FND


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

Table of contents


us-gaap:StatementClassOfStock
us-gaap:CommonStockValue
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

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

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfRevenue

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AssetsNoncurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:PropertyPlantAndEquipmentByType

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:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

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:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermDebt

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

fnd:NegativeLeaseExpenseRelatedToRentAbatementConcessions

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfDeferredHedgeGains
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:IncomeTaxCreditsAndAdjustments
us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforward, us-gaap:UnusualOrInfrequentItem

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:BusinessAcquisition, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefinitelivedIntangibleAssetsAcquired

us-gaap:InterestCostsCapitalizedAdjustment

us-gaap:InterestCostsIncurred

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost
us-gaap:IncomeStatementLocation

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:DebtInstrument
us-gaap:PaymentsOfDebtRestructuringCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PreOpeningCosts

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:SellingExpense
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesAcquisitions
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueAcquisitions
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:VariableLeaseCost
us-gaap:IncomeStatementLocation

fnd:AccountsAndOtherReceivablesNetCurrentExpectedRecoveries

fnd:AccruedConstructionInProgressCosts

fnd:AccruedLoyaltyProgramLiability

fnd:AccruedSalariesAndPayrollTaxes
us-gaap:BusinessAcquisition
fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill
us-gaap:BusinessAcquisition
fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets

fnd:ContractWithCustomerLiabilityDeferredRevenueCurrent

fnd:ContractWithCustomerLiabilityLoyaltyProgramCurrent

fnd:ContractWithCustomerLiabilityNoncurrentLoyaltyProgram

fnd:ContractWithCustomerLiabilityNoncurrentUnredeemedGiftCards

fnd:DebtInstrumentCarryingAmountCurrent

fnd:DebtInstrumentCarryingAmountNoncurrent

fnd:DeferredEmployerSocialSecurityTaxesPayable

fnd:DeferredTaxAssetsIntangibleAssetsExcludingGoodwill

fnd:DeferredTaxAssetsLeaseLiabilities

fnd:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsGiftCardLiability

fnd:ExposureToCreditRiskFromCustomers

fnd:LesseeOperatingLeaseLeaseNotYetCommencedAmount

fnd:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour

fnd:LesseeOperatingLeaseOptionToExtendAmount

fnd:LongTermDebtGrossExcludingCurrentMaturities

fnd:LongTermDebtMaturityAfterYearFour

fnd:ReceivablesExcludingIncomeTaxesNetCurrent

fnd:RentPaymentsDelayedOrDeferred
us-gaap:BalanceSheetLocation

fnd:SocialSecurityTaxEmployerDeferralCARESAct
us-gaap:BalanceSheetLocation

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccruedBonusesCurrentAndNoncurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:AreaOfRealEstateProperty
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerRefundLiabilityCurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFeeAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IncomeTaxReceivable
us-gaap:StatementScenario

us-gaap:IncomeTaxesReceivable

us-gaap:InventoryValuationReserves

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:DebtInstrument

us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:DebtInstrument

us-gaap:LongTermLoansPayable

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:SalesAndExciseTaxPayableCurrent

us-gaap:SelfInsuranceReserveCurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:SharePrice

us-gaap:ShortTermBorrowings
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Interest Expense
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Long Term Debt Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year

Tables

  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA████▇▇▇▇▇▆▆▆▆▆▆▆▃▁▁0.1050.1050.1040.1040.1030.1020.1010.1010.0990.0980.0980.0970.0970.0960.0960.0950.0870.0770.077NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock,us-gaap:StatementEquityComponents us-gaap:CommonClassA,us-gaap:CommonStock██▇▇▇▆▅▅▄▃▃▂▂▁▁105.111104.629104.368103.909103.147102.309101.458101.02599.11197.99797.58897.32697.21896.09495.509NANANA76.847NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁107.265107.099NA106.379105.466105.51NA105.18104.84104.321NA104.565104.937104.665NA103.89960299.9189490.088645NA88.36868987.8981890.086669
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁104.544104.073NA103.18102.114101.629NA100.13798.64297.785NA97.25496.68495.714NA94.43920490.8612050.083529NA83.45703783.3851140.083376
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption▁█0.0670.081NA0.2660.5910.59NA0.2811.0110.986NA0.2090.1810.098NA0.0116640.8923562.36NA1.9034661.7149862.208
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStock▁█0.0010.018NANA0.260.284NANA0.0NANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU▁█0.0060.1NANA0.1060.108NANA0.0NANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic █▇▆▇▃▄▄▄▅▃▂▃▄▄▅▃▃▂▂▂▁▁0.790.730.550.670.310.360.350.410.440.310.180.270.410.330.510.250.220.130.20.170.060.09
us-gaap:EarningsPerShareDiluted █▇▆▇▃▄▄▄▅▃▂▃▄▃▅▃▂▂▂▂▁▁0.770.710.540.650.30.350.340.390.420.290.170.250.380.30.460.220.20.130.190.160.060.08
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
 TTM Greenblatt ROC _ _██▅▆▁▃▃▂▃▃▁▂▃▂▂▂▂▁▁98.55795.94968.01478.80221.08946.67442.12431.445.89539.76223.31334.23737.24536.50632.40128.59634.10222.67219.97NANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▇▆▆▆▃▁▂5.44.74.6000000000000014.44.22.92.02.3NANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▇▆▇▃▄▄▄▄▃▂▃▄▃▅▃▂▂▂▂▁▁82.90975.87957.24868.86332.09637.13135.50940.97443.38330.38617.49726.69940.08132.30148.48223.13419.94510.84616.91614.2635.0357.101
us-gaap:CostOfGoodsAndServicesSold █▇▆▆▃▅▄▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁494.67445.604416.112390.219265.66318.905296.973307.305302.488275.676255.721257.656256.641237.562227.127201.432201.819181.825163.548160.344156.201141.404
us-gaap:CostOfRevenue █▇▆▆▃▅▄▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁494.67445.604416.112390.219265.66318.905296.973307.305302.488275.676255.721257.656256.641237.562227.127201.432201.819181.825163.548160.344156.201141.404
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.00.01.015NANANA0.0NANA0.00.0NA0.00.0-5.442NA-1.660.0-0.153NA
us-gaap:GeneralAndAdministrativeExpense █▆▆▆▅▄▅▅▄▄▄▃▃▃▃▂▂▂▁▁▁▁52.81944.04140.85839.28633.71330.85834.02237.24630.91630.20230.33226.47725.17923.33925.0922.17219.51817.88117.21216.63315.6114.57
us-gaap:GrossProfit █▇▇▆▄▅▅▄▄▄▃▃▃▃▃▂▂▂▂▁▁▁365.438336.933307.54294.628196.692236.032230.029213.788217.823201.374181.018178.226177.638165.386162.374142.491142.228125.471114.746110.967109.65293.897
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ██▆▆▂▄▄▃▄▃▂▃▃▃▃▂▂▂▁▂▁▁97.26494.56165.75976.77819.80144.86740.44529.42243.67236.84120.49632.06635.134.72230.00125.98625.30717.25812.86922.1688.011.476
us-gaap:IncomeTaxExpenseBenefit ▇█▆▆▂▆▅▂▄▆▅▅▄▅▁▅▅▆▄▆▅▅14.34818.7658.6198.004-12.2037.8045.104-11.5520.0766.1212.5945.498-4.7462.851-17.9752.7314.8786.13-3.8387.9492.9884.375
us-gaap:IncomeTaxesPaidNet █▄▃▁22.06313.0558.3984.125NANA-5.6720.02612.0990.00.360.0850.6180.0190.452.80811.1340.00.241-0.004NANA
us-gaap:InterestExpense ▁▁▃▂▃▂▂▂▃▄▄▂▂▂▃▃▄██▃▃▃1.2931.3882.2552.0242.3031.8071.6791.9782.2232.9212.8172.1712.1451.7842.42.613.3535.4145.4412.4012.4752.486
us-gaap:InterestPaidNet ▁▂▄▂▃▂▂▃▃▃▃▃▂▃▃▃▄█▃▂-0.0361.3763.1461.4112.1881.2981.6621.8141.9251.9871.8311.8881.4762.3682.0062.063.7377.9452.0660.662NANA
us-gaap:NetIncomeLoss █▇▆▇▃▄▄▄▄▃▂▃▄▃▅▃▂▂▂▂▁▁82.91675.79657.1468.77432.00437.06335.34140.97443.59630.7217.90226.56839.84631.87147.97623.25520.42911.12816.70714.2195.0127.101
us-gaap:OperatingExpenses █▇▇▆▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▁▂▁266.881240.984239.526215.826175.603189.358187.905182.388171.928161.612157.705143.989140.393128.88129.973113.895108.126102.79994.77686.39899.02479.935
us-gaap:OperatingIncomeLoss ██▆▆▂▄▄▃▄▃▂▃▃▃▃▂▃▂▂▂▁▁98.55795.94968.01478.80221.08946.67442.12431.445.89539.76223.31334.23737.24536.50632.40128.59634.10222.67219.9724.56910.62813.962
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▆▆▄▅▄▄▄▄▃▃▃▃▃▂▂▂▁▁▁▁860.108782.537723.652684.847462.352554.937527.002521.093520.311477.05436.739435.882434.279402.948389.501343.923344.047307.296278.294271.311265.853235.301
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:Assets █▇▇▆▆▆▅▅▄▄▂▂▂▂▂▁▁▁▁3364.2952964.7232880.4252714.3962528.732633.882324.3092156.8732011.1241873.3511234.0911131.8671118.411075.8821067.9921000.931944.22868.354831.166NANANA
us-gaap:Liabilities █▇▇▆▆▆▅▅▄▄▁▁▁▁▁▁▁▂▂2184.6931884.0031883.0371782.8911678.2341824.5911559.9731433.8331340.2361253.39649.782568.191583.736588.285625.132612.76583.076722.245696.883NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▆▆▆▅▅▄▄▂▂▂▂▂▁▁▁▁3364.2952964.7232880.4252714.3962528.732633.882324.3092156.8732011.1241873.3511234.0911131.8671118.411075.8821067.9921000.931944.22868.354831.166NANANA
us-gaap:StockholdersEquity █▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▁▁1179.6021080.72997.388931.505850.496809.289764.336723.04670.888619.961584.309563.676534.674487.597442.86388.171361.144146.109134.283NANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:AssetsCurrent █▇▇▆▅▆▄▄▃▃▃▂▂▂▂▂▂▁▁1165.4411061.8751040.456973.969829.981950.995701.486643.709564.014527.398559.458486.76502.309486.418503.212456.307416.088359.885336.215NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ██▇▆▄▇▂▃▂▁▁▁▁▁▁▁▁366.093354.051307.772271.126134.42289.93127.03784.10651.450.4510.6440.5340.5470.5720.5560.5670.386NA0.451NANANA
us-gaap:InventoryNet █▇▇▆▆▆▆▄▄▄▄▃▃▃▃▃▂▁▁683.811607.649654.0598.461594.269588.941581.865483.957446.397437.504471.014403.772432.446426.719427.95395.62367.473316.54293.702NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▇▅▄▃▄▄▄▅▄▃▃▂▂▁▁▁▁▁42.73340.17328.25723.36719.20321.56220.41521.11327.68923.34215.94916.55312.10711.0968.1937.5257.6489.5177.529NANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:AssetsNoncurrent █▇▇▆▆▆▆▅▅▄▂▂▁▁▁▁▁▁▁2198.8541902.8481839.9691740.4271698.7491682.8851622.8231513.1641447.111345.953674.633645.107616.101589.464564.78544.624528.132508.469494.951NANANA
us-gaap:PropertyPlantAndEquipmentGross NANA874.971NANANA680.579NANANA480.049NANANA325.658NANANA220.712NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType fnd:ComputerSoftwareAndHardwareNANA138.321NANANA113.975NANANA83.628NANANA52.687NANANA40.699NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA65.552NANANA11.614NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA259.696NANANA236.555NANANA174.663NANANA126.821NANANA90.787NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA30.731NANANA8.715NANANA5.297NANANA4.976NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA380.671NANANA321.334NANANA216.461NANANA141.174NANANA89.226NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA295.612NANANA224.29NANANA151.683NANANA104.706NANANA70.241NANANA
us-gaap:PropertyPlantAndEquipmentNet █▇▆▅▅▅▅▄▄▃▃▃▂▂▂▂▁▁▁727.108611.311579.359506.789481.77473.081456.289425.498382.646338.888328.366300.279271.5245.407220.952200.4183.649163.813150.471NANANA
us-gaap:Goodwill █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁255.473227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447227.447NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁153.422109.269109.269109.275109.283109.291109.299109.307109.315109.322109.33109.338109.346109.354109.362109.37109.378109.386109.394NANANA
us-gaap:OperatingLeaseRightOfUseAsset █▇▇▇▇▇▆▆▆▅▁1055.246947.451916.325890.148873.115865.515822.256743.517720.009659.1150.0NANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▂▁▂▂▂▂▂█▅▃▃▂▁▂▂▃▂7.6057.377.5696.7687.1347.5517.5327.3957.69311.1819.498.0437.8087.2567.0197.4077.6587.8237.639NANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:AccountsPayableCurrent █▆▆▅▄▄▅▄▃▂▄▂▃▃▃▃▃▂▁529.22402.134417.898362.457326.032319.815368.459318.35272.695229.498313.503237.785264.987255.007258.73249.246243.584205.939158.466NANANA
us-gaap:AccruedIncomeTaxesCurrent ▁█▇3.8513.63512.391NANA9.6740.0NANA8.7650.0NANANANA0.00.06.4865.787NANANA
us-gaap:AccruedLiabilitiesCurrent █▆▆▅▃▃▃▄▃▂▂▂▁▂▂▂▁▁▁212.466160.406162.283150.054106.17100.423102.807112.14197.01576.3982.03877.82662.16268.83474.54765.87853.82856.36461.505NANANA
us-gaap:ContractWithCustomerLiabilityCurrent █▅▃▄▃▂▂▃▂▂▂▁▁▁█23.09915.65910.11510.8538.3877.1896.6838.8246.9676.5815.2445.0474.6833.74222.523NANANANANANANA
us-gaap:DebtCurrent 5.469NA1.647NANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▆▆▅▄▄▅▄▃▃▃▂▂▂▂▂▂▂▁860.214672.978698.836618.918533.69506.497552.541492.432424.638398.349404.285324.158335.332331.083359.3344.224322.431293.215243.714NANANA
us-gaap:LongTermDebtCurrent ▅▅▄▆▆▅▁▁███████████2.1032.1031.6472.7452.5581.8080.00.03.53.53.53.53.53.53.53.53.53.53.5NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▇▇███▆▇▅▄▆▁86.1179.04194.50292.80990.54367.58874.59253.11744.46173.6150.0NANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA24.851NANANA35.449NANANA49.29NANANA57.151NANANA33.064NANANA
us-gaap:TaxesPayableCurrent NANA12.391NANANANANANANANANANANANANANANANANANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:LiabilitiesNoncurrent █▇▇▇▇█▆▆▅▅▁▁▁▁▁▁▁▂▂1324.4791211.0251184.2011163.9731144.5441318.0941007.432941.401915.598855.041245.497244.033248.404257.202265.832268.536260.645429.03453.169NANANA
us-gaap:LongTermDebt NANA208.804209.538209.535415.134142.606143.288143.97146.752145.334146.016160.298173.305189.062187.419181.825354.71390.743NANANA
us-gaap:LongTermDebtNoncurrent ▂▂▃▃▃█▁195.443195.546207.157206.793206.977413.326142.606NANA141.152141.834142.516143.198143.005144.562145.819146.525336.71337.243NANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:DebtInstrument fnd:TermLoanFacilityNANA9.0NANANA2.894NANANA3.666NANANA4.438NANANANANANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:DebtInstrument us-gaap:RevolvingCreditFacilityNANA0.975NANANA0.574NANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▆▆▅██▁▂▃▄34.5132.44927.9940.55138.9313.63318.37820.00525.173NA26.838NANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▄▄▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁17.077.8457.9291.9282.0112.1142.1792.272.362.4512.552.6782.6043.1640.7030.6760.6480.6250.592NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █▇▇▇▇▇▆▆▆▅▁1077.456975.185941.125914.701896.626889.021844.269775.838747.595683.6720.0NANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▃▄▁156.506140.051141.815133.226NANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▃▂▁149.008137.182136.289133.531NANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▃▅▁139.405128.248133.866124.733NANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA125.79NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA713.557NANANANANANANANANANANANANANANANANANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:StockholdersEquity █▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▁▁1179.6021080.72997.388931.505850.496809.289764.336723.04670.888619.961584.309563.676534.674487.597442.86388.171361.144146.109134.283NANANA
 us-gaap:CommonStockValue us-gaap:StatementClassOfStock us-gaap:CommonClassA████▇▇▇▇▇▆▆▆▆▆▆▆▃▁▁0.1050.1050.1040.1040.1030.1020.1010.1010.0990.0980.0980.0970.0970.0960.0960.0950.0870.0770.077NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▁▁431.549415.576408.124399.489387.344378.234370.413364.626353.45345.907340.462337.327335.024328.029323.419317.213313.323118.25117.27NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▆▅▅▅▄▄▃▃▃▃▂▂▂▁▁▁747.708664.792588.996531.856463.082431.078394.015358.674317.7274.104243.563225.661199.093159.247119.5571.57448.31827.88216.754NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▆▆▅▅▄▄▃▃▄▆█▇▆▄▁▂▄▆0.240.2470.1640.056-0.033-0.125-0.193-0.361-0.361-0.1480.1860.5910.460.225-0.205-0.711-0.59-0.1060.176NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁5.3194.734NA4.44.2342.908NA2.2422.1682.25NA1.6591.5361.415NANANANANANANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▅▇█▄▂▁▅▅▂▃▄▃▃▂▂▂▃▂▂155.621100.996136.479172.9872.03724.668-4.93687.43795.13627.02141.92559.77643.31140.61226.34416.42410.36556.07418.52427.651NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▇▄▇█▇▆▆▇▇▇▇▇█▇█████-149.569-45.876-102.795-43.659-27.61-38.384-54.993-62.843-46.538-31.634-42.002-45.957-35.597-27.841-32.614-24.141-25.697-19.801-22.408-21.32NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▄▄▁█▄▄▄▄▄▄▄▄▄▄▄▃▄▄5.99-8.8412.9627.385-199.938276.612.868.0622.4014.420.187-13.832-7.739-12.7556.2597.89815.273-36.2793.986-6.365NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▄▄▆▁█▃▄▄▄▄▄▄▄▄▄12.04246.27936.646136.706-155.511262.894-57.06932.65650.999-0.1930.11-0.013-0.0250.016-0.0110.181NANANANANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▁▄█▂▃▂▃▃▃▃▃▄▁▄▄▄▁▄▄▃2.0614.459-12.5591.62125.291-4.739-3.94-5.166-0.421-1.057-3.573-0.2170.7112.111-10.1321.9892.1335.453-10.0662.9841.4140.132
us-gaap:DepreciationDepletionAndAmortization ██▇▆▆▆▆▅▅▅▄▃▃▃▂▂▂▂▂▁▁▁27.68226.41524.39122.8622.30122.08820.70418.38717.72617.18414.94913.41112.09811.53410.4259.5799.1258.9338.2516.6577.5716.125
us-gaap:IncreaseDecreaseInAccountsPayable █▃▆▅▄▂▆▅▅▁▇▃▄▄▄▄▅▆▄▄▅▄118.479-13.37655.44136.4256.217-48.64450.10945.65543.197-84.00575.718-27.2029.98-3.7239.4845.66237.64547.473-7.343-1.84218.3871.943
us-gaap:IncreaseDecreaseInInventories ▇▁▆▃▄▄█▅▄▂▇▂▄▄▅▅▆▄▃▃▄▄71.689-46.35155.5394.1925.3287.07697.90837.5618.892-33.5167.242-28.6745.7279.26232.3328.14750.93322.838-7.9082.70913.95912.373
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▅▇█▄▂▁▅▅▂▃▄▃▃▂▂▂▃▂▂155.621100.996136.479172.9872.03724.668-4.93687.43795.13627.02141.92559.77643.31140.61226.34416.42410.36556.07418.52427.651NANA
us-gaap:NetIncomeLoss █▇▆▇▃▄▄▄▄▃▂▃▄▃▅▃▂▂▂▂▁▁82.91675.79657.1468.77432.00437.06335.34140.97443.59630.7217.90226.56839.84631.87147.97623.25520.42911.12816.70714.2195.0127.101
us-gaap:ShareBasedCompensation █▇▇▇▆▄▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁5.3194.7344.5734.44.2342.9082.0512.2422.1682.251.9031.6591.5371.4151.4061.4181.250.8851.0230.7460.7050.755
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▇▄▇█▇▆▆▇▇▇▇▇█▇█████-149.569-45.876-102.795-43.659-27.61-38.384-54.993-62.843-46.538-31.634-42.002-45.957-35.597-27.841-32.614-24.141-25.697-19.801-22.408-21.32NANA
us-gaap:PaymentsToAcquireProductiveAssets ▇▄█▃▂▃▄▅▄▂▃▄▃▂▂▂▂▁▂▂▁▁86.21545.876102.79543.65927.6138.38454.99362.84346.53831.63442.00245.95735.59727.84132.61424.14125.69719.80122.40821.3217.00513.915
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▄▄▁█▄▄▄▄▄▄▄▄▄▄▄▃▄▄5.99-8.8412.9627.385-199.938276.612.868.0622.4014.420.187-13.832-7.739-12.7556.2597.89815.273-36.2793.986-6.365NANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument fnd:TermLoanFacilityB1NANANANANANANANANANANANANANANANANANANANANANA
  2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value105000.0105000.0104000.0104000.0103000.0102000.0101000.0101000.099000.098000.098000.097000.097000.096000.096000.095000.087000.077000.077000.0
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
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesIssued

us-gaap:CommonClassA, us-gaap:CommonStock


Common
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value10510410410310310210110199979797979695767676
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-292017-09-282017-06-292017-03-302016-09-292016-06-302016-03-31
Value107107106105105105104104104104104103990.08864588870.086669
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-292017-09-282017-06-292017-03-302016-09-292016-06-302016-03-31
Value104104103102101100989797969594900.08352983830.083376
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-292017-09-282017-06-292017-03-302016-09-292016-06-302016-03-31
Value67000.081000.0266000.0591000.0590000.0281000.01011000.0986000.0209000.0181000.098000.011664.0892360.02360000.01903500.01715000.02208000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Antidilutive
Period End2021-07-012021-04-012020-06-252020-03-262019-06-27
Value1000.018000.0260000.0284000.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1.522.244.048.10.0

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-07-012021-04-012020-06-252020-03-262019-06-27
Value6000.0100000.0106000.0108000.00
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount9.0123.517.918.30.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.790.730.550.670.310.360.350.410.440.310.180.270.410.330.510.250.220.130.20.170.060.09
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.770.710.540.650.30.350.340.390.420.290.170.250.380.30.460.220.20.130.190.160.060.08
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value5.44.74.6000000000000014.44.22.92.02.3
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.60.60.90.50.40.4

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value82755768323735404330172640324823191016145.0357.101
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 RevenueFromContractWithCustomerExcludingAssessedTax9.69.77.910.16.96.76.77.98.36.44.06.19.28.012.46.75.83.56.15.31.93.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value494445416390265318296307302275255257256237227201201181163160156141
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.556.957.557.057.557.556.459.058.157.858.659.159.159.058.358.658.759.258.859.158.860.1

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value494445416390265318296307302275255257256237227201201181163160156141
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.556.957.557.057.557.556.459.058.157.858.659.159.159.058.358.658.759.258.859.158.860.1

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-242020-06-252019-06-272018-09-272018-06-282017-12-282017-09-282017-06-292016-12-292016-09-292016-06-30
Value001015000.000000-5442000.0-1660000.00-153000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.0100.00.00.00.00.00.0100.0100.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.20.00.00.00.00.0-1.6-0.60.0-0.1

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value52444039333034373030302625232522191717161514
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.15.65.65.77.35.66.57.15.96.36.96.15.85.86.46.45.75.86.26.15.96.2

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value36533630729419623623021321720118117817716516214214212511411010993
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 RevenueFromContractWithCustomerExcludingAssessedTax42.543.142.543.042.542.543.641.041.942.241.440.940.941.041.741.441.340.841.240.941.239.9

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value97946576194440294336203235343025251712228.011
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 RevenueFromContractWithCustomerExcludingAssessedTax11.312.19.111.24.38.17.75.68.47.74.77.48.18.67.77.67.45.64.68.23.04.9

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value14188.6198.004-12.2037.8045.104-11.5520.0766.1212.5945.498-4.7462.851-17.9752.7314.8786.13-3.8387.9492.9884.375
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 RevenueFromContractWithCustomerExcludingAssessedTax1.72.41.21.2-2.61.41.0-2.20.01.30.61.3-1.10.7-4.60.81.42.0-1.42.91.11.9

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-07-012021-04-012020-12-312020-09-242019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value22138.3984.125-5.6720.026120.00.360.0850.6180.0190.452.808110.00.241-0.004
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.71.20.6-1.10.02.30.00.10.00.10.00.10.83.20.00.1-0.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value1.2931.3882.2552.0242.3031.8071.6791.9782.2232.9212.8172.1712.1451.7842.42.613.3535.4145.4412.4012.4752.486
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 RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.30.30.50.30.30.40.40.60.60.50.50.40.60.81.01.82.00.90.91.1

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value-0.0361.3763.1461.4112.1881.2981.6621.8141.9251.9871.8311.8881.4762.3682.0062.063.7377.9452.0660.662
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.20.40.20.50.20.30.30.40.40.40.40.30.60.50.61.12.60.70.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value82755768323735404330172639314723201116145.0127.101
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 RevenueFromContractWithCustomerExcludingAssessedTax9.69.77.910.06.96.76.77.98.46.44.16.19.27.912.36.85.93.66.05.21.93.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value8275683237404330263931
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.69.710.06.96.77.98.46.46.19.27.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value26624023921517518918718217116115714314012812911310810294869979
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.030.833.131.538.034.135.735.033.033.936.133.032.332.033.433.131.433.534.131.837.234.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value98956878214642314539233437363228342219241013
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.512.39.411.54.68.48.06.08.88.35.37.98.69.18.38.39.97.47.29.14.05.9

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value860782723684462554527521520477436435434402389343344307278271265235
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value684462554521520477435434
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

fnd:AdjacentCategories


Revenue
Period End2021-07-012021-04-012020-06-252020-03-26
Value13123.3152.55
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.60.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.60.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:AdjacentCategories100.0100.0100.0100.0

fnd:DecorativeAccessories


Revenue
Period End2021-07-012021-04-012020-06-252020-03-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-30
Value1631578411197948082827874576460
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.120.118.220.018.819.818.519.019.119.519.216.818.919.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.120.118.220.018.819.818.519.019.119.519.216.818.919.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:DecorativeAccessories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnd:InstallationMaterialsAndTools


Revenue
Period End2021-07-012021-04-012020-06-252020-03-262019-06-272019-03-282018-06-282018-03-29
Value141130739488796863
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.416.715.817.017.016.715.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.416.715.817.017.016.715.715.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:InstallationMaterialsAndTools100.0100.0100.0100.0100.0100.0100.0100.0

fnd:LaminateLuxuryVinylPlank


Revenue
Period End2021-07-012021-04-012020-06-252020-03-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-09-282017-06-292017-03-30
Value2141861051241089788837766525042
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.023.822.822.520.820.420.219.217.816.615.314.813.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.023.822.822.520.820.420.219.217.816.615.314.813.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:LaminateLuxuryVinylPlank100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnd:NaturalStone


Revenue
Period End2021-07-012021-04-012020-06-252020-03-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-30
Value5149303432302828292827252624
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.36.66.36.36.56.46.46.87.07.27.47.88.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.36.66.36.36.56.46.46.87.07.27.47.88.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:NaturalStone100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnd:Tile


Revenue
Period End2021-07-012021-04-012020-06-252020-03-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-30
Value20818911813413612511511912311712010310392
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.224.225.724.326.226.326.527.528.429.130.830.030.230.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.224.225.724.326.226.326.527.528.429.130.830.030.230.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:Tile100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnd:WoodFlooring


Revenue
Period End2021-07-012021-04-012020-06-252020-03-26
Value66624148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.99.18.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.99.18.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:WoodFlooring100.0100.0100.0100.0

us-gaap:ProductAndServiceOther


Revenue
Period End2021-07-012021-04-012020-06-252020-03-26
Value0.034-4.5274.9642.986
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.61.10.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.61.10.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductAndServiceOther100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

fnd:DecorativeAccessories, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value1358711310097948282
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.818.920.519.318.819.819.019.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.818.920.519.318.819.819.019.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:DecorativeAccessories us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

fnd:InstallationMaterialsAndTools, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value11373948888796968
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.515.817.016.917.016.715.915.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.515.817.016.917.016.715.915.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:InstallationMaterialsAndTools us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

fnd:LaminateLuxuryVinylPlank, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value157105124116108978377
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.022.822.522.320.820.419.217.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23.022.822.522.320.820.419.217.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:LaminateLuxuryVinylPlank us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

fnd:NaturalStone, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value4130343132302829
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.66.36.06.36.56.46.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.66.36.06.36.56.46.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:NaturalStone us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

fnd:Tile, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value173118134133136125119123
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.724.325.626.226.327.528.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.325.724.325.626.226.327.528.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:Tile us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0100.0100.0

fnd:WoodFlooring, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-28
Value604148515249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.89.18.89.910.110.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.89.18.89.910.110.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax fnd:WoodFlooring us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0

us-gaap:ProductAndServiceOther, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Revenue
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-28
Value2.2894.9642.986-0.1563.923-0.028
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.31.10.5-0.00.8-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.31.10.5-0.00.8-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductAndServiceOther us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark us-gaap:ProductConcentrationRisk100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value3364296428802714252826332324215620111873123411311118107510671000944868831
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

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value2184188418831782167818241559143313401253649568583588625612583722696
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets64.963.565.465.766.469.367.166.566.666.952.750.252.254.758.561.261.883.283.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value3364296428802714252826332324215620111873123411311118107510671000944868831
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 End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292015-12-312014-12-25
Value11791080997931850809764723670619584563534487442388361146134312282
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.136.534.634.333.630.732.933.533.433.147.349.847.845.341.538.838.216.816.20.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value0.1050.1050.1040.1040.1030.1020.1010.1010.0990.0980.0980.0970.0970.0960.0960.0770.0770.077
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
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:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value0.240.2470.1640.056-0.033-0.125-0.193-0.361-0.361-0.1480.1860.5910.460.225-0.2050.176-0.1-0.143
Percentage of StockholdersEquity0.00.00.00.0-0.0-0.0-0.0-0.0-0.1-0.00.00.10.10.0-0.00.1-0.0-0.1
Percentage of Assets0.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.00.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value431415408399387378370364353345340337335328323117264261
Percentage of StockholdersEquity36.638.540.942.945.546.748.550.452.755.858.359.862.767.373.087.384.692.5
Percentage of Assets12.814.014.214.715.314.415.916.917.618.527.629.830.030.530.314.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value747664588531463431394358317274243225199159119164821
Percentage of StockholdersEquity63.461.559.157.154.453.351.549.647.444.241.740.037.232.727.012.515.47.5
Percentage of Assets22.222.420.419.618.316.417.016.615.814.619.719.917.814.811.22.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value116510611040973829950701643564527559486502486503456416359336
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.635.836.135.932.836.130.229.828.028.245.343.044.945.247.145.644.141.440.5

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292016-12-292015-12-31
Value3663543072711342892784510.4510.6440.5340.5470.5720.5560.5670.3860.4510.318
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.910.710.05.311.01.23.92.60.00.10.00.00.10.10.10.00.10.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value683607654598594588581483446437471403432426427395367316293
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.320.522.722.023.522.425.022.422.223.438.235.738.739.740.139.538.936.535.3

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value42402823192120212723151612118.1937.5257.6489.5177.529
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.00.90.80.80.91.01.41.21.31.51.11.00.80.80.81.10.9

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value2198190218391740169816821622151314471345674645616589564544528508494
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets65.464.263.964.167.263.969.870.272.071.854.757.055.154.852.954.455.958.659.5

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value874680480325220
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0
Percentage of Assets30.429.338.930.526.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

fnd:ComputerSoftwareAndHardware


Property
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value138113835240
Percentage of PropertyPlantAndEquipmentGross15.816.717.416.218.4
Percentage of Assets4.84.96.84.94.9
Percentage of Assets fnd:ComputerSoftwareAndHardware0.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-26
Value6511
Percentage of PropertyPlantAndEquipmentGross7.51.7
Percentage of Assets2.30.5
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value25923617412690
Percentage of PropertyPlantAndEquipmentGross29.734.836.438.941.1
Percentage of Assets9.010.214.211.910.9
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-262018-12-272017-12-28
Value308.7155.2974.976
Percentage of PropertyPlantAndEquipmentGross3.51.31.11.5
Percentage of Assets1.10.40.40.5
Percentage of Assets us-gaap:Land0.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value38032121614189
Percentage of PropertyPlantAndEquipmentGross43.547.245.143.440.4
Percentage of Assets13.213.817.513.210.7
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value29522415110470
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0
Percentage of Assets10.39.612.39.88.5

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value727611579506481473456425382338328300271245220200183163150
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.620.620.118.719.118.019.619.719.018.126.626.524.322.820.720.019.418.918.1

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value255227227227227227227227227227227227227227227227227227227
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.67.77.98.49.08.69.810.511.312.118.420.120.321.121.322.724.126.227.4

us-gaap:Goodwill us-gaap:BusinessAcquisition

fnd:SpartanSurfacesInc


Goodwillus-gaap:
Period End2021-06-04
Value28
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets fnd:SpartanSurfacesInc0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value153109109109109109109109109109109109109109109109109109109
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.63.73.84.04.34.14.75.15.45.88.99.79.810.210.210.911.612.613.2

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-27
Value10559479168908738658227437206590.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets31.432.031.832.834.532.935.434.535.835.20.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value851808732707647
Percentage of OperatingLeaseRightOfUseAsset92.998.498.598.398.3
Percentage of Assets29.534.834.035.234.6
Percentage of Assets us-gaap:Building0.00.00.00.00.0

us-gaap:Equipment


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value6.8657.3226.9477.4486.263
Percentage of OperatingLeaseRightOfUseAsset0.70.90.91.01.0
Percentage of Assets0.20.30.30.40.3
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:Land


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value562.3780.1940.2190.245
Percentage of OperatingLeaseRightOfUseAsset6.20.30.00.00.0
Percentage of Assets2.00.10.00.00.0
Percentage of Assets us-gaap:Land0.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value1.663.5674.0314.4874.94
Percentage of OperatingLeaseRightOfUseAsset0.20.40.50.60.7
Percentage of Assets0.10.20.20.20.3
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value7.6057.377.5696.7687.1347.5517.5327.3957.693119.498.0437.8087.2567.0197.4077.6587.8237.639
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.20.30.30.30.30.40.60.80.70.70.70.70.70.80.90.9

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value529402417362326319368318272229313237264255258249243205158
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.713.614.513.412.912.115.914.813.612.325.421.023.723.724.224.925.823.719.1

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-07-012021-04-012020-12-312020-03-262019-12-262019-03-282018-12-272017-09-282017-06-292017-03-302016-12-29
Value3.8513129.6740.08.7650.00.00.06.4865.787
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.00.0100.00.00.00.0100.0100.0
Percentage of Assets0.10.50.40.40.00.50.00.00.00.70.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value2121601621501061001021129776827762687465535661
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.35.45.65.54.23.84.45.24.84.16.66.95.66.47.06.65.76.57.4

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-28
Value231510108.3877.1896.6838.8246.9676.5815.2445.0474.6833.74222
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.50.40.40.30.30.30.40.30.40.40.40.40.32.1

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-07-012020-12-31
Value5469000.01647000.0
Percentage of DebtCurrent100.0100.0
Percentage of Assets0.20.1

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value860672698618533506552492424398404324335331359344322293243
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.622.724.322.821.119.223.822.821.121.332.828.630.030.833.634.434.133.829.3

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value2103000.02103000.01647000.02745000.02558000.01808000.0003500000.03500000.03500000.03500000.03500000.03500000.03500000.03500000.03500000.03500000.03500000.0
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.00.00.20.20.30.30.30.30.30.30.40.40.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-27
Value867994929067745344730.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.62.73.33.43.62.63.22.52.23.90.0

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value8867473868
Percentage of OperatingLeaseLiabilityCurrent93.490.589.986.993.6
Percentage of Assets3.12.92.21.93.7
Percentage of Assets us-gaap:Building0.00.00.00.00.0

us-gaap:Equipment


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value3.9413.7583.3033.3532.784
Percentage of OperatingLeaseLiabilityCurrent4.25.06.27.53.8
Percentage of Assets0.10.20.20.20.1
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:Land


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value0.440.170.0850.0890.093
Percentage of OperatingLeaseLiabilityCurrent0.50.20.20.20.1
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:Land0.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value1.8343.1641.9822.3941.811
Percentage of OperatingLeaseLiabilityCurrent1.94.23.75.42.5
Percentage of Assets0.10.10.10.10.1
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value2435495733
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.91.54.05.44.0

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2020-12-31
Value12
Percentage of TaxesPayableCurrent100.0
Percentage of Assets0.4

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value1324121111841163114413181007941915855245244248257265268260429453
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.440.841.142.945.350.043.343.645.545.619.921.622.223.924.926.827.649.454.5

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value208209209415142143143146145146160173189187181354390
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.27.78.315.86.16.67.27.811.812.914.316.117.718.719.340.847.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value195195207206206413142141141142143143144145146336337
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.86.67.27.68.215.76.17.511.512.612.813.313.514.615.538.840.6

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNoncurrentNet

fnd:TermLoanFacility


Deferred
Period End2020-12-312019-12-262018-12-272017-12-28
Value9000000.02894000.03666000.04438000.0
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0
Percentage of Assets0.30.10.30.4
Percentage of Assets fnd:TermLoanFacility0.00.00.00.0

us-gaap:RevolvingCreditFacility


Deferred
Period End2020-12-312019-12-26
Value975000.0574000.0
Percentage of DeferredFinanceCostsNoncurrentNet10.819.8
Percentage of Assets0.00.0
Percentage of Assets us-gaap:RevolvingCreditFacility0.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272018-12-27
Value34322740381318202526
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.01.51.50.50.80.91.32.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value177.8457.9291.9282.0112.1142.1792.272.362.4512.552.6782.6043.1640.7030.6760.6480.6250.592
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.30.30.10.10.10.10.10.10.10.20.20.20.30.10.10.10.10.1

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-27
Value10779759419148968898447757476830.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets32.032.932.733.735.533.836.336.037.236.50.0

us-gaap:OperatingLeaseLiabilityNoncurrent us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Building


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value873837769740675
Percentage of OperatingLeaseLiabilityNoncurrent92.899.299.299.198.8
Percentage of Assets30.336.035.736.836.1
Percentage of Assets us-gaap:Building0.00.00.00.00.0

us-gaap:Equipment


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value2.9243.9024.0664.6014.663
Percentage of OperatingLeaseLiabilityNoncurrent0.30.50.50.60.7
Percentage of Assets0.10.20.20.20.2
Percentage of Assets us-gaap:Equipment0.00.00.00.00.0

us-gaap:Land


Operating
Period End2020-12-312019-12-262019-09-262019-06-272019-03-28
Value652.3570.1140.1360.158
Percentage of OperatingLeaseLiabilityNoncurrent6.90.30.00.00.0
Percentage of Assets2.30.10.00.00.0
Percentage of Assets us-gaap:Land0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value156140141133
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets4.74.74.94.9

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value149137136133
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets4.44.64.74.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value139128133124
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets4.14.34.64.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value125
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets4.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value713
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets24.8

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-07-012021-04-012020-12-312020-09-242019-12-262019-09-262019-06-272019-03-28
Value1163105410351007918828792757
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.635.636.037.139.538.439.440.4

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value1593143113971330
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets47.448.348.549.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value430376361322
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets12.812.712.611.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292015-12-312014-12-25
Value11791080997931850809764723670619584563534487442388361146134312282
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.136.534.634.333.630.732.933.533.433.147.349.847.845.341.538.838.216.816.20.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value0.1050.1050.1040.1040.1030.1020.1010.1010.0990.0980.0980.0970.0970.0960.0960.0770.0770.077
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
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:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value0.240.2470.1640.056-0.033-0.125-0.193-0.361-0.361-0.1480.1860.5910.460.225-0.2050.176-0.1-0.143
Percentage of StockholdersEquity0.00.00.00.0-0.0-0.0-0.0-0.0-0.1-0.00.00.10.10.0-0.00.1-0.0-0.1
Percentage of Assets0.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.00.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value431415408399387378370364353345340337335328323117264261
Percentage of StockholdersEquity36.638.540.942.945.546.748.550.452.755.858.359.862.767.373.087.384.692.5
Percentage of Assets12.814.014.214.715.314.415.916.917.618.527.629.830.030.530.314.10.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282016-12-292015-12-312014-12-25
Value747664588531463431394358317274243225199159119164821
Percentage of StockholdersEquity63.461.559.157.154.453.351.549.647.444.241.740.037.232.727.012.515.47.5
Percentage of Assets22.222.420.419.618.316.417.016.615.814.619.719.917.814.811.22.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:CommonStockValue

us-gaap:CommonClassA


Common
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value105000.0105000.0104000.0104000.0103000.0102000.0101000.0101000.099000.098000.098000.097000.097000.096000.096000.095000.087000.077000.077000.0
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
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value431415408399387378370364353345340337335328323317313118117
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.814.014.214.715.314.415.916.917.618.527.629.830.030.530.331.733.213.614.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value74766458853146343139435831727424322519915911971482716
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.222.420.419.618.316.417.016.615.814.619.719.917.814.811.27.25.13.22.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value240000.0247000.0164000.056000.0-33000.0-125000.0-193000.0-361000.0-361000.0-148000.0186000.0591000.0460000.0225000.0-205000.0-711000.0-590000.0-106000.0176000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.00.0-0.0-0.1-0.1-0.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value5.3194.7344.44.2342.9082.2422.1682.251.6591.5361.415
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 End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value5.3194.7344.44.2342.9082.2422.1682.251.6591.5361.415
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 End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value1551001361727224-4.93687952741594340261610561827
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.112.918.925.315.64.4-0.916.818.35.79.613.710.010.16.84.83.018.26.710.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value-149570000.0-45876000.0-102800000.0-43659000.0-27610000.0-38384000.0-54993000.0-62843000.0-46538000.0-31634000.0-42002000.0-45957000.0-35597000.0-27841000.0-32614000.0-24141000.0-25697000.0-19801000.0-22408000.0-21320000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.4-5.9-14.2-6.4-6.0-6.9-10.4-12.1-8.9-6.6-9.6-10.5-8.2-6.9-8.4-7.0-7.5-6.4-8.1-7.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value5.99-8.8412.9627.385-199.9382762.868.0622.4014.420.187-13.832-7.739-12.7556.2597.89815-36.2793.986-6.365
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-1.10.41.1-43.249.80.51.50.50.90.0-3.2-1.8-3.21.62.34.4-11.81.4-2.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-28
Value124636136-155.511262-57.0693250-0.1930.11-0.013-0.0250.016-0.0110.181
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.45.95.120.0-33.647.4-10.86.39.8-0.00.0-0.0-0.00.0-0.00.1

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value2.0614.459-12.5591.62125-4.739-3.94-5.166-0.421-1.057-3.573-0.2170.7112.111-10.1321.9892.1335.453-10.0662.9841.4140.132
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value2726242222222018171714131211109.5799.1258.9338.2516.6577.5716.125
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value118-13.37655366.217-48.644504543-84.00575-27.2029.98-3.7239.4845.6623747-7.343-1.842181.943
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value71-46.351554.1925.3287.07697378.892-33.5167-28.6745.7279.26232285022-7.9082.7091312
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value1551001361727224-4.93687952741594340261610561827
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.112.918.925.315.64.4-0.916.818.35.79.613.710.010.16.84.83.018.26.710.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value82755768323735404330172639314723201116145.0127.101
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 RevenueFromContractWithCustomerExcludingAssessedTax9.69.77.910.06.96.76.77.98.46.44.16.19.27.912.36.85.93.66.05.21.93.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value8275683237404330263931
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.69.710.06.96.77.98.46.46.19.27.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax 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 End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value5.3194.7344.5734.44.2342.9082.0512.2422.1682.251.9031.6591.5371.4151.4061.4181.250.8851.0230.7460.7050.755
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value-149570000.0-45876000.0-102800000.0-43659000.0-27610000.0-38384000.0-54993000.0-62843000.0-46538000.0-31634000.0-42002000.0-45957000.0-35597000.0-27841000.0-32614000.0-24141000.0-25697000.0-19801000.0-22408000.0-21320000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-17.4-5.9-14.2-6.4-6.0-6.9-10.4-12.1-8.9-6.6-9.6-10.5-8.2-6.9-8.4-7.0-7.5-6.4-8.1-7.9

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value864510243273854624631424535273224251922211713
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-29
Value5.99-8.8412.9627.385-199.9382762.868.0622.4014.420.187-13.832-7.739-12.7556.2597.89815-36.2793.986-6.365
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.7-1.10.41.1-43.249.80.51.50.50.90.0-3.2-1.8-3.21.62.34.4-11.81.4-2.3

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebt

fnd:TermLoanFacilityB1


Repayments
Period End2021-02-09
Value75
Percentage of RepaymentsOfLongTermDebt100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-292017-09-282017-06-292017-03-302016-09-29
Value14.819.810.4-0.6160.174-0.3930.0020.1660.171-0.1090.082-0.059-0.0960.355-0.01
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-272017-12-282016-12-292015-12-312014-12-25
Value24.0922.4720.7219.2517.7416.0513.6410.117.285.344.774.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value2718262728
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-262018-12-272017-12-282016-12-292015-12-31
Value6107000.0402000.00000
Percentage of UnrecognizedTaxBenefits100.0100.00.00.00.00.0

fnd:NegativeLeaseExpenseRelatedToRentAbatementConcessions

fnd:NegativeLeaseExpenseRelatedToRentAbatementConcessions


Negative
Period End2020-12-312020-09-242020-06-25
Value0100000.0100000.0
Percentage of NegativeLeaseExpenseRelatedToRentAbatementConcessions0.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-07-012021-04-01
Value50000.0966000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-07-012021-04-01
Value50000.0966000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:AmortizationOfDeferredHedgeGains

us-gaap:AmortizationOfDeferredHedgeGains


Amortization
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-28
Value-8000.084000.0108000.094000.087000.083000.0123000.0-927000.0640000.0610000.0
Percentage of AmortizationOfDeferredHedgeGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value3200000.0
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value77
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value5000000.0
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value9090000.0
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value213000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value5546-6.4543.813.01119-3.867-2.02614100.62-4.0962.26416-1.8291.8781.17.372-1.921-1.1511.4956.964
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

fnd:AdjacentCategories, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-06-25
Value2.02.01.0
Percentage of ConcentrationRiskPercentage1100.0100.0100.0

fnd:DecorativeAccessories, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value19.020.020.00.190.20.190.190.20.190.19
Percentage of ConcentrationRiskPercentage1950.01000.00.019.00.00.00.00.00.00.0

fnd:InstallationMaterialsAndTools, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value16.017.017.00.160.170.170.170.170.160.16
Percentage of ConcentrationRiskPercentage1800.0850.00.016.00.00.00.00.00.00.0

fnd:LaminateLuxuryVinylPlank, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value25.024.023.00.230.230.220.210.20.190.18
Percentage of ConcentrationRiskPercentage11250.01200.00.023.00.00.00.00.00.00.0

fnd:NaturalStone, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value6.06.06.00.060.060.060.060.070.060.07
Percentage of ConcentrationRiskPercentage1300.0300.00.06.00.00.00.00.00.00.0

fnd:Tile, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-28
Value24.024.025.00.260.240.260.260.260.280.28
Percentage of ConcentrationRiskPercentage11200.01200.00.026.00.00.00.00.00.00.0

fnd:WoodFlooring, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-28
Value8.08.09.00.090.0910.00.10.1
Percentage of ConcentrationRiskPercentage1400.0400.00.09.00.00.00.00.0

us-gaap:ProductAndServiceOther, us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark, us-gaap:ProductConcentrationRisk


Concentration
Period End2021-04-012020-06-252020-03-262019-06-272019-03-28
Value-1.00.010.010.010
Percentage of ConcentrationRiskPercentage1-50.01.00.00.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-07-012021-04-012020-12-31
Value300000.08000000.0-500000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

fnd:SpartanSurfacesInc, fnd:NonCompeteAgreement


Finitelived
Period End2021-06-04
Value0.3
Percentage of FinitelivedIntangibleAssetsAcquired1100.0

fnd:SpartanSurfacesInc, us-gaap:CustomerRelationships


Finitelived
Period End2021-06-04
Value34
Percentage of FinitelivedIntangibleAssetsAcquired111633.3

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges


Gain
Period End2020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-27
Value70000.0-113000.0029000.00-4089000.0-22000.00-23000.0
Percentage of GainLossOnSalesOfAssetsAndAssetImpairmentCharges100.0100.00.0100.00.0100.0100.00.0100.0

us-gaap:IncomeTaxCreditsAndAdjustments

us-gaap:IncomeTaxCreditsAndAdjustments


Income
Period End2020-12-312020-09-242020-06-25
Value300000.0300000.01100000.0
Percentage of IncomeTaxCreditsAndAdjustments100.0100.0100.0

us-gaap:IncomeTaxCreditsAndAdjustments us-gaap:TaxCreditCarryforward

fnd:TaxCreditCarryforwardsRecognizedAsOffsetToGeneralAndAdministrativeExpenses


Income
Period End2020-12-312020-09-242020-06-25
Value00200000.0
Percentage of IncomeTaxCreditsAndAdjustments0.00.018.2

fnd:TaxCreditCarryforwardsRecognizedAsOffsetToSellingAndStoreOperatingExpenses


Income
Period End2020-12-312020-09-242020-06-25
Value300000.0300000.0900000.0
Percentage of IncomeTaxCreditsAndAdjustments100.0100.081.8

us-gaap:IncomeTaxCreditsAndAdjustments us-gaap:TaxCreditCarryforward, us-gaap:UnusualOrInfrequentItem

fnd:TaxCreditCarryforwardsRecognizedAsOffsetToSellingAndStoreOperatingExpenses, fnd:CARESAct


Income
Period End2021-04-01
Value700000.0
Percentage of IncomeTaxCreditsAndAdjustments0.0

fnd:TaxCreditRecognizedAsOffsetToSellingAndStoreOperatingExpenses, fnd:CARESAct


Income
Period End2021-07-012020-06-25
Value300000.0900000.0
Percentage of IncomeTaxCreditsAndAdjustments0.081.8

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value-9.7851.244382.251-37.642128.765-6.412-11.602135.9095.632-6.10.78-8.492-1.899-8.5670.6996.0184.964-7.0814.37
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value-2.861-16.20418402.736-2.478-5.465176.0413.0170.62119-8.986-12.926127.804-3.828-7.073-0.35511142.237
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-28
Value6.2215.544-0.7382.4661.1980.506-2.141.8560.3861.3370.1960.3650.9411.5-3.0784.082
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value-1.18-24.4762.067-0.7325-6.2969.514169.034-12.256-0.1490.063-0.5842.4860.1760.0240.0350.0240.0130.0120.0240.026
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


Increase
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value1.5349.575-4.8661.1753.557-18.74249.6436.759-22.56811143.078-15.7755.426105.117-1.15-0.023105.67-5.135
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 End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value2721000.03026000.0-48000.03199000.03352000.03881000.0-430000.05043000.06198000.06536000.0-394000.07311000.08253000.08951000.0256730.09460400.09057700.05116.0152710.04911700.04513100.03293.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefinitelivedIntangibleAssetsAcquired us-gaap:BusinessAcquisition, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefinitelivedIntangibleAssetsAcquired

fnd:SpartanSurfacesInc, us-gaap:TrademarksAndTradeNames


Indefinitelived
Period End2021-06-04
Value9200000.0
Percentage of IndefinitelivedIntangibleAssetsAcquired100.0

us-gaap:InterestCostsCapitalizedAdjustment

us-gaap:InterestCostsCapitalizedAdjustment


Interest
Period End2021-07-012021-04-012020-06-252020-03-26
Value569000.0581000.089000.0227000.0
Percentage of InterestCostsCapitalizedAdjustment100.0100.0100.0100.0

us-gaap:InterestCostsIncurred

us-gaap:InterestCostsIncurred


Interest
Period End2021-07-012021-04-012020-06-252020-03-26
Value1862000.01969000.02392000.02034000.0
Percentage of InterestCostsIncurred100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-28
Value50477534333359332825
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-07-012021-04-012020-06-252020-03-262019-12-262019-09-262019-06-272019-03-28
Value4037343327292826
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost us-gaap:IncomeStatementLocation

fnd:PreOpeningCosts


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value3.021.6351.7832.231.6832.1911.0461.988
Percentage of OperatingLeaseCost7.54.40.00.04.96.53.86.6

us-gaap:CostOfSales


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value5.6565.665.6675.6765.6555.6745.1364.005
Percentage of OperatingLeaseCost14.015.30.00.016.516.818.613.4

us-gaap:GeneralAndAdministrativeExpense


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value1.031.0291.031.0291.0411.018-0.441.016
Percentage of OperatingLeaseCost2.52.80.00.03.03.0-1.63.4

us-gaap:SellingAndMarketingExpense


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value3028272625242122
Percentage of OperatingLeaseCost76.077.60.00.075.573.779.276.6

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-26
Value3850383227323227
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-28
Value-7000.083000.0108000.089000.092000.068000.0168000.00-213000.0-334000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-06-272019-03-28
Value-7000.083000.089000.092000.068000.0-213000.0-334000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-06-272019-03-282018-12-272018-09-272017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.01.4090.00.04.4532.4290.00.00.170.00.5660.00.9930.0100.0020.180.017
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.00.0100.0100.00.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtRestructuringCosts us-gaap:DebtInstrument

us-gaap:PaymentsOfDebtRestructuringCosts

fnd:TermLoanFacility


Payments
Period End2021-02-09
Value1600000.0
Percentage of PaymentsOfDebtRestructuringCosts100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-07-012021-04-01
Value50000.0966000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

fnd:SpartanSurfacesInc


Payments
Period End2021-06-04
Value63
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0

us-gaap:PreOpeningCosts

us-gaap:PreOpeningCosts


Pre
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value8.996.9977.6045.0273.4335.4346.0148.1846.3694.0278.2538.336.5882.9742.666.72.9584.1672.7435.0462.6273.316
Percentage of PreOpeningCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt

us-gaap:ProceedsFromIssuanceOfSecuredDebt


Proceeds
Period End2021-07-012021-04-012020-12-312020-09-242017-09-282016-09-29
Value0.0650.00.00.00.0
Percentage of ProceedsFromIssuanceOfSecuredDebt0.0100.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans


Proceeds
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value1761000.01302000.001213000.001131000.001026000.001419000.0000
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans100.0100.00.0100.00.0100.00.0100.00.0100.00.00.00.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.00.00.02750.04.81580137477516163862537454346
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value3.9432.3834.0616.5334.8773.7833.7357.9115.3761.7761.2320.6435.4613.1954.5472.4721.7590.096-0.0540.3040.00.034
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfLongTermLinesOfCredit


Repayments
Period End2020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.00.02750.00.04.81778138890665857696050516251
Percentage of RepaymentsOfLongTermLinesOfCredit0.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-05-022017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value0.525751.0990.3610.3620.8750.8750.8750.8750.8750.8750.8750.01.750.8750.8751921940.875970.1670.3660.367
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value1315348382863994579530.00.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:SellingExpense

us-gaap:SellingExpense


Selling
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-292016-09-292016-06-302016-03-31
Value20518919117113815314713613412711910910810210285858074686662
Percentage of SellingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-09-242020-06-252020-03-26
Value0-0.0453.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-242020-06-252020-03-26
Value-56831.056833.0-0.9457.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.02350.0107.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:EmployeeStockOption


Share
Period End2021-07-012021-04-012020-12-312020-03-26
Value048.10.30.384
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:EmployeeStockOption


Share
Period End2021-07-012021-04-012020-12-312020-03-26
Value00.8-0.040.0124
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice


Share
Period End2021-07-012021-04-012020-12-31
Value-4.2944.20.61
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2020-12-31
Value0.46
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:EmployeeStockOption


Share
Period End2021-07-012021-04-01
Value041.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-07-012021-04-012020-12-31
Value-1.7412.220.26
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-07-012021-04-012020-12-31
Value095.680.9
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0100.0100.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:CommonClassA, us-gaap:CommonStock


Shares
Period End2021-07-012021-04-01
Value1000.010000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:StockIssuedDuringPeriodSharesAcquisitions us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesAcquisitions

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-07-01
Value50000.0
Percentage of StockIssuedDuringPeriodSharesAcquisitions100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-07-012021-04-012020-09-242020-03-262019-09-262019-03-28
Value21000.026000.027000.030000.043000.061000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-04-01
Value2000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-07-012021-04-012020-03-26
Value2000.027000.0368000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardGross100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-07-012021-04-012019-06-272019-03-28
Value2000.025000.000
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.00.00.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value409000.0195000.0735000.0838000.0453000.01871000.01090000.0348000.0108000.01124000.0585000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions

us-gaap:StockIssuedDuringPeriodValueAcquisitions


Stock
Period End2021-07-01
Value5000000.0
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-07-01
Value5000000.0
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-07-012021-04-012020-09-242020-03-262019-09-262018-12-312019-03-28
Value1761000.01302000.01213000.01131000.01026000.01400000.01419000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-07-012021-04-012020-09-242020-03-262019-09-262019-03-28
Value1761000.01302000.01213000.01131000.01026000.01419000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value3.9432.3836.5334.8773.7837.915.3761.7760.6445.463.195
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stock
Period End2021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-06-28
Value0.0010.0010.0010.0010.0020.0010.00.001
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-07-012021-04-012020-09-242020-06-252020-03-262019-09-262019-06-272019-03-282018-09-272018-06-282018-03-29
Value3.9432.3826.5324.8763.7827.9085.3751.7760.6445.4593.195
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-28
Value597000.0597000.0922000.0597000.0597000.0597000.0597000.0588000.0606000.0623000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease


Unrecognized
Period End2020-09-242020-06-252020-03-262019-09-262019-06-272019-03-28
Value300000.002200000.00-100000.0100000.0
Percentage of UnrecognizedTaxBenefitsPeriodIncreaseDecrease100.00.0100.00.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-07-012021-04-012020-06-252020-03-26
Value1111109.133
Percentage of VariableLeaseCost100.0100.0100.0100.0

us-gaap:VariableLeaseCost us-gaap:IncomeStatementLocation

fnd:PreOpeningCosts


Variable
Period End2021-07-012021-04-012020-06-252020-03-26
Value0.0020.0680.0850.084
Percentage of VariableLeaseCost0.00.60.80.9

us-gaap:CostOfSales


Variable
Period End2021-07-012021-04-012020-06-252020-03-26
Value1.1841.4081.1351.084
Percentage of VariableLeaseCost10.712.510.911.9

us-gaap:GeneralAndAdministrativeExpense


Variable
Period End2021-07-012021-04-012020-06-252020-03-26
Value-0.110.0220.0450.027
Percentage of VariableLeaseCost-1.00.20.40.3

us-gaap:SellingAndMarketingExpense


Variable
Period End2021-07-012021-04-012020-06-252020-03-26
Value9.9759.7769.1817.938
Percentage of VariableLeaseCost90.386.787.986.9

fnd:AccountsAndOtherReceivablesNetCurrentExpectedRecoveries

fnd:AccountsAndOtherReceivablesNetCurrentExpectedRecoveries


Accounts
Period End2020-12-31
Value24
Percentage of AccountsAndOtherReceivablesNetCurrentExpectedRecoveries100.0

fnd:AccruedConstructionInProgressCosts

fnd:AccruedConstructionInProgressCosts


Accrued
Period End2020-12-312019-12-262018-12-27
Value20109.421
Percentage of AccruedConstructionInProgressCosts100.0100.0100.0

fnd:AccruedLoyaltyProgramLiability

fnd:AccruedLoyaltyProgramLiability


Accrued
Period End2020-12-312019-12-262018-12-27
Value126.6492.274
Percentage of AccruedLoyaltyProgramLiability100.0100.0100.0

fnd:AccruedSalariesAndPayrollTaxes

fnd:AccruedSalariesAndPayrollTaxes


Accrued
Period End2020-12-312019-12-262018-12-27
Value228.3286.936
Percentage of AccruedSalariesAndPayrollTaxes100.0100.0100.0

fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill us-gaap:BusinessAcquisition

fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value93
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill100.0

fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets us-gaap:BusinessAcquisition

fnd:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value3300000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets100.0

fnd:ContractWithCustomerLiabilityDeferredRevenueCurrent

fnd:ContractWithCustomerLiabilityDeferredRevenueCurrent


Contract
Period End2020-09-242019-12-26
Value106.7
Percentage of ContractWithCustomerLiabilityDeferredRevenueCurrent100.0100.0

fnd:ContractWithCustomerLiabilityLoyaltyProgramCurrent

fnd:ContractWithCustomerLiabilityLoyaltyProgramCurrent


Contract
Period End2020-09-242019-12-26
Value106.6
Percentage of ContractWithCustomerLiabilityLoyaltyProgramCurrent100.0100.0

fnd:ContractWithCustomerLiabilityNoncurrentLoyaltyProgram

fnd:ContractWithCustomerLiabilityNoncurrentLoyaltyProgram


Contract
Period End2021-07-012021-04-012020-12-312019-12-26
Value1613126.6
Percentage of ContractWithCustomerLiabilityNoncurrentLoyaltyProgram100.0100.0100.0100.0

fnd:ContractWithCustomerLiabilityNoncurrentUnredeemedGiftCards

fnd:ContractWithCustomerLiabilityNoncurrentUnredeemedGiftCards


Contract
Period End2021-07-012021-04-012020-12-312019-12-26
Value3100000.02800000.02600000.02200000.0
Percentage of ContractWithCustomerLiabilityNoncurrentUnredeemedGiftCards100.0100.0100.0100.0

fnd:DebtInstrumentCarryingAmountCurrent

fnd:DebtInstrumentCarryingAmountCurrent


Debt
Period End2021-04-012020-12-312018-12-272017-12-282016-12-29
Value2103000.01647000.03500000.03500000.03500000.0
Percentage of DebtInstrumentCarryingAmountCurrent100.0100.0100.0100.0100.0

fnd:DebtInstrumentCarryingAmountNoncurrent

fnd:DebtInstrumentCarryingAmountNoncurrent


Debt
Period End2021-04-012020-12-312019-12-262018-12-272017-12-282016-12-29
Value205216145145190396
Percentage of DebtInstrumentCarryingAmountNoncurrent100.0100.0100.0100.0100.0100.0

fnd:DeferredEmployerSocialSecurityTaxesPayable

fnd:DeferredEmployerSocialSecurityTaxesPayable


Deferred
Period End2020-09-242020-06-25
Value7.13.1
Percentage of DeferredEmployerSocialSecurityTaxesPayable100.0100.0

fnd:DeferredTaxAssetsIntangibleAssetsExcludingGoodwill

fnd:DeferredTaxAssetsIntangibleAssetsExcludingGoodwill


Deferred
Period End2020-12-312019-12-262018-12-27
Value268000.0313000.0361000.0
Percentage of DeferredTaxAssetsIntangibleAssetsExcludingGoodwill100.0100.0100.0

fnd:DeferredTaxAssetsLeaseLiabilities

fnd:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-26
Value259233
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.0

fnd:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsGiftCardLiability

fnd:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsGiftCardLiability


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value557000.0453000.0242000.0648000.0858000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsGiftCardLiability100.0100.0100.0100.0100.0

fnd:ExposureToCreditRiskFromCustomers

fnd:ExposureToCreditRiskFromCustomers


Exposure
Period End2020-12-312019-12-262018-12-27
Value1200000.01045000.0251000.0
Percentage of ExposureToCreditRiskFromCustomers100.0100.0100.0

fnd:LesseeOperatingLeaseLeaseNotYetCommencedAmount

fnd:LesseeOperatingLeaseLeaseNotYetCommencedAmount


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value2510813247
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedAmount100.0100.0100.0100.0

fnd:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour

fnd:LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour


Lessee
Period End2021-07-012021-04-012020-09-24
Value858748663
Percentage of LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour100.0100.0100.0

fnd:LesseeOperatingLeaseOptionToExtendAmount

fnd:LesseeOperatingLeaseOptionToExtendAmount


Lessee
Period End2021-07-012021-04-012020-12-31
Value826759
Percentage of LesseeOperatingLeaseOptionToExtendAmount100.0100.0100.0

fnd:LongTermDebtGrossExcludingCurrentMaturities

fnd:LongTermDebtGrossExcludingCurrentMaturities


Long
Period End2021-07-012020-12-31
Value205216
Percentage of LongTermDebtGrossExcludingCurrentMaturities100.0100.0

fnd:LongTermDebtMaturityAfterYearFour

fnd:LongTermDebtMaturityAfterYearFour


Long
Period End2021-07-012021-04-012020-09-242020-06-25
Value197197209209
Percentage of LongTermDebtMaturityAfterYearFour100.0100.0100.0100.0

fnd:ReceivablesExcludingIncomeTaxesNetCurrent

fnd:ReceivablesExcludingIncomeTaxesNetCurrent


Receivables
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-27
Value7260505554506967
Percentage of ReceivablesExcludingIncomeTaxesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0

fnd:RentPaymentsDelayedOrDeferred

fnd:RentPaymentsDelayedOrDeferred


Rent
Period End2020-12-312020-09-242020-06-25
Value5500000.08100000.05900000.0
Percentage of RentPaymentsDelayedOrDeferred100.0100.0100.0

fnd:RentPaymentsDelayedOrDeferred us-gaap:BalanceSheetLocation

fnd:OperatingLeaseLiabilityCurrent


Rent
Period End2020-12-312020-09-242020-06-25
Value4500000.07100000.04900000.0
Percentage of RentPaymentsDelayedOrDeferred81.887.783.1

fnd:SocialSecurityTaxEmployerDeferralCARESAct

fnd:SocialSecurityTaxEmployerDeferralCARESAct


Social
Period End2020-12-31
Value12
Percentage of SocialSecurityTaxEmployerDeferralCARESAct100.0

fnd:SocialSecurityTaxEmployerDeferralCARESAct us-gaap:BalanceSheetLocation

us-gaap:AccruedLiabilities


Social
Period End2020-12-31
Value6.1
Percentage of SocialSecurityTaxEmployerDeferralCARESAct50.4

us-gaap:OtherLiabilities


Social
Period End2020-12-31
Value6.0
Percentage of SocialSecurityTaxEmployerDeferralCARESAct49.6

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


Accounts
Period End2020-12-312019-12-26
Value1119
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0

us-gaap:AccruedBonusesCurrentAndNoncurrent

us-gaap:AccruedBonusesCurrentAndNoncurrent


Accrued
Period End2020-12-312019-12-262018-12-27
Value241812
Percentage of AccruedBonusesCurrentAndNoncurrent100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-262018-12-272017-12-282017-09-282017-06-292017-03-302016-12-292016-03-31
Value300000.0266000.0184000.0349000.0257000.0481000.0259000.0188000.0149000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AreaOfRealEstateProperty us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:AreaOfRealEstateProperty

fnd:WarehouseFormatStore


Area
Period End2021-07-012021-04-012020-12-312020-09-24
Value78000.078000.078000.077000.0
Percentage of AreaOfRealEstateProperty100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value18
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

fnd:SpartanSurfacesInc, fnd:AnnualAdjustedEBITDAMarginTargets


Business
Period End2021-06-04
Value9.0
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh50.0

fnd:SpartanSurfacesInc, fnd:AnnualGrossProfitTargets


Business
Period End2021-06-04
Value9.0
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh50.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value2725000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value12
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value44
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value15
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value388000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value970000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

fnd:SpartanSurfacesInc


Business
Period End2021-06-04
Value77
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-07-012021-04-012020-12-312020-09-242019-12-26
Value4232242315
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerRefundLiabilityCurrent

us-gaap:ContractWithCustomerRefundLiabilityCurrent


Contract
Period End2020-12-312019-12-262018-12-272017-12-28
Value22158.3357.189
Percentage of ContractWithCustomerRefundLiabilityCurrent100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-04-012020-12-312020-09-242020-06-252020-03-262020-02-142019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value207217218219419144145146147150149149164177193191186363400
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

fnd:TermLoanFacility


Debt
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-272017-12-282016-09-30
Value207207143143144144145149152350
Percentage of DebtInstrumentCarryingAmount0.0100.065.765.765.834.5100.0100.078.80.0

fnd:TermLoanFacilityB1


Debt
Period End2020-12-312020-09-242020-06-252019-12-26
Value7475750.0
Percentage of DebtInstrumentCarryingAmount34.334.334.20.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

fnd:SupplementalTermLoanFacility


Debt
Period End2021-02-09
Value65
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtInstrumentFeeAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFeeAmount

fnd:TermLoanFacility


Debt
Period End2021-02-09
Value200000.0
Percentage of DebtInstrumentFeeAmount100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value9.581109.09.3649.7284.4912.8943.0873.283.4733.6663.8594.0524.2454.4384.0564.2258.9159.257
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2021-07-012020-12-31
Value210217
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value5400000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredFinanceCostsGross us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsGross

fnd:TermLoanFacility


Deferred
Period End2021-02-09
Value1400000.0
Percentage of DeferredFinanceCostsGross100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value320268605265
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value292249332537
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value6941000.05283000.03948000.04111000.04050000.0
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value103.7182.8580.8460.047
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value5979000.03984000.03684000.03108000.04179000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value8.2932.82138.99314
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value120000.0139000.0172000.0583000.05299000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-26
Value227203
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value3560000.02651000.02976000.01416000.0504000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value2726272641
Percentage of DeferredTaxLiabilitiesOtherFiniteLivedAssets100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value6235302423
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeStockOption


Employee
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-272017-12-28
Value141616172022192619
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-272017-12-28
Value1415151618201.0930.4890.27
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized102.895.795.094.091.488.35.71.91.4

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-26
Value15156.25.475.8526.096
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized109.291.538.830.529.026.8

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value319000.0289000.0258000.0226000.0194000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

fnd:VendorRelationships


Finite
Period End2020-12-312019-12-262018-12-272017-12-282016-12-29
Value319000.0289000.0258000.0226000.0194000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReceivable

us-gaap:IncomeTaxReceivable


Income
Period End2020-12-31
Value28
Percentage of IncomeTaxReceivable100.0

us-gaap:IncomeTaxReceivable us-gaap:StatementScenario

srt:ScenarioForecast


Income
Period End2020-12-25
Value28
Percentage of IncomeTaxReceivable0.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292016-12-29
Value25270.02.8689.2492.8370.04.32410159.766123.982.0810.0
Percentage of IncomeTaxesReceivable100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2020-12-312019-12-262018-12-272017-12-282017-09-282017-06-292017-03-302016-12-292016-03-31
Value5434000.04468000.04265000.02936000.03357000.02809000.02239000.02449000.02390000.0
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-07-012021-04-012020-12-312020-09-24
Value156141145139
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-07-012021-04-012020-09-24
Value133136135
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

fnd:AssetBasedLoanFacility


Letters
Period End2021-07-01
Value21
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:RevolvingCreditFacility


Letters
Period End2021-04-012020-12-312020-09-24
Value212120
Percentage of LettersOfCreditOutstandingAmount0.00.00.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:RevolvingCreditFacility, fnd:SpartanRevolvingLineOfCreditFacility, us-gaap:LineOfCredit


Line
Period End2021-07-01
Value2.63
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:DebtInstrument

fnd:TermLoanFacility


Line
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262018-12-27
Value2.12.122.152.20.0220.0360.04770.0448
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd79.80.00.00.00.00.00.00.0

fnd:TermLoanFacilityB1


Line
Period End2020-12-312020-09-242020-06-25
Value5.05.00.05
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd0.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:RevolvingCreditFacility, fnd:AssetBasedLoanFacility


Line
Period End2021-07-01
Value370
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:RevolvingCreditFacility, fnd:SpartanRevolvingLineOfCreditFacility


Line
Period End2021-07-01
Value4.6
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity1.2

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

us-gaap:RevolvingCreditFacility


Line
Period End2021-04-012020-12-312020-09-24
Value370378357
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252019-12-26
Value205205215214203145
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Long
Period End2020-12-312020-03-262019-12-262019-09-262019-06-272019-03-282018-12-272018-09-272018-06-282018-03-292017-12-282017-09-282017-06-292017-03-302016-12-29
Value215397145145146148147149164177193191186365400
Percentage of LongTermDebtFairValue100.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value207
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:DebtInstrument

fnd:TermLoanFacility


Long
Period End2020-12-31
Value136
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive65.8

fnd:TermLoanFacilityB1


Long
Period End2020-12-31
Value70
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive34.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-07-012021-04-012020-12-312020-09-24
Value2103000.02103000.01647000.01647000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value2384000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-07-012021-04-012020-12-312020-09-24
Value2103000.02103000.02196000.02196000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-07-012021-04-012020-12-312020-09-24
Value2103000.02103000.02196000.02196000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-07-012021-04-012020-12-312020-09-24
Value2103000.02103000.02196000.02196000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-07-012021-04-012020-09-24
Value4417000.01577000.01098000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:DebtInstrument

fnd:SpartanRevolvingLineOfCreditFacility


Long
Period End2021-07-01
Value3366000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear76.2

fnd:TermLoanFacility


Long
Period End2021-07-01
Value1051000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear23.8

us-gaap:LongTermLoansPayable

us-gaap:LongTermLoansPayable


Long
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-272018-12-27
Value195195207206206138142143140141
Percentage of LongTermLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-07-012021-04-012020-12-312020-09-242020-06-252020-03-262019-12-262019-09-262019-06-27
Value5.25.35.35.30.0535.25.35.20.055
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value3000000.0
Percentage of OperatingLossCarryforwards100.0

us-gaap:SalesAndExciseTaxPayableCurrent

us-gaap:SalesAndExciseTaxPayableCurrent


Sales
Period End2020-12-312019-12-262018-12-272017-12-28
Value2114129.171
Percentage of SalesAndExciseTaxPayableCurrent100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveCurrent


Self
Period End2020-12-312019-12-262018-12-272017-12-28
Value139.3998.2296.39
Percentage of SelfInsuranceReserveCurrent100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

fnd:ServiceBasedShareAwards


Share
Period End2020-12-312019-12-26
Value53.7235.78
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0

fnd:TotalShareholderReturnAwards


Share
Period End2020-12-31
Value44.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue82.4

us-gaap:PerformanceShares


Share
Period End2020-12-31
Value57.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue107.4

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-31
Value59.4
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue110.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-07-012021-04-012020-12-312020-09-242019-12-262018-12-272017-12-282016-12-292015-12-312014-12-25
Value17.3315.0313.2211.038.255.214.524.24.03.85
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-31
Value164
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-31
Value269
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:SharePrice

us-gaap:SharePrice


Share
Period End2020-08-132020-05-222019-12-262019-02-282018-12-272018-09-142018-05-292017-12-282017-11-202017-11-162017-07-252017-05-02
Value67.644.5550.337.526.0137.2545.849.5936.036.040.021.0
Percentage of SharePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermBorrowings

us-gaap:ShortTermBorrowings


Short
Period End2021-07-01
Value3366000.0
Percentage of ShortTermBorrowings100.0

us-gaap:ShortTermBorrowings us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:ShortTermDebtType

us-gaap:RevolvingCreditFacility, fnd:SpartanRevolvingLineOfCreditFacility, us-gaap:LineOfCredit


Short
Period End2021-07-01
Value3366000.0
Percentage of ShortTermBorrowings100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312018-12-272017-12-282016-12-292015-12-31
Value1900000.00000
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.00.00.00.00.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
(None, 'us-gaap:RevenueFromContractWithCustomerProductAndServiceBenchmark', 'us-gaap:ProductConcentrationRisk')
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service, us-gaap: Concentration Risk By Benchmark, us-gaap: Concentration Risk By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Operating Lease Right Of Use Assetus-gaap: Property Plant And Equipment By Type
us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Operating Lease Liability Currentus-gaap: Property Plant And Equipment By Type
us-gaap:DeferredFinanceCostsNoncurrentNet
us-gaap:DebtInstrument
(None,)
Deferred Finance Costs Noncurrent Netus-gaap: Debt Instrument
us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Operating Lease Liability Noncurrentus-gaap: Property Plant And Equipment By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components