202.02.30.01.4146.70.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value944000.0659000.03136000.01275000.02437000.0-5699000.01186000.0-710000.01320000.01508000.0-4142000.01486000.0-1569000.0-1557000.0-523000.02762000.0206000.01030000.0-5876000.0621000.02935000.01848000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value944000.0659000.01275000.02437000.0-5699000.0-710000.01320000.01508000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value361000.000681000.0000-373000.00000
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.00.00.0100.00.00.00.0100.00.00.00.00.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-431000.0-704000.0-1347000.0-1753000.0-982000.0-1106000.0-1508000.01107000.0-532000.0-387000.0-6000.0394000.0-14000.0-457000.01494000.0-1119000.0-113000.0-458000.0-967000.09000.0-54000.00
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.384121.8560.224-1.0010.330.0760.815-0.3760.579-1.6081.5384.5360.792.0532.0082.012.0075.0131.9462.1161.226
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-30
Value0.1179.5650.00.00.00.09.3983.742
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.00.00.00.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.0400.00.00.01800.00.012420.00.00.00.00.00.060134267252680
Percentage of ProceedsFromLinesOfCredit0.0100.00.00.00.0100.00.00.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-511000.0-2576000.0-3339000.0-718000.0-113000.0-341000.0-201000.0-157000.0-212000.0-183000.0-149000.0-120000.0-129000.0-136000.0-12000.0-122000.0-103000.0-7000.0-6464000.0000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value172.9924.9680.088100.00.8341.0719.3350.1743.5550.04.8740.00.00.0
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-31
Value1595000.01468000.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value486000.0284000.0-437000.086000.0212000.0-132000.0-124000.0705000.0-681000.0487000.0681000.0-1589000.0298000.0-614000.0-5236000.0891000.0-279000.01677000.02730000.0-1595000.0277000.083000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty

frta:ConcretePipePrecastLLCCPP, srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value100000.0300000.0200000.0300000.0400000.0500000.0100000.0270000.020000.010000.0060000.030000.010000.0
Percentage of RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

frta:ConcretePipePrecastLLCCPP, srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0100000.0200000.0200000.0500000.0100000.0300000.020000.050000.0130000.0100000.0080000.020000.0
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.00.0390.00.00.00.00.080199141930.0486.566
Percentage of RepaymentsOfLinesOfCredit0.00.00.0100.00.00.00.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1292000.0-856000.01836000.046000.0-194000.01270000.088000.026000.0-28000.039000.057000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1292000.0-856000.01836000.046000.0-194000.01270000.088000.026000.0-28000.039000.057000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value61000.0143000.064000.027000.0-175000.0-746000.0-509000.0-868000.0-2932000.0-2092000.0
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WriteOffOfDeferredDebtIssuanceCost us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:WriteOffOfDeferredDebtIssuanceCost

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Write
Period End2020-12-312020-09-30
Value1.011
Percentage of WriteOffOfDeferredDebtIssuanceCost100.0100.0

frta:AccruedRebatesCurrent

frta:AccruedRebatesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value119.8953.5428.428
Percentage of AccruedRebatesCurrent100.0100.0100.0100.0

frta:AssetsExcludingDiscontinuedOperations

frta:AssetsExcludingDiscontinuedOperations


Assets
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-09-302016-06-30
Value16551718177119121740186618781851179318681864176618111846193719131872
Percentage of AssetsExcludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:AssetsExcludingDiscontinuedOperations us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assets
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-09-302016-06-30
Value414568206586144467062489514166495625
Percentage of AssetsExcludingDiscontinuedOperations2.52.63.910.83.33.32.42.53.93.32.65.47.83.62.53.01.4

frta:AssetsExcludingDiscontinuedOperations us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, frta:DrainagePipeProducts


Assets
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-09-302016-06-30
Value819830837825819890910870800846835733744809807753724
Percentage of AssetsExcludingDiscontinuedOperations49.548.347.343.247.147.748.547.044.645.344.841.541.143.841.739.438.7

us-gaap:OperatingSegments, frta:WaterPipeProducts


Assets
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-09-302016-06-30
Value795842865880862914923935922959980937925970108111031122
Percentage of AssetsExcludingDiscontinuedOperations48.049.048.846.049.649.049.250.551.451.452.653.151.152.655.857.759.9

frta:BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization us-gaap:BusinessAcquisition

frta:BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization

frta:QuikreteHoldingsIncAndJordanMergerSubInc


Business
Period End2021-02-19
Value80
Percentage of BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization100.0

frta:BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

frta:QuikreteHoldingsIncAndJordanMergerSubInc, us-gaap:SubsequentEvent


Business
Period End2021-02-19
Value80
Percentage of BusinessCombinationMinimumEarningsBeforeIncomeTaxesDepreciationAndAmortization100.0

frta:BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany us-gaap:BusinessAcquisition

frta:BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany

frta:QuikreteHoldingsIncAndJordanMergerSubInc


Business
Period End2021-02-19
Value85
Percentage of BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany100.0

frta:BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

frta:QuikreteHoldingsIncAndJordanMergerSubInc, us-gaap:SubsequentEvent


Business
Period End2021-02-19
Value85
Percentage of BusinessCombinationReversedTerminationFeePayableFromParentToTheCompany100.0

frta:BusinessCombinationTerminationFeePayableFromCompanyToTheParent us-gaap:BusinessAcquisition

frta:BusinessCombinationTerminationFeePayableFromCompanyToTheParent

frta:QuikreteHoldingsIncAndJordanMergerSubInc


Business
Period End2021-02-19
Value50
Percentage of BusinessCombinationTerminationFeePayableFromCompanyToTheParent100.0

frta:BusinessCombinationTerminationFeePayableFromCompanyToTheParent us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

frta:QuikreteHoldingsIncAndJordanMergerSubInc, us-gaap:SubsequentEvent


Business
Period End2021-02-19
Value50
Percentage of BusinessCombinationTerminationFeePayableFromCompanyToTheParent100.0

frta:DeferredTaxAssetsCapitalizedTransactionCosts

frta:DeferredTaxAssetsCapitalizedTransactionCosts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3513000.03599000.03407000.03292000.05018000.02271000.0
Percentage of DeferredTaxAssetsCapitalizedTransactionCosts100.0100.0100.0100.0100.0100.0

frta:DeferredTaxAssetsTaxReceivableAgreement

frta:DeferredTaxAssetsTaxReceivableAgreement


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.6181.6551.6451.22180.0
Percentage of DeferredTaxAssetsTaxReceivableAgreement100.0100.0100.0100.0100.00.0

frta:FiniteLivedIntangibleAssetsNetExcludingExpectedAmortizationAfterYearFive

frta:FiniteLivedIntangibleAssetsNetExcludingExpectedAmortizationAfterYearFive


Finite
Period End2020-12-31
Value97
Percentage of FiniteLivedIntangibleAssetsNetExcludingExpectedAmortizationAfterYearFive100.0

frta:LeaseLiability

frta:LeaseLiability


Lease
Period End2020-12-31
Value217
Percentage of LeaseLiability100.0

frta:LeaseLiabilityPaymentsDueAfterYearFive

frta:LeaseLiabilityPaymentsDueAfterYearFive


Lease
Period End2020-12-31
Value735
Percentage of LeaseLiabilityPaymentsDueAfterYearFive100.0

frta:LeaseLiabilityPaymentsDueNextTwelveMonths

frta:LeaseLiabilityPaymentsDueNextTwelveMonths


Lease
Period End2020-12-31
Value29
Percentage of LeaseLiabilityPaymentsDueNextTwelveMonths100.0

frta:LeaseLiabilityPaymentsDueTotal

frta:LeaseLiabilityPaymentsDueTotal


Lease
Period End2020-12-31
Value880
Percentage of LeaseLiabilityPaymentsDueTotal100.0

frta:LeaseLiabilityPaymentsDueYearFive

frta:LeaseLiabilityPaymentsDueYearFive


Lease
Period End2020-12-31
Value28
Percentage of LeaseLiabilityPaymentsDueYearFive100.0

frta:LeaseLiabilityPaymentsDueYearFour

frta:LeaseLiabilityPaymentsDueYearFour


Lease
Period End2020-12-31
Value28
Percentage of LeaseLiabilityPaymentsDueYearFour100.0

frta:LeaseLiabilityPaymentsDueYearThree

frta:LeaseLiabilityPaymentsDueYearThree


Lease
Period End2020-12-31
Value29
Percentage of LeaseLiabilityPaymentsDueYearThree100.0

frta:LeaseLiabilityPaymentsDueYearTwo

frta:LeaseLiabilityPaymentsDueYearTwo


Lease
Period End2020-12-31
Value29
Percentage of LeaseLiabilityPaymentsDueYearTwo100.0

frta:LeaseLiabilityUndiscountedExcessAmount

frta:LeaseLiabilityUndiscountedExcessAmount


Lease
Period End2020-12-31
Value662
Percentage of LeaseLiabilityUndiscountedExcessAmount100.0

frta:LiabilitiesCurrentTaxReceivableAgreementTRA us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

frta:LiabilitiesCurrentTaxReceivableAgreementTRA

us-gaap:FairValueInputsLevel3, us-gaap:EstimateOfFairValueFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value424140464948475554528278767775118135125
Percentage of LiabilitiesCurrentTaxReceivableAgreementTRA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:LiabilitiesCurrentTaxReceivableAgreementTRA us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6464647277777788888888117117117117163160160
Percentage of LiabilitiesCurrentTaxReceivableAgreementTRA152.1155.2158.3158.5156.6159.5162.5160.6163.8167.5107.1150.3153.6151.6155.0137.9118.8128.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value424140464948475554528278767775118135125
Percentage of LiabilitiesCurrentTaxReceivableAgreementTRA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:LiabilitiesNoncurrentTaxReceivableAgreementTRA

frta:LiabilitiesNoncurrentTaxReceivableAgreementTRA


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value555555646464647373737382828282159156156156
Percentage of LiabilitiesNoncurrentTaxReceivableAgreementTRA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:LiabilitiesTaxReceivableAgreementTRA us-gaap:CounterpartyName, us-gaap:RelatedPartyTransactionsByRelatedParty

frta:LiabilitiesTaxReceivableAgreementTRA

frta:LoneStar, srt:AffiliatedEntity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-10-25
Value6464647377777788888888117117117160
Percentage of LiabilitiesTaxReceivableAgreementTRA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

frta:LongTermDebtMaturityAfterYearFour us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:LongTermDebtMaturityAfterYearFour

frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes


Long
Period End2020-09-30
Value500
Percentage of LongTermDebtMaturityAfterYearFour100.0

frta:LongTermDebtMaturityAfterYearFour us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2020-09-30
Value500
Percentage of LongTermDebtMaturityAfterYearFour100.0

frta:SocialSecurityTaxEmployerDeferralCARESActNoncurrent

frta:SocialSecurityTaxEmployerDeferralCARESActNoncurrent


Social
Period End2020-12-31
Value5521000.0
Percentage of SocialSecurityTaxEmployerDeferralCARESActNoncurrent100.0

frta:TaxReceivableAgreementTRALiabilityCurrent

frta:TaxReceivableAgreementTRALiabilityCurrent


Tax
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value8.3338.3338.3338.73413131315151515343434344.0
Percentage of TaxReceivableAgreementTRALiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value310265229278273230207288268208200282270199196270242202
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

frta:AccountBilledRetainage


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value2.692.8174.0224.3283.6443.7113.0932.8562.3512.5352.0651.6981.3711.5931.0911.4161.5711.959
Percentage of AccountsReceivableGrossCurrent0.91.11.81.61.31.61.51.00.91.21.00.60.50.80.60.50.61.0

frta:OtherReceivables


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1534292532282623139.4429.54510127.5545.4534.2756.26322
Percentage of AccountsReceivableGrossCurrent5.013.012.79.011.912.312.58.25.24.54.83.64.43.82.81.62.611.1

us-gaap:TradeAccountsReceivable


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value292227195249237198178262252196188270257190190264234178
Percentage of AccountsReceivableGrossCurrent94.285.985.689.586.886.186.090.994.094.394.295.895.195.496.797.996.888.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent


Accrued
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value63000.063000.083000.0731000.0718000.0718000.0618000.0398000.0570000.0570000.0446000.0446000.0446000.0685000.0671000.0775000.0
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1600000.01600000.01600000.01600000.01700000.01800000.0
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AccruedMarketingCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value128.63411148.3825.7249.8954.092.8231.1393.5428.8757.624.4468.428108.8397.509
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1097000.02068000.02141000.04033000.0898000.03283000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1738000.01381000.01097000.01847000.01793000.01823000.02068000.02581000.01877000.02559000.02141000.01497000.03676000.03382000.04033000.03351000.02397000.0898000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

frta:QuikreteHoldingsIncAndJordanMergerSubInc


Business
Period End2021-03-31
Value3000000.0
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-03-312019-06-302019-03-31
Value928951129512551261
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

frta:Revolver2016


Debt
Period End2021-06-302021-03-312020-03-312019-06-302019-03-31
Value20401803942
Percentage of DebtInstrumentCarryingAmount2.24.213.93.13.3

frta:SeniorTermLoanCreditAgreement2016


Debt
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312017-12-312017-09-30
Value40841111151216121912351238
Percentage of DebtInstrumentCarryingAmount44.043.386.196.996.70.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value408411414477
Percentage of DebtInstrumentCarryingAmount44.043.30.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-30
Value914977
Percentage of DebtInstrumentCarryingAmount0.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:ConsolidatedEntities, us-gaap:Ownership, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFaceAmount

srt:Subsidiaries, frta:ForterraFinanceLLCandFRTAFinanceCorp., frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-16
Value500
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2020-07-16
Value500
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentRepurchaseAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRepurchaseAmount

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value695635154.9
Percentage of DebtInstrumentRepurchaseAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentRepurchasedFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRepurchasedFaceAmount

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value696636155.0
Percentage of DebtInstrumentRepurchasedFaceAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1425344150
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RevolvingCreditFacility, frta:Revolver2016


Debt
Period End2021-06-302021-03-31
Value2.6852.853
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value7.0887.5327.9578.3990.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.00.053.80.00.0

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value5.636.2616.8898.61121232528303234363739414346
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet0.00.046.50.00.00.099.80.00.00.099.90.00.00.0100.00.092.2

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount

us-gaap:RevolvingCreditFacility, frta:Revolver2016, us-gaap:LineOfCredit


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value301198235250
Percentage of DebtInstrumentUnusedBorrowingCapacityAmount100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2020-12-31
Value5110000.0
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Deferred
Period End2020-07-16
Value8800000.0
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value96105861061717.515
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value889055477433
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.676.8916.4245.833107.275
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3.9092.9643.2434.581.87411
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3609000.04687000.03890000.03871000.0484000.0523000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpense

us-gaap:DeferredTaxAssetsTaxDeferredExpense


Deferred
Period End2020-12-312019-12-312018-12-31
Value160000.06566000.02780000.0
Percentage of DeferredTaxAssetsTaxDeferredExpense100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value8034000.04656000.04347000.04316000.06560000.07367000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value5355270.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7419000.04112000.03093000.03326000.03498000.03174000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value13202737670.194
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value232511
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312017-12-312016-12-312015-12-31
Value5663000.06812000.002144000.01240000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.00.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value53535058876.081
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiability


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value367000.0429000.0572000.0636000.0663000.0488000.0000000006286000.07028000.03467000.0372000.0
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiability us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value367000.0429000.0572000.0636000.0663000.0488000.000000000000
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities

us-gaap:DerivativeLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value367000.0429000.0572000.0636000.0663000.0488000.0000000006286000.07028000.03467000.0372000.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302016-12-31
Value367000.0429000.0572000.0636000.0663000.0488000.06286000.07028000.03467000.0372000.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302016-12-31
Value367000.0429000.0572000.0636000.0663000.0488000.06286000.07028000.03467000.0372000.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2020-12-312020-09-302020-06-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value333000.0332000.0331000.0000006286000.07028000.03467000.00
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.00.00.00.00.00.0100.0100.0100.00.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilityNotionalAmount

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4004004004004004000.00.00.00.00.00.00.00.00.00.00.0
Percentage of DerivativeLiabilityNotionalAmount100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DueToEmployeesNoncurrent

us-gaap:DueToEmployeesNoncurrent


Due
Period End2020-12-312019-12-31
Value3322000.02945000.0
Percentage of DueToEmployeesNoncurrent100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value484049423324322827203124231926262529
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

frta:RestrictedStockandRestrictedStockUnitsRSUs


Employee
Period End2020-12-31
Value6000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2020-12-31
Value1000000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation

us-gaap:EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation


Environmental
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1535000.0872000.01001000.01162000.0901000.01301000.0
Percentage of EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

frta:ConcretePipePrecastLLCCPP


Equity
Period End2020-12-312018-09-302017-12-312012-07-20
Value50.00.50.50.5
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentUnderlyingEquityInNetAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments

us-gaap:EquityMethodInvestmentUnderlyingEquityInNetAssets

frta:ConcretePipePrecastLLCCPP, frta:DrainagePipeProducts


Equity
Period End2021-06-302021-03-312020-12-312020-09-30
Value12121313
Percentage of EquityMethodInvestmentUnderlyingEquityInNetAssets100.0100.0100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value49494850515150535450505354565455565655
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementBusinessSegments

frta:ConcretePipePrecastLLCCPP, frta:DrainagePipeProducts


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value4949485051515053545053
Percentage of EquityMethodInvestments99.9100.0100.0100.1100.199.999.9100.1100.0100.1100.0

us-gaap:EquityMethodInvestments us-gaap:StatementBusinessSegments

frta:DrainagePipeProducts


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value49494850515150535450505354565455565556
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-31
Value159
Percentage of FinanceLeaseLiability100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value17161717161616
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value142142142141138137137
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value726
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value634
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value18
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value18
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value18
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value18
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value18
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value567
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value5149
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value253242232227220200
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LandAndBuilding


Finance
Period End2020-12-312019-12-31
Value5.93.8
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization2.51.9

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value697685683671667676
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ConstructionInProgress


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value212126141229
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization3.13.13.82.11.84.3

us-gaap:LandAndBuilding


Finance
Period End2020-12-312019-12-31
Value5553
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization8.18.0

us-gaap:LandBuildingsAndImprovements


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value234229234231233240
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization33.633.534.334.534.935.5

us-gaap:MachineryAndEquipment


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value428421410413410398
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization61.461.560.161.561.558.9

us-gaap:OfficeEquipment


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value13121212118.66
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization1.91.91.81.91.81.3

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2351931469643
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value165135996122
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization70.369.768.163.651.7

us-gaap:DevelopedTechnologyRights


Finite
Period End2020-12-312019-12-31
Value0.7480.374
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.30.2

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value129.026.0443.7822.508
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization5.24.74.13.95.7

us-gaap:OrderOrProductionBacklog


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1313131311
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization5.66.89.013.825.7

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.4930.4110.3060.2250.042
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.20.20.20.20.1

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1815127.92.884
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.98.28.48.26.6

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2419149.8964.449
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization10.410.210.210.310.2

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value33
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value9473000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value12
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value17
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value23
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-31
Value336336
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value235235231229232
Percentage of FiniteLivedIntangibleAssetsGross70.170.10.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1717158.3259.918
Percentage of FiniteLivedIntangibleAssetsGross5.15.10.00.00.0

us-gaap:OrderOrProductionBacklog


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1313131312
Percentage of FiniteLivedIntangibleAssetsGross3.93.90.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.8670.8670.8670.8670.529
Percentage of FiniteLivedIntangibleAssetsGross0.30.30.00.00.0

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2323232323
Percentage of FiniteLivedIntangibleAssetsGross7.07.00.00.00.0

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3939393939
Percentage of FiniteLivedIntangibleAssetsGross11.711.70.00.00.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value170170145138155176161170202211193170182176156175201185
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves

us-gaap:InventoryRawMaterialsAndSuppliesNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value958576808281768687939092919179878590
Percentage of InventoryRawMaterialsAndSuppliesNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value0.7720.9480.7340.5770.570.5910.8060.621.2551.0051.0511.7231.1660.4180.5430.90.4793.348
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value11
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:RevolvingCreditFacility, frta:Revolver2016, us-gaap:LineOfCredit


Letters
Period End2021-06-302021-03-312020-12-312020-09-30
Value18161626
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCredit

us-gaap:RevolvingCreditFacility, frta:Revolver2016, us-gaap:LineOfCredit


Line
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value20400.01800.00.039420.00.00.0
Percentage of LineOfCredit100.0100.00.0100.00.00.0100.0100.00.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

frta:SeniorSecuredNotesDue2025, us-gaap:SeniorNotes


Long
Period End2020-12-31
Value500
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2020-12-31
Value500
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312016-09-30
Value520540108012120.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0100.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:DebtInstrument

frta:Revolver2016


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-31
Value20400.00.00.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour3.87.40.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-30
Value389449
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2020-12-312020-09-30
Value389449
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312016-09-30
Value38938919212120.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0100.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument

frta:SeniorTermLoanCreditAgreement2016


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-31
Value389389121212
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.06.5100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-312016-09-30
Value6255000.09383000.09383000.06256000.09383000.00
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0100.0100.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:DebtInstrument

frta:SeniorTermLoanCreditAgreement2016


Long
Period End2021-06-302021-03-312020-03-312019-06-302019-03-31
Value6255000.09383000.09383000.06256000.09383000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:DebtInstrument, us-gaap:LongtermDebtType

frta:SeniorTermLoanCreditAgreement2016, us-gaap:SeniorNotes


Long
Period End2020-09-30
Value3128000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2020-09-30
Value3128000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear0.0

us-gaap:LossContingencyAccrualCarryingValueNoncurrent

us-gaap:LossContingencyAccrualCarryingValueNoncurrent


Loss
Period End2020-12-312019-12-31
Value6758000.04115000.0
Percentage of LossContingencyAccrualCarryingValueNoncurrent100.0100.0

us-gaap:NotesPayableFairValueDisclosure us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

us-gaap:NotesPayableFairValueDisclosure

frta:SeniorSecuredNotesDue2025, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-30
Value539539539529
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0

frta:SeniorTermLoanCreditAgreement2016, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4094124154731102
Percentage of NotesPayableFairValueDisclosure75.876.477.089.40.0

us-gaap:NotesPayableFairValueDisclosure us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis, us-gaap:LongtermDebtType

frta:SeniorSecuredNotesDue2025, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-30
Value492492492491
Percentage of NotesPayableFairValueDisclosure91.391.291.292.8

frta:SeniorSecuredNotesDue2025, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-30
Value539539539529
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0

frta:SeniorTermLoanCreditAgreement2016, us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4024054074691098
Percentage of NotesPayableFairValueDisclosure74.775.175.688.60.0

frta:SeniorTermLoanCreditAgreement2016, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:SeniorNotes


Notes
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4094124154731102
Percentage of NotesPayableFairValueDisclosure75.876.477.089.40.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9.4365.8484.1274.0653.633
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2829426621
Percentage of OperatingLossCarryforwards300.3496.71023.91636.6591.5

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:OtherSundryLiabilitiesNoncurrent


Other
Period End2020-12-312019-12-31
Value2255000.01935000.0
Percentage of OtherSundryLiabilitiesNoncurrent100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value9.9379.0057.967111212117.2897.3157.2686.5835.3815.5967.3637.9246.417
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductWarrantyAccrualClassifiedCurrent

us-gaap:ProductWarrantyAccrualClassifiedCurrent


Product
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value3877000.04109000.07069000.05960000.07419000.05412000.05536000.04509000.03004000.03328000.03251000.03798000.05459000.05295000.05038000.04117000.04056000.03509000.0
Percentage of ProductWarrantyAccrualClassifiedCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value232200
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value444442451444446475
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization us-gaap:StatementGeographical

country:CA


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value363433302943
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization8.27.77.46.96.79.2

country:MX


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value8.088.2648.4948.6888.9129.335
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization1.81.91.92.02.02.0

country:US


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value399400409405408422
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization90.090.490.791.291.388.8

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value683676
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-31
Value2629
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization3.84.3

us-gaap:LandBuildingsAndImprovements


Property
Period End2020-12-312019-12-31
Value234240
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization34.335.5

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-31
Value410398
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization60.158.9

us-gaap:OfficeEquipment


Property
Period End2020-12-312019-12-31
Value128.66
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization1.81.3

us-gaap:SeniorLongTermNotes

us-gaap:SeniorLongTermNotes


Senior
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3954561067125810851156121012141176117711781179118111821183989990
Percentage of SeniorLongTermNotes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

frta:RestrictedStockandRestrictedStockUnitsRSUs


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.65.119.6813.618.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value7.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-31
Value6.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:WorkersCompensationLiabilityNoncurrent

us-gaap:WorkersCompensationLiabilityNoncurrent


Workers
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value129.0239.8379.4559.8641.458
Percentage of WorkersCompensationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


Gross Margin
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Gross  Marginus-gaap: Equity Method Investment Nonconsolidated Investee
Operating Margin
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Operating  Marginus-gaap: Equity Method Investment Nonconsolidated Investee
us-gaap:GrossProfit
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Gross Profitus-gaap: Equity Method Investment Nonconsolidated Investee
us-gaap:NetIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Net Income Lossus-gaap: Equity Method Investment Nonconsolidated Investee
us-gaap:OperatingIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Operating Income Lossus-gaap: Equity Method Investment Nonconsolidated Investee
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Equity Method Investment Nonconsolidated Investee
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SeniorNotes')
Long Term Debtus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:NetIncomeLoss
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
(None,)
Net Income Lossus-gaap: Equity Method Investment Nonconsolidated Investee