MLM


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:GrossProfit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:StatementBusinessSegments
us-gaap:SubsegmentsConsolidationItems

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:OtherAssetsCurrent

us-gaap:MachineryAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:ConstructionInProgressGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:StatementGeographical

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsOtherComprehensiveEarningsTaxEffectPensionAndPostretirementBenefitPlans

mlm:BasicAndDilutedNetIncomeLossAttributableToCommonShareholdersOfReportingEntity
us-gaap:SubsequentEventType
mlm:CashTransferredFromRestrictedToUnrestricted

mlm:EffectiveIncomeTaxPercentageReconciliationChangeInReclassificationFromPartnershipToCorporation

mlm:EffectiveIncomeTaxRateReconciliationChangeInReclassificationFromPartnershipToCorporation
us-gaap:IncomeStatementLocation
mlm:OutOfPeriodExpense

mlm:RemeasurementOfOperatingLeasesRightOfUseAssets
us-gaap:IncomeStatementLocation
mlm:ThirdPartyRailroadTrackMaintenanceExpense

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentRedemptionPricePercentage
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:FinanceLeasePrincipalPayments

us-gaap:GainLossOnDispositionOfAssets
us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:IncomeStatementLocation
us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:PaymentsForProceedsFromLifeInsurancePolicies

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromPolicyLoans

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:ProceedsFromIssuanceOfDebt
us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

mlm:AccountsAndOtherReceivablesGrossCurrent

mlm:AccruedInsuranceAndOtherTaxes

mlm:AccruedOtherTaxesCurrent

mlm:AccruedSalariesBenefitsAndPayrollTaxes

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsPensionAndPostretirementBenefitPlans

mlm:CommonStockPrice
us-gaap:AwardType

mlm:DeferredTaxAssetsLeaseLiability

mlm:DeferredTaxAssetsValuationAndOtherReserves

mlm:DeferredTaxLiabilitiesEmployeeBenefits

mlm:DeferredTaxLiabilitiesRightOfUseAssets
us-gaap:RetirementPlanType
mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax
us-gaap:RetirementPlanType
mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetOfTax
us-gaap:RetirementPlanType
mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax

mlm:FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet

mlm:FiniteLivedIntangibleAssetsAmortizationExpensesAfterYearFour

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightment

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueAfterYearFive

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueNextTwelveMonths

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFive

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFour

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearThree

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearTwo

mlm:GuaranteeObligationsOutstanding

mlm:LandAndLandImprovementsGross

mlm:LesseeOperatingLeaseLiabilityPaymentsDueCurrent

mlm:LesseeOperatingLeaseLiabilityPaymentsDueNoncurrent

mlm:LesseeOperatingLeaseLiabilityUndiscountedFixedPaymentCommitmentsOfLeasesButNotYetCommenced

mlm:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDue

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueAfterYearFive

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueNextTwelveMonths

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFive

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFour

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearThree

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearTwo

mlm:SuretyBonds

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccruedInsuranceNoncurrent
us-gaap:RetirementPlanType
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:BuildingsAndImprovementsGross

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:ConstructionContractorReceivableRetainage

us-gaap:ContractReceivableRetainage

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOtherComprehensiveLoss
us-gaap:StatementEquityComponents
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:StatementScenario, us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanTaxStatus
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:StatementScenario
us-gaap:StatementScenario, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:DueFromAffiliateCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent

us-gaap:InventoryGross

us-gaap:InventoryRawMaterials

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcess

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:CreditFacility
us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:MineralPropertiesGross

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

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherIntangibleAssetsNet

us-gaap:OtherInventorySupplies

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent

us-gaap:OtherReceivablesGrossCurrent
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:RestrictedCash
us-gaap:SubsequentEventType

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Inventories
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Common Stock Shares Outstanding
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.60.60.60.60.60.60.60.6240.6230.6250.6240.6260.6290.6280.6280.6270.6270.6260.630.6330.6330.6330.6430.660.6680.6730.6710.6710.4630.4620.4610.4610.4610.4590.4590.4580.4570.4560.4560.4560.4560.4550.4550.4540.4540.453
us-gaap:CommonStockSharesOutstanding NANA62.3NANANA62.4NANANA62.515NANANA62.873NANANA63.176NANANA64.479NANANA67.293NANANA46.261NANANA46.002NANANA45.726NANANA45.579NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▆▇▇▇▇▇█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁62.462.462.362.362.362.262.462.562.43362.59362.51562.71263.01262.94862.87362.85962.8462.77863.17663.46663.43263.50564.47966.1466.99167.47567.29367.25846.39546.35346.26146.24846.23246.06146.00245.90845.83845.74245.72645.69745.68145.58945.579NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄62.562.5NA62.462.362.5NA62.67962.7262.777NA63.16763.28563.222NA63.15863.14163.319NA63.72363.80264.35NA67.10867.63367.676NA67.49546.52946.315NA46.34946.2646.028NA45.99245.90545.734NA45.79945.79445.584NA45.67845.65745.4
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁62.462.3NA62.362.362.3NA62.5162.56362.584NA62.93263.02162.957NA62.89662.85863.024NA63.45263.53264.158NA66.8367.37367.411NA67.08646.39546.315NA46.24446.12946.028NA45.8645.78145.734NA45.6945.62845.584NA45.52645.46345.4
us-gaap:EarningsPerShareBasic ▆▃▅▇▅▂▄▆▅▃▃▅▅▂█▄▄▃▃▄▄▃▃▄▃▂▃▃▃▁▃▃▃▁▂▃▃▁▂▃▃▁▂▃▃▁3.621.052.92999999999999974.723.490.422.09999999999999963.973.020.681.50999999999999982.862.940.165.9700000000000012.42.260.671.56000000000000052.51.910.71.25999999999999981.751.230.071.020.81.28-0.470.781.550.89-0.610.459999999999999961.360.8-0.810.320000000000000061.070.78-0.390.319999999999999841.131.18-0.54
us-gaap:EarningsPerShareDiluted ▆▃▅▇▅▂▄▆▅▃▃▅▅▂█▄▄▃▃▄▄▃▃▄▃▂▃▃▃▁▃▃▃▁▂▃▃▁▂▃▃▁▂▃▃▁3.611.042.92999999999999974.713.490.412.093.963.010.681.52.852.920.165.952.392.250.671.54999999999999982.491.90.691.26000000000000021.741.220.071.010.791.27-0.470.76999999999999981.540.89-0.610.471.360.8-0.810.320000000000000061.070.78-0.390.320000000000000061.131.18-0.54
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 COGS Ratio us-gaap:ProductOrService mlm:ProductsAndServices█▃▅▇▆▃▄█▆▃▃▆▆▁▃▄▄1295.3921.91110.91240.71189.5891.01024.7011323.161196.135878.305956.0511142.2181128.777753.305911.8321022.487996.843NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 COGS Ratio us-gaap:ProductOrService us-gaap:CargoAndFreight▆▃▄▆▆▄▅█▆▃▃▅▅▁▂▃▄82.660.568.780.781.167.275.73197.08683.33360.6564.16777.42273.62648.69958.64665.24566.681NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:CargoAndFreight,mlm:BuildingMaterialsBusiness▆▃▄▆▆▄▅█▆▃▃▅▅▁▂▄▄76.854.963.175.076.461.470.63591.54377.47355.7559.43772.26468.82144.30653.9761.22962.38NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,mlm:Aggregates,mlm:BuildingMaterialsBusiness,mlm:ProductsAndServices,us-gaap:ReportableSubsegments█▄▅▇▇▄▅█▇▃▄▆▅▁▃▄▄▁801.8572.6677.2766.9754.9570.3635.257818.693757.802541.473577.549687.8665.308425.016515.645590.312577.913451.055NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,mlm:AsphaltAndPaving,mlm:BuildingMaterialsBusiness,mlm:ProductsAndServices,us-gaap:ReportableSubsegments█▁▅█▆▁▄█▅▁▄▆▅▁▅▇▅▂135.312.276.8129.8107.018.168.331131.09982.19815.84669.1999.98383.1416.36576.919110.97382.94321.737NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,mlm:Cement,mlm:BuildingMaterialsBusiness,mlm:ProductsAndServices,us-gaap:ReportableSubsegments▇▆█▇▆▅▅█▆▃▁▃▆▁▂▁▃▂116.5109.6120.8115.6109.5106.6108.124119.609112.3599.01787.27698.223113.14889.18390.27288.4798.93793.554NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments,us-gaap:SubsegmentsConsolidationItems us-gaap:OperatingSegments,mlm:ReadyMixedConcrete,mlm:BuildingMaterialsBusiness,mlm:ProductsAndServices,us-gaap:ReportableSubsegments▇▅▇▆▅▁▄█▅▃▃▆█▃▄▅▅▄268.4235.3262.7254.6245.1189.7223.921271.844241.178211.156213.346254.686277.202218.537231.566240.222241.871222.378NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mlm:BuildingMaterialsBusiness▇▃▅▇▆▃▅█▆▂▃▆▅▁▃▄▄▁▃▄1302.1911.51117.11260.51217.0892.51044.3221355.3691203.229864.881948.2421146.1171129.441732.742902.9981023.827993.495775.282884.7121038.752NANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mlm:MagnesiaSpecialties█▆▄▃▁▅▂▄█▇▇▇▇▆▅▄▆▆▄▅▄▄▂▄▅75.870.962.560.953.665.756.1164.87776.23974.07471.97673.52372.96269.26267.4863.90570.02968.57664.10365.14963.63664.1755.42362.17465.118NA63.32464.34466.72NANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments us-gaap:OperatingSegments,mlm:BuildingMaterialsBusiness,mlm:ProductsAndServices█▃▅▇▇▃▄█▆▂▃▆▆▁▃▄▄▁1225.3856.61054.01185.51140.6831.1973.6871263.8261125.756809.131888.8051073.8531060.62688.436849.028962.598931.115728.014NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Gross Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,us-gaap:Subsegments us-gaap:OperatingSegments,mlm:MagnesiaSpecialties,mlm:ProductsAndServices█▆▄▃▁▅▂▄██▇▇▇▆▆▅▆▆70.065.356.955.248.959.951.01459.33470.37969.17467.24668.36568.15764.86962.80459.88965.72864.302NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mlm:BuildingMaterialsBusinessEastGroup█▁▄▆▅▁▃▇635.3394.9483.2549.3534.5381.9448.2582.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mlm:BuildingMaterialsBusinessWestGroup▆▂▅▇▆▂▄█▅▂▂▅▆▁▃▄▄666.8516.6633.9711.2682.5510.6595.218772.473650.878496.831526.75643.565665.886473.722552.981620.512610.249NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mlm:MagnesiaSpecialties█▆▄▃▁▅▂▄█▇▇▇▇▆▅▄▆▆▄▅▄▄▂▄▅▄▄▄▅75.870.962.560.953.665.756.1164.87776.23974.07471.97673.52372.96269.26267.4863.90570.02968.57664.10365.14963.63664.1755.42362.17465.11863.16463.32464.34466.72NANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments mlm:BuildingMaterialsBusiness▇▃▅▇▆▃▅█▆▂▃▆▅▁▃▄▄1302.1911.51117.11260.51217.0892.51044.3221355.3691203.229864.881948.2421146.1171129.441732.742902.9981023.827993.495NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▇▃▅█▆▂▅▇▆▃▄▅▆▂▅▅▅▃▄▅▅▃▄▄▄▂▃▃▃▁▃▃▃▁▂▃▃▁▂▃▃▁▂307.599.3240.6400.6306.457.8184.535345.263285.88269.221147.041240.662263.95339.081183.414226.964212.85277.15155.454240.355187.74283.769137.364179.498136.98425.571118.573115.95696.241-15.89862.831108.84369.414-23.55739.91991.09559.263-35.32425.13978.99962.995-6.14334.69NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▆▃▄▇▅▂▄▆▅▂▃▅▅▂█▄▄▂▃▄▄▂▃▄▃▂▂▃▃▁▃▃▂▁▁▃▂▁▁▂▂▁228.468.1163.2298.0220.826.3119.985251.142192.46546.10872.289184.613186.97911.642371.007154.524144.79844.59672.684161.036119.81746.78390.305117.61675.8475.5621.07752.60360.124-20.24894.62975.38439.999-26.618-7.15566.08238.102-35.771-19.2848.91641.045-18.6NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▁█0.00.2NANANANA0.0830.049-0.005-0.0270.1150.1320.1260.0170.1150.001-0.037-0.026-0.0540.0190.0630.0920.0450.0370.0430.035-0.0110.0930.104-1.534-0.8160.2050.2621.4880.1380.751.060.9380.2111.1770.0560.282NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▃▄▇▅▂▄▆▅▂▃▅▅▂█▄▄▂▃▄▄▂▃▄▃▂▂▃▃▁▃▃▂▁▁▃▂▁▁▂▂228.468.3163.3298.0220.826.3120.068251.191192.4646.08172.404184.745187.10511.659371.122154.525144.76144.5772.63161.055119.8846.87590.35117.65375.895.5971.06652.69660.228-21.78293.81375.58940.261-28.106-7.01766.83239.162-35.771-19.2850.09141.101NA28.79155.49555.99NA
us-gaap:CostOfGoodsAndServicesSold █▆▇▇▇▆▇█▇▆▆▇▇▅▅▆▆▅▅▆▅▅▅▆▅▄▅▆▄▂▃▄▃▂▃▃▃▂▁▃▂▂▂▂▂▂992.8807.7854.2916.9890.1815.8841.85999.601922.601796.048792.934906.656886.486691.612711.376796.054789.43696.792723.752811.333730.597644.1659.707819.744721.266617.086691.043808.13533.623402.794443.964522.212455.906372.413427.657470.317443.629370.15256.651423.291396.501335.403357.08395.592386.93321.331
us-gaap:GrossProfit ▇▄▆█▇▃▅█▇▃▅▆▆▃▅▆▅▃▅▆▅▃▄▅▄▂▄▄▃▁▃▃▃▁▂▃▃▁▂▃▂▁▂▃▃▁385.1174.7325.4404.5380.5142.4258.582420.645356.867142.907227.284312.984315.917110.392259.102291.678274.094147.067225.063292.568246.701144.634184.849262.505200.15374.261165.33195.593135.60225.835101.032143.108106.77612.58776.414123.584102.08823.82972.957111.46596.45121.10970.803113.809117.719.613
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▆▂▅█▆▁▄▇▅▂▃▅▅▁▄▅▅▂▃▅▄▂▃▄▃▁▃▃▂288.181.4208.3375.9279.026.0156.305314.8239.35937.835116.038209.442238.10412.497163.564204.302194.22756.835136.367230.347175.54864.765122.486165.061120.9085.34799.16297.99283.586NANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit █▆▇██▆▇█▇▆▇▇▇▆▁▇▇▆▇█▇▇▇▇▇▆▇▇▇▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆62.315.925.281.561.40.125.22366.17849.89-4.99121.55829.08952.6012.457-213.73452.76351.98614.52837.5770.86953.43519.7139.26347.48338.929-0.81235.27644.08923.906-8.42414.4322.91515.026-8.4474.80413.4648.557-9.8750.90613.37413.084-6.3842.60214.06117.535-4.984
us-gaap:IncomeTaxesPaidNet NANA46.064.23.31.439.54954.1424.1043.90521.6479.4975.283-7.52759.12863.37927.0246.2442.75334.4336.43810.72115.8786.5625.65618.6789.9442.53.4580.05322.059-4.671-0.9527.0559.656-1.1398.943-4.63421.72-19.37411.1580.38515.929-4.28916.976-8.955
us-gaap:InterestExpense ▆▆▆▆▇▆▇▇▇▇▇█▇█▄▄▅▄▄▄▃▃▃▃▃▃▄▃▁▁▁▁▁▁▁▁▁▁▁▁▁▃▂▂▂▃28.127.428.428.731.229.830.6232.43633.29732.94833.54335.46832.97135.08723.4523.14124.04520.85120.78120.56820.29420.03418.94318.92619.08719.33121.10319.80512.94712.20112.83413.51813.61913.49613.37213.22413.25613.48713.30213.39413.72518.16516.91617.10416.8217.616
us-gaap:InterestPaidNet ▅▂▅▃▆▁▇▂▇▂█▂█▁▄▁38.814.839.121.741.111.945.63216.34548.17317.7552.71717.12354.94112.45829.33811.453NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▃▅▇▅▂▄▆▅▂▃▅▅▂█▄▄▂▃▄▄▂▃▄▃▂▃▃▃▁▂▃▂▁▂▃▂▁▂▂▂▁▂▃▃▁225.865.3183.0294.4217.625.9130.999248.573189.47542.85394.377180.221185.37710.023377.183151.546142.27942.33498.86159.479122.05244.99483.185117.54481.9386.12663.95553.74359.521-21.61836.03371.83641.308-27.83921.53462.92236.751-36.73214.83849.15635.799-17.41414.80351.9954.399-24.18
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▁█0.00.2NANANANA0.0830.049-0.006-0.0270.1030.1320.1260.0170.115-0.007-0.038-0.027-0.063-0.0010.0610.0610.0380.0340.0410.0330.0340.0910.103-1.535-0.8770.2020.259-1.490.190.7471.057-0.9410.2451.1760.055-0.2830.4061.2660.549-0.568
us-gaap:OperatingIncomeLoss ▇▃▅█▆▂▅▇▆▃▄▅▆▂▅▅▅▃▄▅▅▃▄▄▄▂▃▃▃▁▃▃▃▁▂▃▃▁▂▃▃▁▂▃▃▁307.599.3240.6400.6306.457.8184.535345.263285.88269.221147.041240.662263.95339.081183.414226.964212.85277.15155.454240.355187.74283.769137.364179.498136.98425.571118.573115.95696.241-15.89862.831108.84369.414-23.55739.91991.09559.263-35.32425.13978.99962.995-6.14334.6983.85490.65-12.864
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▃▅▅▅▄▅▅▅▃▅▅▅▄▅▅▅▃▅▄▅▅▅▄▅▁▅▅▅█▅▅▅▃▅▅2.62.8-19.83.63.20.4-11.0142.5692.9913.255-22.0764.3921.6031.619-6.1762.9862.522.263-26.1671.576-2.2331.827.1270.075-6.088-0.562-62.923-1.1380.6041.37158.6573.55-1.3061.223-28.7413.161.351NANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▇█▄▆▆▄▆▅▁▅▆▆▇▇▆▅▆▅▅█▇▅▆▆▆▅▅▅▅▄▅▅▅▅▅▅▅▅▅▄▅▅▅▅▄▅8.79.5-3.94.03.8-2.02.391.973-13.2261.5622.544.2487.1228.5033.60.4795.420.5361.69410.568.11.034.0654.4893.011-0.8931.6921.8410.292-3.463-0.116-0.1010.544-0.6230.022-0.620.0421.8550.386-2.146-0.3360.261-0.0130.545-1.3340.6
us-gaap:ProfitLoss ▅▂▄▆▅▁▃▆▄▂▃▄▄▁█▄▄▂225.865.5183.1294.4217.625.9131.082248.622189.46942.82694.48180.353185.50310.04377.298151.539142.24142.307NANANANA83.223117.57881.9796.15963.98953.83459.624-23.15335.15672.03841.567-29.32921.72463.66937.808-37.67315.08350.33235.854-17.69715.20953.25654.948-24.748
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▅▆▇▇▅▆█▇▅▅▇▇▄▅▆▆▄▅▆▅▄▄▆▅▃▄▅▃▂▂▃▂▁▂▃▂▁▁▂▂▁▂▂▂▁1377.9982.41179.61321.41270.6958.21100.4321420.2461279.468938.9551020.2181219.641202.403802.004970.4781087.7321063.524843.859948.8151103.901977.298788.734844.5561082.249921.419691.347856.3731003.723669.225428.629544.996665.32562.682385.0504.071593.901545.717393.979329.608534.756492.952356.512427.883509.401504.63340.944
us-gaap:SellingGeneralAndAdministrativeExpense █▇█▆▆▇▇▇▆▇▆▆▆▆▆▅▆▆▆▄▅▅▅▄▄▄▄▃▂▂▂▂▂▂▂▁▂▁▁▂▁▁▂▁▂▂82.479.884.971.171.278.773.74578.28172.38278.29270.92268.44171.0770.12167.00157.21968.37369.53570.28756.34861.50959.86157.11454.88756.78349.4550.00648.42736.56634.24737.45937.1437.84337.64938.032.09535.27533.02929.75233.48731.66429.23534.86531.23533.55933.571
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ██▇▇▇▇▇▇▇▇▇▇▇▆▆▅▅▅▅▅▅▄▄▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁11223.110659.310580.810435.410226.610503.410131.610223.48510163.65710048.4079551.4199588.1719596.7528948.058992.5117566.7857515.867393.7917300.9057373.2017233.3057058.2876961.7327438.4487499.6547417.6467464.3927338.8583356.0433255.2573259.8263337.1053231.1193154.7753160.9263243.2043226.5333182.1173147.8223158.5583148.9193208.6063074.7433115.7833096.3923244.902
us-gaap:Liabilities █▇▇▇▇█▇▇██▇▇▇▆▆▄▄▄▄▄▄▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂5094.94732.64687.54676.54733.05204.04778.34919.0475066.3875072.9114602.0074645.8434741.2824268.224310.0343232.8033315.3293317.8373158.3153214.8033216.8053112.6512901.5553185.8683189.2213075.4633111.6442963.2451789.0441710.9641684.9071838.2221790.4521744.7181710.6271773.1831809.7291783.8351698.9581673.0071698.321773.861606.4841658.5551679.5951872.007
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▇▇▇▇▇▇▇▇▆▆▅▅▅▅▅▅▄▄▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁11223.110659.310580.810435.410226.610503.410131.610223.48510163.65710048.4079551.4199588.1719596.7528948.058992.5117566.7857515.867393.7917300.9057373.2017233.3057058.2876961.7327438.4487499.6547417.6467464.3927338.8583356.0433255.2573259.8263337.1053231.1193154.7753160.9263243.2043226.5333182.1173147.8223158.5583148.9193208.6063074.7433115.7833096.3923244.902
us-gaap:StockholdersEquity ███▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6125.95923.95890.75756.45491.15296.95350.85301.9725094.8534972.4744946.3634939.3944843.4484676.634679.64331.2214197.7714073.3684139.9784155.3324013.4523942.6514057.2844250.8824308.7734340.5664351.1664373.221564.6991508.7851537.8771460.1491402.1381371.7911410.5451430.4051377.9391359.6771409.3211446.221412.4441393.2091425.441414.8081375.6441332.292
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▄▅▅▅▄▅▄▄▄▄▄▄▄██▃▃▃▃▃▃▂▃▄▅▃▃▃▂▁▁▂▂▁▁▁▁▁▁▁▁▂▁▁▁▂1616.31675.71668.31652.81587.11833.01426.71578.3981533.1211370.1111365.8161454.8081457.1532601.932631.161277.9891244.2971123.2421086.3851191.5251121.929998.3151082.1681641.9711765.2491281.7291288.8161212.798876.701758.214755.366845.669806.485715.733700.401785.107760.331701.944657.85767.416745.568840.361696.211732.116708.466854.711
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▂▂▁▁▃▁▁▁▁▁▁▁██▁▁▁▁▁▁▁▂▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▂53.1313.9207.3116.670.1424.021.049.08753.59537.35744.89253.96133.7791422.3731446.36435.21936.72255.41850.03860.68428.59627.242168.409436.42944.16956.366108.65173.59734.32935.80142.43757.24143.71237.2625.39435.42141.39344.9526.02256.8426.099176.82970.32360.49932.095221.043
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁█▇▄70.3354.8304.4193.7NANA21.049.1NANA44.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▇▂▃▆▆▂▂█▆▂▁▅722.0563.6575.1686.3690.4562.8573.7763.878710.605550.607523.276644.835NANA487.24582.532NANANA566.425534.459448.048410.921577.424497.468381.389421.001523.928343.784242.587245.421331.03287.521202.15224.05296.947275.416212.052203.748259.773269.39203.242183.361249.613257.761202.101
us-gaap:InventoryNet █▇████▇▇▇▇▇▇▇▆▆▅▅▅▄▄▄▄▄▃▄▄▄▄▁▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁729.1690.0709.0714.5712.9700.5690.8649.716646.342646.176663.035651.295650.917606.794600.591576.429549.865537.0521.624508.199504.877485.367469.141464.525479.856505.047484.919475.293348.168354.718347.307350.438348.873347.641332.311335.092331.984333.487322.607337.73336.365331.679331.894323.82319.842322.027
us-gaap:InventoryFinishedGoods ██████▇▇▆▇▇▇▇▆▅▅▄▄▄▃▄▃▃▃▃▃▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁676.7661.4667.0673.1671.5657.1643.6605.912604.654605.785615.719610.663612.161563.315552.999526.404508.144495.793479.291462.698463.807443.47433.649420.027427.298428.783413.766397.684358.759372.567368.334366.558366.32363.61355.881356.849355.455357.953350.685362.924361.377361.956358.138350.842345.33NA
us-gaap:OtherAssetsCurrent ▅▄▄▃▆██▆▇▇▇▆▅▆▅▅▅▃▃▃▃▂▂▂▄▆▂▃▄▃▂▂▃▃▂▂▁▂▁▁▁▂▁▁▁▂94.967.379.858.3113.7145.7141.2115.717122.579135.971134.613104.71796.887106.29896.96583.80987.09251.60956.81356.21753.99737.65833.69737.9682.667103.5629.60749.84478.00751.78845.3829.95547.27549.19740.9330.28126.31232.45324.79920.11422.67339.80627.25326.59126.01836.619
us-gaap:MachineryAndEquipmentGross NANA4782.0NANANA4548.6NANANA4357.705NANANA4006.619NANANA3766.975NANANA3473.826NANANA3568.342NANANA2575.34NANANA2511.222NANANA2407.045NANANA2420.759NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▇▇▇▇▇▇▇▇▆▅▅▄▄▄▄▄▄▄▄▃▃▄▄▄▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁9390.79103.58955.08835.58737.88691.18633.58476.838396.5058339.058294.9638183.4128118.7056523.3646498.0676375.8136306.0836211.8136115.536013.0845896.5125778.3685613.1985488.7445421.4495694.5465691.6765624.7613970.4724001.5053976.8843942.1383843.8063824.6383812.5873775.323739.4753721.3783688.6923662.4463644.583589.8833568.2753541.0583526.4853500.655
us-gaap:ConstructionInProgressGross NANA209.4NANANA258.4NANANA178.668NANANA199.973NANANA167.722NANANA128.301NANANA125.959NANANA92.906NANANA109.054NANANA127.091NANANA92.841NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ███▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁3841.73768.13712.73655.03577.33505.73427.53344.6833263.8233192.3683137.7343080.0173005.2792940.872905.2542854.2362800.8232744.1682692.1352633.4712574.3072515.3872457.1982415.212371.9262329.442288.9062246.812195.0982207.9692177.6432159.522126.422092.5512059.3462024.3791985.6971952.451914.4011975.8051946.8021913.5621880.4451847.8521832.0681805.61
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇▇▇▇▇▇▇▇▇▄▄▄▄▄▄▄▄▄▄▄▃▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁5549.05335.45242.35180.55160.55185.45206.05132.1475132.6825146.6825157.2295103.3955113.4263582.4943592.8133521.5773505.263467.6453423.3953379.6133322.2053262.9813156.03073.5343049.5233365.1063402.773377.9511775.3741793.5361799.2411782.6181717.3861732.0871753.2411750.9411753.7781768.9281774.2911686.6411697.7781676.3211687.831693.2061694.4171695.045
us-gaap:Goodwill █▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2599.62414.02414.02414.52397.52397.12396.82396.9552394.322397.4832399.1182399.4342401.5052160.292160.292160.062160.062159.3982159.3372160.6052136.7832135.2952068.2352065.6442065.8822071.4712068.7992043.32616.621616.621616.621616.634616.303616.35616.204615.986618.874616.729616.671639.039638.759626.527626.527624.224624.224624.224
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill 36.0NA36.0NANANA28.3NANANA29.72730.08730.087NA33.877NANANA28.597NANANA28.757NANANA52.95752.957NANA24.035NANANA0.02384NANANA23.948NANANA9.365NANANA
us-gaap:FiniteLivedIntangibleAssetsNet 689.0NA472.0NANANA458.5NANANA471.555478.889484.599NA472.472NANANA482.715NANANA481.795NANANA542.248546.265NANA24.556NANANA26.593NANANA30.185NANANA8.183NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▃▅▅▆▆▇▇█434.3440.9453.0469.2468.0477.9481.9484.853487.36498.233NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▆▄▃▄▄▃▄▃▃▃▃▃▃▃▄▃▃▄▄▄▄▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁298.9288.9295.2214.1132.5126.7133.4139.509122.35137.703127.974121.558109.982104.56101.899102.573103.004135.777120.476126.408145.712142.281144.777145.888104.056107.386108.80241.80140.45139.14340.00743.14942.27741.05740.64739.8441.33741.29244.87747.25148.19248.23146.62748.67451.00152.059
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent █▆▇▇▆▆▇█▆▆▇▆▆▅▆▅▆▆▆▆▆▅▅▇▆▆▆▇▄▂▃▃▃▂▂▃▃▃▂▂▂▂▁▂▂▁243.6200.0207.8210.7197.2202.0229.6238.559199.181184.844210.808191.381188.761162.328183.638163.597187.227188.399178.598192.738197.733174.398164.718226.837201.235184.066202.476230.206139.44298.775103.6111.26699.9677.0883.53799.628113.308100.08292.2186.32285.41574.91460.33376.99380.23867.281
us-gaap:LiabilitiesCurrent ▆▃▄▄▄█▆▅▆▆▆▆▅▅▅▃▄▅▄▄▄▄▃▄▃▂▃▃▂▁▁▂▁▁▁▁▁▁▁▁▂▁▃▃▃▃758.0448.8499.3506.2595.31075.6838.5688.982822.216757.637786.75772.686709.133650.979694.216468.503534.325631.558546.588604.909601.604492.131367.191575.392363.834343.555396.648436.998244.725193.758210.549226.432192.533168.69173.335217.109199.066185.371173.712197.746262.898158.762385.493426.835414.626395.346
us-gaap:LongTermDebtCurrent 240.1NANANA130.0639.9340.0190.044385.043360.056390.042380.041320.046300.006299.90980.038140.037290.048180.036228.025238.155177.4319.246147.53615.96614.40614.33614.33112.40412.40312.4036.1696.1695.6775.6766.6717.1717.657.1827.15106.9597.101248.714245.423244.147219.583
us-gaap:OperatingLeaseLiabilityCurrent ▁▁▃▇▆██▇▆▅47.147.248.651.951.452.952.751.75151.01150.776NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▆▆▇█▇▆▆▅▅▂▄▃▄▄▅▅▆▃▄▃▃▂▄▄▂▂▅▂▂▁▂99.993.8116.8126.1115.1102.096.475.679.97739.98660.98145.51771.05660.37187.80475.45898.30549.03171.1450.14345.49138.57771.10469.20837.66733.65377.76838.07832.7321.97842.747NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▇▆▆▆▆█▆▇█████▇▇▃▃▄▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2867.32626.52625.82625.22754.53263.82773.62922.8593117.0613161.2843120.4813209.6983218.9223028.1083027.2031722.541781.9811846.2941686.1891764.8351779.2171752.7571572.8951705.1521658.0011581.0231585.3951618.2751084.8011067.9441030.9211113.3611093.3191078.5271047.8591098.7881144.2471134.8281060.0841045.4851085.9151168.6191030.7591031.1291056.085NA
us-gaap:LongTermDebtNoncurrent ▇▇▇▇▇▇▆▇▇█▇██▇▇▄▄▄▃▃▄▄▄▄▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▂2627.22626.52625.82625.22624.52623.92433.62732.8152732.0182801.2282730.4392829.6572898.8762728.1022727.2941642.5021641.9441556.2461506.1531536.811541.0621575.3271553.6491557.6161642.0351566.6171571.0591603.9441072.3971055.5411018.5181107.1921087.151072.851042.1831092.1171137.0761127.1781052.9021038.335978.9561161.518782.045785.706811.9381029.606
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▇▄▁786.3777.6781.5760.4741.2NA733.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▇▇▇▇▇▇▇█████2.32.82.62.52.52.52.52.4662.4173.0223.0492.93412.0223.22.8772.7612.762.5862.6123.0663.0482.9852.8931.6981.661.6171.5822.3932.335.50837.04238.73438.52938.26639.75439.61638.86538.60539.54339.33138.15541.53742.81942.4241.15340.603
us-gaap:OtherLiabilitiesNoncurrent █▇▅▅▅▅▅▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁531.7480.6370.5362.4351.3338.3339.3235.38233.7234.098244.785242.165238.837227.068233.758228.604221.738210.305194.469196.788197.801197.7172.718158.106154.365158.641160.021144.275113.981108.86297.35289.04590.41588.78286.39584.43790.37589.65692.17984.56786.98683.40282.57784.59697.34895.602
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▃▅▅▆▆▇▇█391.7399.1410.4422.3420.7429.2433.9436.698438.932446.128NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA60.3NANANANA68.83865.62363.8770.478NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA55.4NANANANA56.56853.66252.67460.382NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA45.3NANANANA51.649.13148.37657.531NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA42.1NANANANA47.93446.31345.91256.511NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA357.0NANANANA434.19432.382429.013318.147NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ███▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6125.95923.95890.75756.45491.15296.95350.85301.9725094.8534972.4744946.3634939.3944843.4484676.634679.64331.2214197.7714073.3684139.9784155.3324013.4523942.6514057.2844250.8824308.7734340.5664351.1664373.221564.6991508.7851537.8771460.1491402.1381371.7911410.5451430.4051377.9391359.6771409.3211446.221412.4441393.2091425.441414.8081375.6441332.292
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▅▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6128.25926.75893.35758.95493.65299.45353.35304.4385097.274975.4964949.4124942.3284855.474679.834682.4774333.9824200.5314075.9544142.594158.3984016.53945.6364060.1774252.584310.4334342.1834352.7484375.6131566.9991544.2931574.9191498.8831440.6671410.0571450.2991470.0211416.8041398.2821448.8641485.5511450.5991434.7461468.2591457.2281416.7971372.895
us-gaap:CommonStockValue ▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇█████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.60.60.60.60.60.60.60.6240.6230.6250.6240.6260.6290.6280.6280.6270.6270.6260.630.6330.6330.6330.6430.660.6680.6730.6710.6710.4630.4620.4610.4610.4610.4590.4590.4580.4570.4560.4560.4560.4560.4550.4550.4540.4540.453
us-gaap:AdditionalPaidInCapitalCommonStock ████████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3451.13441.73440.83433.93431.03423.13418.83414.4663416.593406.4563396.0593391.1333389.0283381.283368.0073362.7443355.9923349.8133334.4613326.5313318.8593302.2583287.8273283.23274.0983255.8093243.6193239.709456.989442.551432.792431.122429.936421.024414.657408.898404.074405.473401.864400.855397.575400.972396.485395.853392.519386.211
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▇▆▅▅▅▅▄▄▄▄▃▃▂▂▁▂▂▁▁▁▂▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂2827.22637.22607.72460.52201.72018.62077.22021.6471814.9741705.7171693.2591669.1261579.6741422.2071440.0691090.778967.058851.354935.574932.679800.028743.593874.4361079.7641146.8211190.8071213.0351176.1211149.3881108.5161148.7381131.2761077.9981055.2561101.5981098.5291054.0481035.7391090.8911094.4691063.7321046.3461082.161085.751052.1591016.156
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▄████▄▄▄▄▆▆▆▅██▇▇▆▆▆-153.0-155.6-158.4-138.6-142.2-145.4-145.8-134.765-137.334-140.324-143.579-121.491-125.883-127.485-129.104-122.928-125.906-128.425-130.687-104.511-106.068-103.833-105.622-112.742-112.814-106.723-106.159-43.281-42.141-42.744-44.114-102.71-106.257-104.948-106.169-77.48-80.64-81.991-83.89-49.56-49.319-54.564-53.66-67.249-69.488-70.528
us-gaap:MinorityInterest ▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▇▇▇▇▇▇▇█████2.32.82.62.52.52.52.52.4662.4173.0223.0492.93412.0223.22.8772.7612.762.5862.6123.0663.0482.9852.8931.6981.661.6171.5822.3932.335.50837.04238.73438.52938.26639.75439.61638.86538.60539.54339.33138.15541.53742.81942.4241.15340.603
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▆▆▅▂▄▇▄▄▅█▄▄▄▆▄▄▅▆▂▃▃▄▂▂▃▂▂▁▂▁▁▁▂▁▁▁▂▁▂▂▂▂9.910.97.62.77.212.55.6866.1648.69813.5526.1695.9867.3389.766.7625.9717.45210.2753.3144.3665.5737.2282.8673.1984.6182.9062.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.777NANANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders 0.5NANANANANA0.00.00.6NANANANANANANANANANANANANANANANANANANANANANANANANA0.00.0NANA0.00.0-2.01.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅█▇▆▃▇▇▅▃▆▅▄▃▆▅▄▂▆▅▄▂▆▅▃▂▄▄▂▁▄▃▂▁▃▃▂▁▃▃▂▁▂▃▂▂249.3191.9366.0999999999999310.8266.5106.7316.302316.067215.867117.864263.61203.505133.021105.012239.48188.799155.55374.046264.586210.697136.36367.008253.572192.5191.94435.125180.03131.26563.7516.612143.306117.17329.89718.575100.64594.37531.988-4.31979.224123.19435.3521.32667.197116.33659.15427.121
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▇▆▇▇▇▆▇▇▆▆▇▁▇▆▆▇▆▆▆▆▆▆█▇▇▇▇▇▇▇▆▇▇▇▇▇▇▆▇▇▇▇▇▇▇-734.8-88.3-218.0-20.9-75.3-95.5-109.228-74.787-74.349-127.536-109.584-63.291-1681.699-93.632-101.648-98.631-84.644-101.556-100.605-129.069-115.272-210.367-112.005335.474-71.532-63.391-84.476117.322-46.609-35.562-47.581-115.594-28.445-22.929-45.008-35.811-27.003-35.388-101.654-33.845-74.884-28.541-40.575-40.813-41.335-51.459
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▂▁▅▂▂▃▃▂▃▄▃█▃▃▃▂▃▃▃▂▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▂▃201.0-53.2-37.4-166.3-545.1391.8-235.169-245.788-125.282.137-163.095-120.032160.084-35.3711273.313-91.671-89.60532.89-174.627-49.54-19.7372.192-409.587-135.724-32.609-24.019-60.5-209.319-18.61422.314-110.52911.955.016.22-65.664-64.536-8.54258.635-8.388-58.608-111.196113.721-16.798-47.119-206.767-18.21
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▇▇▇▅█▆▆▆▆▆▇▁▆-284.550.4110.7123.6-353.9403.0-28.095-4.50816.238-7.535-9.06920.182-1388.594-23.991NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▇▇▇▇▇▇▇▆▇▇█▇▇▁▇▇▇▇▇▇▇█▇▇▇▇█▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▇▇8.1-4.719.018.23.43.211.04824.745-11.1744.78116.2353.84712.9572.029-245.5994.079-0.3632.8277.21625.44516.40117.98841.9399.386.13227.7745.32251.403-1.37-5.0634.9199.9125.8893.3932.3524.87.499-0.7224.966-2.8785.8863.35-15.42312.3343.840.957
us-gaap:DepreciationDepletionAndAmortization █▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁107.998.6101.398.898.495.094.52694.98892.77589.21190.83389.65586.72476.82175.74475.31675.72670.37673.25672.3871.20768.4163.65264.97767.6967.26868.66767.93243.68142.46643.66444.10542.94943.04344.22644.2544.33744.39843.73443.2243.15943.29445.59145.44645.53244.968
us-gaap:IncreaseDecreaseInAccountsReceivable ▇▄▃▄▇▄▁▆█▅▂▄█▄▃▅▆▅▃▅▆▅▁▆▇▄▃▅▇▅▃▅▆▄▃▅▆▅▃▄▆▅▃▄▆▅149.3-11.5-110.6-12.9127.6-10.2-190.20253.526161.01726.059-121.559-25.427178.554-20.951-95.29311.91491.40321.305-108.77616.32487.82929.695-167.36378.993116.067-40.006-103.48921.228101.745-2.834-85.61142.96985.438-20.273-72.89621.5363.3648.304-58.596-9.61668.26719.32-66.252-8.14855.6639.286
us-gaap:IncreaseDecreaseInInventories ▁▁▃▃▅▄█▃▃▁▅▃▃▄▆▆▅▅▅▃▅▅▄▂▄▅▅▃▃▄▃▃▃▅▃▄▃▄▃▃▄▃▄▄▃▂-17.9-19.0-3.30.912.19.641.2732.1710.672-16.41613.9690.882-1.748.87324.16226.56412.86515.37513.4250.82519.63613.4953.875-10.0118.5919.07113.303-5.552-3.1427.411-3.132-1.0671.23214.606-2.8463.108-1.50310.8810.6761.3633.284-0.2167.6473.977-2.184-10.681
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▃▄▄▅▁▅▅▄▁▅▅█▃▄▄▃▂▄▃▄▃▅▄▃▂▆▄▃▃▃▄▃▃▃▄▃▄▄▅▃▃▄▄▄▄▃-17.325.425.146.6-85.033.534.027.545-68.68341.33834.938150.62-16.03610.42119.865-4.534-53.6223.67-8.6531.051-11.80534.326.465-18.495-40.02769.09727.927-29.05-16.713-0.87421.78-21.548-2.445-1.58528.367-17.91911.4061.6337.72-20.542-7.5653.12827.1790.4753.351-16.465
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅█▇▆▃▇▇▅▃▆▅▄▃▆▅▄▂▆▅▄▂▆▅▃▂▄▄▂▁▄▃▂▁▃▃▂▁▃▃▂▁▂▃▂▂249.3191.9366.0999999999999310.8266.5106.7316.302316.067215.867117.864263.61203.505133.021105.012239.48188.799155.55374.046264.586210.697136.36367.008253.572192.5191.94435.125180.03131.26563.7516.612143.306117.17329.89718.575100.64594.37531.988-4.31979.224123.19435.3521.32667.197116.33659.15427.121
us-gaap:NetIncomeLoss ▅▃▅▇▅▂▄▆▅▂▃▅▅▂█▄▄▂▃▄▄▂▃▄▃▂▃▃▃▁▂▃▂▁▂▃▂▁▂▂▂▁▂▃▃▁225.865.3183.0294.4217.625.9130.999248.573189.47542.85394.377180.221185.37710.023377.183151.546142.27942.33498.86159.479122.05244.99483.185117.54481.9386.12663.95553.74359.521-21.61836.03371.83641.308-27.83921.53462.92236.751-36.73214.83849.15635.799-17.41414.80351.9954.399-24.18
us-gaap:ProfitLoss ▅▂▄▆▅▁▃▆▄▂▃▄▄▁█▄▄▂225.865.5183.1294.4217.625.9131.082248.622189.46942.82694.48180.353185.50310.04377.298151.539142.24142.307NANANANA83.223117.57881.9796.15963.98953.83459.624-23.15335.15672.03841.567-29.32921.72463.66937.808-37.67315.08350.33235.854-17.69715.20953.25654.948-24.748
us-gaap:ShareBasedCompensation ▆▆▅▂▄▇▄▄▅█▄▄▄▆▄▄▅▆▂▃▃▄▂▂▃▂▂▁▂▁▁▁▂▁▁▁▂▁▂▂▂▂▂▂▃▃9.910.97.62.77.212.55.6866.1648.69813.5526.1695.9867.3389.766.7625.9717.45210.2753.3144.3665.5737.2282.8673.1984.6172.9072.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.7772.9913.2414.5493.894
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▇▆▇▇▇▆▇▇▆▆▇▁▇▆▆▇▆▆▆▆▆▆█▇▇▇▇▇▇▇▆▇▇▇▇▇▇▆▇▇▇▇▇▇▇-734.8-88.3-218.0-20.9-75.3-95.5-109.228-74.787-74.349-127.536-109.584-63.291-1681.699-93.632-101.648-98.631-84.644-101.556-100.605-129.069-115.272-210.367-112.005335.474-71.532-63.391-84.476117.322-46.609-35.562-47.581-115.594-28.445-22.929-45.008-35.811-27.003-35.388-101.654-33.845-74.884-28.541-40.575-40.813-41.335-51.459
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▇▇▄▄▆▇▄▅█▇▄▆▆▆▆▇▆▆▄▇▆▆▅▄▃▆▃▃▂▃▃▁▁▃▂▁▂▄▂▁▂▁▂▂▁102.7110.3108.975.171.6104.1110.50275.54677.396130.056113.79973.88592.01196.259101.5892.656113.994102.095101.78674.922116.33194.228105.78584.45771.90556.08593.61353.83347.82436.91352.89152.3428.12221.8845.08239.6928.73337.51861.84534.7928.05430.67425.89241.4743.53325.021
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▃▂▁▅▂▂▃▃▂▃▄▃█▃▃▃▂▃▃▃▂▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▃▂▃201.0-53.2-37.4-166.3-545.1391.8-235.169-245.788-125.282.137-163.095-120.032160.084-35.3711273.313-91.671-89.60532.89-174.627-49.54-19.7372.192-409.587-135.724-32.609-24.019-60.5-209.319-18.61422.314-110.52911.955.016.22-65.664-64.536-8.54258.635-8.388-58.608-111.196113.721-16.798-47.119-206.767-18.21
us-gaap:PaymentsOfDividendsCommonStock ████▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▅▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁35.736.135.535.434.634.834.57334.61230.2230.39530.24630.39527.9127.88527.89127.82626.57526.5626.74126.82825.6225.84726.24326.93425.93128.35427.04127.00918.6518.60418.57118.55818.56518.50318.46518.44118.44118.4218.41618.41918.41318.418.39318.39818.39718.362
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.050.040.9127.288NANA40.0NANANA0.00.00.099.99969.2280.040.0150.0262.288157.674NANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value600000.0600000.0600000.0600000.0600000.0600000.0600000.0624000.0623000.0625000.0624000.0626000.0629000.0628000.0628000.0627000.0627000.0626000.0630000.0633000.0633000.0633000.0643000.0660000.0668000.0673000.0671000.0671000.0463000.0462000.0461000.0461000.0461000.0459000.0459000.0458000.0457000.0456000.0456000.0456000.0456000.0455000.0455000.0454000.0454000.0453000.0453000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value626262626364674646454545
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value62626262626262626262626263626262626263636363646666676767464646464646464545454545454545454141
Percentage of CommonStockSharesOutstanding0.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6262626262626262636363636363636364676767674646464646454545454545454545
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6262626262626262626362626263636364666767674646464646454545454545454545
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.621.052.934.723.490.422.13.973.020.681.512.862.940.165.972.42.260.671.562.51.910.71.261.751.230.071.020.81.28-0.470.781.550.89-0.610.461.360.8-0.810.321.070.78-0.390.321.131.18-0.54
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.611.042.934.713.490.412.093.963.010.681.52.852.920.165.952.392.250.671.552.491.90.691.261.741.220.071.010.791.27-0.470.771.540.89-0.610.471.360.8-0.810.321.070.78-0.390.321.131.18-0.54
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value228681632982202611925119246721841861137115414444721611194690117755.5621.0775260-20.248947539-26.618-7.1556638-35.771-19.284841-18.6
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.66.913.822.617.42.710.917.715.04.97.115.115.61.538.214.213.65.37.714.612.35.910.710.98.20.80.15.29.0-4.717.411.37.1-6.9-1.411.17.0-9.1-5.89.18.3-5.2

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0200000.083000.049000.0-5000.0-27000.0115000.0132000.0126000.017000.0115000.01000.0-37000.0-26000.0-54000.019000.063000.092000.045000.037000.043000.035000.0-11000.093000.0104000.0-1534000.0-816000.0205000.0262000.01488000.0138000.0750000.01060000.0938000.0211000.01177000.056000.0282000.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.0-0.00.00.00.00.00.00.0-0.0-0.0-0.00.00.00.00.00.00.00.0-0.00.00.0-0.4-0.10.00.00.40.00.10.20.20.10.20.00.1

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value228681632982202612025119246721841871137115414444721611194690117755.5971.0665260-21.782937540-28.106-7.0176639-35.771-19.285041285555
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.67.013.822.617.42.710.917.715.04.97.115.115.61.538.214.213.65.37.714.612.35.910.710.98.20.80.15.39.0-5.117.211.47.2-7.3-1.411.37.2-9.1-5.89.48.36.710.911.1

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value992807854916890815841999922796792906886691711796789696723811730644659819721617691808533402443522455372427470443370256423396335357395386321
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.182.272.469.470.185.176.570.472.184.877.774.373.786.273.373.274.282.676.373.574.881.778.175.778.389.380.780.579.794.081.578.581.096.784.879.281.394.077.979.280.494.183.577.776.794.2

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

mlm:ProductsAndServices


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value910746784836807747764901838734727828812641652730722
Percentage of CostOfGoodsAndServicesSold91.792.491.991.290.791.690.890.290.992.291.891.391.692.891.791.891.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.075.966.563.363.578.069.563.565.578.271.367.967.680.067.267.267.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mlm:ProductsAndServices70.380.90.067.467.983.90.068.270.183.60.072.572.085.20.071.472.4

us-gaap:CargoAndFreight


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8261698082687797846165787449596567
Percentage of CostOfGoodsAndServicesSold8.37.68.18.89.38.49.29.89.17.88.28.78.47.28.38.28.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.35.96.16.57.17.06.96.66.66.46.46.26.26.16.06.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CargoAndFreight100.2102.00.0100.1102.0101.80.0100.7101.1102.00.0101.5100.6102.70.0100.5100.8

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value38517432540438014225842035614222731231511025929127414722529224614418426220074165195135251011431061276123102237211196217011311719
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.917.827.630.629.914.923.529.627.915.222.325.726.313.826.726.825.817.423.726.525.218.321.924.321.710.719.319.520.36.018.521.519.03.315.220.818.76.022.120.819.65.916.522.323.35.8

us-gaap:GrossProfit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.5-0.83.20.74.5-1.01.5541.7250.195-0.4743.098-0.5793.1681.8843.5893.4460.314-0.4390.51-3.193-1.515-3.89810-6.91-5.989-3.6292.928-0.8020.464
Percentage of GrossProfit0.1-0.51.00.21.2-0.70.60.40.1-0.31.4-0.21.01.71.41.20.1-0.30.2-1.1-0.6-2.75.6-2.6-3.0-4.91.8-0.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.10.30.10.4-0.10.10.10.0-0.10.3-0.00.30.20.40.30.0-0.10.1-0.3-0.2-0.51.2-0.6-0.6-0.50.3-0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:BuildingMaterialsBusiness


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.7-0.30.10.9-0.3-0.3-0.5780.3170.227-0.165-0.173-0.0470.598-0.1190.5621.0120.621
Percentage of GrossProfit0.2-0.20.00.2-0.1-0.2-0.20.10.1-0.1-0.1-0.00.2-0.10.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.00.00.1-0.0-0.0-0.10.00.0-0.0-0.0-0.00.0-0.00.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:BuildingMaterialsBusiness0.9-0.50.01.2-0.4-0.50.00.30.3-0.30.0-0.10.9-0.30.01.71.0

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:MagnesiaSpecialties


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.9-0.9-0.8999999999999996-1.0-1.3-0.9-0.774-0.987-1.174-1.065-0.943-1.076-1.028-1.174-1.076-1.362-1.174
Percentage of GrossProfit-0.2-0.5-0.3-0.2-0.3-0.6-0.3-0.2-0.3-0.7-0.4-0.3-0.3-1.1-0.4-0.5-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:MagnesiaSpecialties-15.5-16.10.0-17.5-27.7-15.50.0-17.8-20.0-21.70.0-20.9-21.4-26.70.0-33.9-27.3

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, mlm:Aggregates, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value27312120827926893171287251971462091985316018717378
Percentage of GrossProfit70.969.764.069.070.465.666.368.270.568.364.366.862.848.062.064.163.153.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.812.417.621.121.19.715.620.219.710.414.317.116.56.616.617.216.39.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:Aggregates mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments34.021.30.036.435.516.40.035.133.218.00.030.429.812.50.031.729.917.5

us-gaap:OperatingSegments, mlm:AsphaltAndPaving, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value28-8.2143221-8.1123115-7.829162518-7.639202820-4.74
Percentage of GrossProfit7.5-4.74.38.15.8-5.74.77.44.4-5.57.28.25.9-6.97.89.97.4-3.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.1-0.81.22.51.7-0.81.12.21.2-0.81.62.11.5-1.02.12.71.9-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:AsphaltAndPaving mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments21.2-67.20.025.120.5-44.80.023.719.2-49.40.025.622.3-46.70.026.024.5-21.8

us-gaap:OperatingSegments, mlm:Cement, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value361553464327384842132832412329272930
Percentage of GrossProfit9.48.816.511.511.419.215.011.511.89.612.610.413.121.511.49.410.720.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.61.64.63.53.42.83.53.43.31.52.82.73.43.03.02.52.83.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:Cement mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments31.014.00.040.239.625.60.040.637.613.90.033.136.526.60.031.029.732.9

us-gaap:OperatingSegments, mlm:ReadyMixedConcrete, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value19192224265.9162819147.94920291521232619
Percentage of GrossProfit5.011.17.06.16.94.16.36.95.310.13.56.69.514.28.18.29.813.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.42.01.91.92.10.61.52.01.51.50.81.72.52.02.22.22.52.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:ReadyMixedConcrete mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments7.18.20.09.710.63.10.010.67.96.90.08.110.87.20.010.011.18.9

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusiness


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value35714829838335911823839532811719828728884231268250125203273227126
Percentage of GrossProfit92.984.791.894.994.483.092.194.192.182.587.592.091.576.789.592.091.385.190.393.692.187.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.015.125.329.028.312.321.627.925.712.619.523.624.010.623.924.723.514.821.424.823.316.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusiness27.516.20.030.429.513.20.029.227.313.60.025.125.611.50.026.225.216.10.026.40.00.0

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value27272320162518232825252523232319232221222122171921222023
Percentage of GrossProfit7.015.77.24.94.417.77.35.57.917.911.18.27.521.69.16.88.615.29.77.88.815.99.77.410.613.510.217.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.82.01.51.32.61.71.62.22.72.52.12.03.02.41.82.22.62.32.12.22.92.11.82.32.62.03.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:MagnesiaSpecialties35.638.80.032.831.538.40.035.536.834.50.035.032.734.50.031.233.732.50.035.134.135.80.031.232.60.031.135.1

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value35614829838235911823839532811819928728884231267249124
Percentage of GrossProfit92.784.991.894.794.583.292.394.092.082.687.692.091.376.889.391.691.084.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.915.125.329.028.312.421.727.925.712.619.523.624.010.623.824.623.514.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusiness mlm:ProductsAndServices29.117.30.032.331.514.30.031.329.214.60.026.827.212.30.027.826.817.1

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties, mlm:ProductsAndServices


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value272824211826192329262626242524212423
Percentage of GrossProfit7.216.37.55.24.818.37.65.78.218.611.58.67.922.79.57.39.015.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.92.11.61.42.71.81.72.32.82.62.22.13.12.52.02.32.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:MagnesiaSpecialties mlm:ProductsAndServices39.943.50.038.037.243.60.040.441.538.50.039.236.538.60.035.537.736.3

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value2888120837527926156314239371162092381216320419456136230175641221651205.347999783
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.98.317.728.422.02.714.222.218.74.011.417.219.81.616.918.818.36.714.420.918.08.214.515.313.10.811.69.812.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value62152581610.1256649-4.9912129522.457-213.73452511437705319394738-0.812354423-8.424142215-8.4474.804138.557-9.8750.9061313-6.3842.6021417-4.984
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.51.62.16.24.80.02.34.73.9-0.52.12.44.40.3-22.04.94.91.74.06.45.52.54.64.44.2-0.14.14.43.6-2.02.63.42.7-2.21.02.31.6-2.50.32.52.7-1.80.62.83.5-1.5

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-03-31
Value-0.8-0.7-1.8-1.1-0.8-0.8-0.911-0.899-0.922-0.868-0.752-1.326-0.661-0.658-1.17-1.193-1.184-1.185-1.272-0.942-0.96-0.944-1.853-1.042-2.647-1.016-0.0050.1821.24
Percentage of IncomeTaxExpenseBenefit-1.3-4.4-7.1-1.3-1.3-800.0-3.6-1.4-1.817.4-3.5-4.6-1.3-26.80.5-2.3-2.3-8.2-3.4-1.3-1.8-4.8-4.7-2.2-6.8125.1-0.0-2.2-14.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.3-0.1-0.00.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46643.31.439544.1043.905219.4975.283-7.5275963276.2442343610156.5625.656189.9442.53.4580.05322-4.671-0.9527.0559.656-1.1398.943-4.63421-19.374110.38515-4.28916-8.955
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.90.30.13.63.80.30.42.10.80.4-0.96.15.82.50.74.53.13.71.41.90.60.62.71.20.20.50.04.0-0.7-0.21.81.9-0.21.6-1.26.6-3.62.30.13.7-0.83.4-2.6

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value28272828312930323332333532352323242020202020181819192119121212131313131313131313131816171617
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.82.42.22.53.12.82.32.63.53.32.92.74.42.42.12.32.52.21.92.12.52.21.72.12.82.52.01.92.82.42.02.43.52.72.22.43.44.02.52.85.14.03.43.35.2

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value38143921411145164817521754122911
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.81.53.31.63.21.24.11.23.81.95.21.44.61.63.01.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value225651832942172513024818942941801851037715114242981591224483117816.126635359-21.618367141-27.839216236-36.732144935-17.414145154-24.18
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.010.414.412.55.79.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.93.510.210.8-7.1

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0200000.083000.049000.0-6000.0-27000.0103000.0132000.0126000.017000.0115000.0-7000.0-38000.0-27000.0-63000.0-1000.061000.061000.038000.034000.041000.033000.034000.091000.0103000.0-1535000.0-877000.0202000.0259000.0-1490000.0190000.0747000.01057000.0-941000.0245000.01176000.055000.0-283000.0406000.01266000.0549000.0-568000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.0-0.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.0-0.4-0.20.00.0-0.40.00.10.2-0.20.10.20.0-0.10.10.20.1-0.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3079924040030657184345285691472402633918322621277155240187831371791362511811596-15.8986210869-23.557399159-35.324257862-6.143348390-12.864
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.310.120.430.324.16.016.824.322.37.414.419.722.04.918.920.920.09.116.421.819.210.616.316.614.93.713.811.614.4-3.711.516.412.3-6.17.915.310.9-9.07.614.812.8-1.78.116.518.0-3.8

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-15.2-17.8-18.0-9.5-9.9-21.4-21.137-22.39-23.926-25.446-20.365-21.445-20.981-25.315-26.483-11.265-20.454-27.42-23.969-17.567-22.298-23.302-6.874-21.05-25.124-13.195-9.138-83.648-11.608
Percentage of OperatingIncomeLoss-4.9-17.9-7.5-2.4-3.2-37.0-11.5-6.5-8.4-36.8-13.8-8.9-7.9-64.8-14.4-5.0-9.6-35.5-15.4-7.3-11.9-27.8-5.0-11.7-18.3-51.6-7.7-72.1-12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.1-1.8-1.5-0.7-0.8-2.2-1.9-1.6-1.9-2.7-2.0-1.8-1.7-3.2-2.7-1.0-1.9-3.2-2.5-1.6-2.3-3.0-0.8-1.9-2.7-1.9-1.1-8.3-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessEastGroup


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1976113618116934110190
Percentage of OperatingIncomeLoss64.362.156.545.355.560.260.055.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.46.311.513.713.43.610.113.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessEastGroup31.115.60.033.031.89.10.032.8

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessWestGroup


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value101311032121332278156110194592122349096112
Percentage of OperatingIncomeLoss33.132.142.953.043.539.342.645.338.628.831.238.346.589.449.242.552.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.43.28.716.110.52.47.111.08.62.14.57.610.24.49.38.910.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessWestGroup15.36.20.029.919.54.40.020.216.94.00.014.318.47.40.015.618.4

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value2323191613211520252222232121201721191820192015161817191720
Percentage of OperatingIncomeLoss7.523.78.14.14.337.58.55.88.832.715.19.78.154.311.47.89.925.812.28.510.224.511.29.513.769.616.715.321.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.41.71.21.02.31.41.42.02.42.21.91.82.62.11.62.02.42.01.82.02.61.81.62.02.62.31.83.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:MagnesiaSpecialties30.533.10.026.924.633.00.031.033.130.60.031.729.230.70.027.530.229.00.031.330.232.00.027.328.828.20.027.531.5

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

mlm:BuildingMaterialsBusiness


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value29993239393303571903472847214523826343189220212
Percentage of OperatingIncomeLoss97.494.399.498.398.999.5103.0100.799.5104.198.899.299.9110.4103.197.299.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.79.520.329.823.96.017.324.522.27.714.219.621.95.419.520.320.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mlm:BuildingMaterialsBusiness23.010.30.031.224.96.40.025.623.78.30.020.823.35.90.021.621.4

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2.62.8-19.83.63.20.4-11.0142.5692.9913.255-22.0764.3921.6031.619-6.1762.9862.522.263-26.1671.576-2.2331.827.1270.075-6.088-0.562-62.923-1.1380.6041.371583.55-1.3061.223-28.7413.161.351
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.3-1.70.30.30.0-1.00.20.20.3-2.20.40.10.2-0.60.30.20.3-2.80.1-0.20.20.80.0-0.7-0.1-7.3-0.10.10.310.80.5-0.20.3-5.70.50.2

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value2.62.8-19.83.63.20.4-11.0142.5692.993.255-22.0884.3921.6021.619-6.1762.9782.5192.262-26.1761.557-2.2351.7897.120.072-6.091-0.564-62.878-1.140.6031.37583.547-1.3091.221-28.6893.16
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.099.9100.0100.099.7100.0100.0100.098.8100.198.399.996.0100.0100.499.9100.299.899.999.999.9100.299.899.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.3-1.70.30.30.0-1.00.20.20.3-2.20.40.10.2-0.60.30.20.3-2.80.1-0.20.20.80.0-0.7-0.1-7.3-0.10.10.310.80.5-0.20.3-5.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value2.62.8-19.83.63.20.4-11.0142.5692.993.255-22.0884.3921.6021.619-6.1762.9782.5192.262-26.1761.557-2.2351.7897.120.072-6.091-0.564-62.878-1.140.6031.37583.547-1.3091.221-28.6893.16
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.099.9100.0100.099.7100.0100.0100.098.8100.198.399.996.0100.0100.499.9100.299.899.999.999.9100.299.899.8100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.3-1.70.30.30.0-1.00.20.20.3-2.20.40.10.2-0.60.30.20.3-2.80.1-0.20.20.80.0-0.7-0.1-7.3-0.10.10.310.80.5-0.20.3-5.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.79.5-3.94.03.8-2.02.391.973-13.2261.5622.544.2487.1228.5033.60.4795.420.5361.694108.11.034.0654.4893.011-0.8931.6921.8410.292-3.463-0.116-0.1010.544-0.6230.022-0.620.0421.8550.386-2.146-0.3360.261-0.0130.545-1.3340.6
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.61.0-0.30.30.3-0.20.20.1-1.00.20.20.30.61.10.40.00.50.10.21.00.80.10.50.40.3-0.10.20.20.0-0.8-0.0-0.00.1-0.20.0-0.10.00.50.1-0.4-0.10.1-0.00.1-0.30.2

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22565183294217251312481894294180185103771511424283117816.159635359-23.153357241-29.329216337-37.673155035-17.697155354-24.748
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.715.522.317.12.711.917.514.84.69.314.815.41.338.913.913.45.09.910.98.90.97.55.48.9-5.46.510.87.4-7.64.310.76.9-9.64.69.47.3-5.03.610.510.9-7.3

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.20.0830.049-0.006-0.0270.1030.1320.1260.0170.115-0.007-0.038-0.0270.0380.0350.040.0330.0340.0910.103-1.535-0.8770.2020.26-1.490.190.7471.057-0.9410.2451.1760.056-0.283
Percentage of ProfitLoss0.00.30.10.0-0.0-0.10.10.10.10.20.0-0.0-0.0-0.10.00.00.00.50.10.20.26.6-2.50.30.65.10.91.22.82.51.62.30.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.0-0.00.00.00.00.00.0-0.0-0.0-0.00.00.00.00.00.00.00.0-0.4-0.20.00.0-0.40.00.10.2-0.20.10.20.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value22565183294217251302481894294180185103771511424283117816.126635359-21.618367141-27.839216236-36.732144935-17.414
Percentage of ProfitLoss100.099.799.9100.0100.0100.099.9100.0100.0100.199.999.999.999.8100.0100.0100.0100.1100.0100.0100.099.599.999.899.893.4102.599.799.494.999.198.897.297.598.497.799.898.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.09.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value22565183294217251302481894294180185103771511424283117816.126635359-21.618367141-27.839216236-36.732144935-17.414
Percentage of ProfitLoss100.099.799.9100.0100.0100.099.9100.0100.0100.199.999.999.999.8100.0100.0100.0100.1100.0100.0100.099.599.999.899.893.4102.599.799.494.999.198.897.297.598.497.799.898.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.09.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value137798211791321127095811001420127993810201219120280297010871063843948110397778884410829216918561003669428544665562385504593545393329534492356427509504340
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mlm:ProductsAndServices, mlm:BuildingMaterialsBusinessEastGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value596372454514499357415539
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.337.938.638.939.337.437.838.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.337.938.638.939.337.437.838.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:ProductsAndServices mlm:BuildingMaterialsBusinessEastGroup100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:ProductsAndServices, mlm:BuildingMaterialsBusinessWestGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value628484599671640473556723611463495603625442519584572
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.649.350.850.850.449.450.650.947.849.448.649.552.155.253.553.753.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.649.350.850.850.449.450.650.947.849.448.649.552.155.253.553.753.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:ProductsAndServices mlm:BuildingMaterialsBusinessWestGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:ProductsAndServices, mlm:MagnesiaSpecialties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7065565548595159706967686864625965
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.64.84.23.86.34.64.25.57.46.65.65.78.16.55.56.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.64.84.23.86.34.64.25.57.46.65.65.78.16.55.56.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:ProductsAndServices mlm:MagnesiaSpecialties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:BuildingMaterialsBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7654637576617091775559726844536162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.65.35.76.06.46.46.46.15.95.85.95.75.55.65.65.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.65.35.76.06.46.46.46.15.95.85.95.75.55.65.65.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:BuildingMaterialsBusinessEastGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3822283534243242
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.32.42.72.72.52.93.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.32.42.72.72.52.93.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:BuildingMaterialsBusinessEastGroup100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:BuildingMaterialsBusinessWestGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3832343941373849393331393930333637
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.83.32.93.03.33.93.53.53.13.53.03.33.33.83.53.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.83.32.93.03.33.93.53.53.13.53.03.33.33.83.53.33.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:BuildingMaterialsBusinessWestGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:CargoAndFreight, mlm:MagnesiaSpecialties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.85.65.65.74.75.85.0965.5435.864.94.735.1584.8054.3934.6764.0164.301
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.60.50.40.40.60.50.40.50.50.50.40.40.50.50.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.60.50.40.40.60.50.40.50.50.50.40.40.50.50.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:CargoAndFreight mlm:MagnesiaSpecialties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, mlm:Aggregates, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value801572677766754570635818757541577687665425515590577451
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.258.357.458.059.459.557.757.659.257.756.656.455.353.053.154.354.353.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.258.357.458.059.459.557.757.659.257.756.656.455.353.053.154.354.353.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:Aggregates mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:AsphaltAndPaving, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value13512761291071868131821569998316761108221
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.81.26.59.88.41.96.29.26.41.76.88.26.92.07.910.27.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.81.26.59.88.41.96.29.26.41.76.88.26.92.07.910.27.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:AsphaltAndPaving mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:Cement, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1161091201151091061081191129987981138990889893
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.511.210.28.78.611.19.88.48.810.58.68.19.411.19.38.19.311.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.511.210.28.78.611.19.88.48.810.58.68.19.411.19.38.19.311.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:Cement mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:ReadyMixedConcrete, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices, us-gaap:ReportableSubsegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value268235262254245189223271241211213254277218231240241222
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.524.022.319.319.319.820.319.118.822.520.920.923.127.223.922.122.726.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.524.022.319.319.319.820.319.118.822.520.920.923.127.223.922.122.726.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:ReadyMixedConcrete mlm:BuildingMaterialsBusiness mlm:ProductsAndServices us-gaap:ReportableSubsegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value13029111117126012178921044135512038649481146112973290210239937758841038
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.592.894.795.495.893.194.995.494.092.192.994.093.991.493.094.193.491.993.294.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.592.894.795.495.893.194.995.494.092.192.994.093.991.493.094.193.491.993.294.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessEastGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value635394483549534381448582
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax46.140.241.041.642.139.940.741.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax46.140.241.041.642.139.940.741.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessEastGroup100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessWestGroup


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value666516633711682510595772650496526643665473552620610
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.452.653.753.853.753.354.154.450.952.951.652.855.459.157.057.057.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.452.653.753.853.753.354.154.450.952.951.652.855.459.157.057.057.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessWestGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value7570626053655664767471737269676370686465636455626563636466
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.57.25.34.64.26.95.14.66.07.97.16.06.18.67.05.96.68.16.85.96.58.16.65.77.19.17.46.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.57.25.34.64.26.95.14.66.07.97.16.06.18.67.05.96.68.16.85.96.58.16.65.77.19.17.46.410.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:MagnesiaSpecialties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusiness, mlm:ProductsAndServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value12258561054118511408319731263112580988810731060688849962931728
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.987.289.489.789.886.788.589.088.086.287.188.088.285.887.588.587.586.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.987.289.489.789.886.788.589.088.086.287.188.088.285.887.588.587.586.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:BuildingMaterialsBusiness mlm:ProductsAndServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties, mlm:ProductsAndServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value706556554859515970696768686462596564
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.64.84.23.86.34.64.25.57.46.65.65.78.16.55.56.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.16.64.84.23.86.34.64.25.57.46.65.65.78.16.55.56.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments mlm:MagnesiaSpecialties mlm:ProductsAndServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

mlm:ProductsAndServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1295921111012401189891102413231196878956114211287539111022996
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.093.894.293.993.693.093.193.293.593.593.793.793.993.994.094.093.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.093.894.293.993.693.093.193.293.593.593.793.793.993.994.094.093.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mlm:ProductsAndServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CargoAndFreight


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8260688081677597836064777348586566
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.25.86.16.47.06.96.86.56.56.36.36.16.16.06.06.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.25.86.16.47.06.96.86.56.56.36.36.16.16.06.06.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CargoAndFreight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Service


Revenue
Period End2020-09-302019-09-302018-09-30
Value11211082
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.57.86.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.57.86.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

mlm:ProductsAndServices, mlm:BuildingMaterialsBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value12258561054118511408319731263112580988810731060688849962931
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.987.289.489.789.886.788.589.088.086.287.188.088.285.887.588.587.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.987.289.489.789.886.788.589.088.086.287.188.088.285.887.588.587.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mlm:ProductsAndServices mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CargoAndFreight, mlm:BuildingMaterialsBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7654637576617091775559726844536162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.65.35.76.06.46.46.46.15.95.85.95.75.55.65.65.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.65.35.76.06.46.46.46.15.95.85.95.75.55.65.65.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CargoAndFreight mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementGeographical

us-gaap:Service, stpr:CO


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value738.81129414110719.9-162724.48223269569-179307.79450369051
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.30.98.57.41.57.85.51.1-15950.06742.35785.8-18476.28688.16492.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.30.98.57.41.57.85.51.1-15950.06742.35785.8-18476.28688.16492.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Service stpr:CO100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

mlm:BuildingMaterialsBusiness


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1302911111712601217892104413551203864948114611297329021023993
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.592.894.795.495.893.194.995.494.092.192.994.093.991.493.094.193.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.592.894.795.495.893.194.995.494.092.192.994.093.991.493.094.193.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SubsegmentsConsolidationItems

us-gaap:IntersubsegmentEliminations


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-96.7-73.1-83.5-81.4-75.9-53.6-61.946-77.419-67.772-58.361-58.556-66.839-78.178-60.665-65.374-67.379-70.549-60.71
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.0-7.4-7.1-6.2-6.0-5.6-5.6-5.5-5.3-6.2-5.7-5.5-6.5-7.6-6.7-6.2-6.6-7.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.0-7.4-7.1-6.2-6.0-5.6-5.6-5.5-5.3-6.2-5.7-5.5-6.5-7.6-6.7-6.2-6.6-7.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersubsegmentEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value82798471717873787278706871706757686970566159575456495048363437373737383235332933312934313333
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.08.17.25.45.68.26.75.55.78.37.05.65.98.76.95.36.48.27.45.16.37.66.85.16.27.25.84.85.58.06.95.66.79.87.55.46.58.49.06.36.48.28.16.16.79.8

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value112231065910580104351022610503101311022310163100489551958895968948899275667515739373007373723370586961743874997417746473383356325532593337323131543160324332263182314731583148320830743115309632443239
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-31
Value5487145073123162813053173112571676243231244364713433522334201146
Percentage of Assets4.96.84.93.13.12.83.03.33.22.718.63.23.13.35.29.65.87.04.66.04.5
Percentage of Assets4.96.84.93.13.12.83.03.33.22.718.63.23.13.35.29.65.87.04.66.04.5
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessEastGroup


Assetsus-gaap:
Period End2021-06-302020-12-312020-09-302019-12-312018-12-31
Value51104342437343204086
Percentage of Assets45.541.041.942.642.8
Percentage of Assets45.541.041.942.642.8
Percentage of Assets us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessEastGroup100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:BuildingMaterialsBusinessWestGroup


Assetsus-gaap:
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value53955355539053205392535552804989503250795014503250294904
Percentage of Assets48.150.651.752.552.752.752.552.252.552.955.866.566.967.2
Percentage of Assets48.150.651.752.552.752.752.552.252.552.955.866.566.967.2
Percentage of Assets us-gaap:OperatingSegments mlm:BuildingMaterialsBusinessWestGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, mlm:MagnesiaSpecialties


Assetsus-gaap:
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-31
Value168167163176163176170156141151152148146150147147148150150151154
Percentage of Assets1.51.61.61.71.61.71.71.61.51.61.72.02.02.12.12.02.02.02.04.54.7
Percentage of Assets1.51.61.61.71.61.71.71.61.51.61.72.02.02.12.12.02.02.02.04.54.7
Percentage of Assets us-gaap:OperatingSegments mlm:MagnesiaSpecialties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

mlm:BuildingMaterialsBusiness


Assetsus-gaap:
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value105069698976496429744970595729077913491877163717471376905
Percentage of Assets93.691.793.695.295.395.595.395.095.395.779.794.895.094.6
Percentage of Assets93.691.793.695.295.395.595.395.095.395.779.794.895.094.6
Percentage of Assets mlm:BuildingMaterialsBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value50944732468746764733520447784919506650724602464547414268431032323315331731583214321631122901318531893075311129631789171016841838179017441710177318091783169816731698177316061658167918721832
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.444.444.344.846.349.547.248.149.850.548.248.549.447.747.942.744.144.943.343.644.544.141.742.842.541.541.740.453.352.651.755.155.455.354.154.756.156.154.053.053.955.352.253.254.257.756.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value112231065910580104351022610503101311022310163100489551958895968948899275667515739373007373723370586961743874997417746473383356325532593337323131543160324332263182314731583148320830743115309632443239
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value61255923589057565491529653505301509449724946493948434676467943314197407341394155401339424057425043084340435143731564150815371460140213711410143013771359140914461412139314251414137513321365
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.655.655.755.253.750.452.851.950.149.551.851.550.552.352.057.255.955.156.756.455.555.958.357.157.558.558.359.646.646.347.243.843.443.544.644.142.742.744.845.844.943.446.445.444.441.142.1

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value161616751668165215871833142615781533137013651454145726012631127712441123108611911121998108216411765128112881212876758755845806715700785760701657767745840696732708854856
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.415.715.815.815.517.514.115.415.113.614.315.215.229.129.316.916.615.214.916.215.514.115.522.123.517.317.316.526.123.323.225.325.022.722.224.223.622.120.924.323.726.222.623.522.926.326.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value5331320711670424214953374453331422144635365550602827168436445610873343542574337253541442656261767060322212633720
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.52.92.01.10.74.00.20.50.50.40.50.60.415.916.10.50.50.70.70.80.40.42.45.90.60.81.51.01.01.11.31.71.41.20.81.11.31.40.81.80.85.52.31.91.06.88.10.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-01-012019-12-312019-09-302019-01-012018-12-31
Value703543041932121494444
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.63.32.91.90.00.20.50.00.5

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value722563575686690562573763710550523644487582566534448410577497381421523343242245331287202224296275212203259269203183249257202162
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.45.35.46.66.85.45.77.57.05.55.56.75.47.77.77.46.35.97.86.65.15.67.110.27.57.59.98.96.47.19.28.56.76.58.28.66.36.08.08.36.25.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value729690709714712700690649646646663651650606600576549537521508504485469464479505484475348354347350348347332335331333322337336331331323319322332
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.56.76.87.06.76.86.46.46.46.96.86.86.86.77.67.37.37.16.97.06.96.76.26.46.86.56.510.410.910.710.510.811.010.510.310.310.510.210.710.710.310.810.410.39.910.3

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value676661667673671657643605604605615610612563552526508495479462463443433420427428413397358372368366366363355356355357350362361361358350345
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.26.36.56.66.36.45.95.96.06.46.46.46.36.17.06.86.76.66.36.46.36.25.65.75.85.55.410.711.411.311.011.311.511.311.011.011.211.111.511.511.311.611.311.2

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value94677958113145141115122135134104961069683875156565337333782103294978514529474940302632242022392726263637
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.60.80.61.11.41.41.11.21.41.41.11.01.21.11.11.20.70.80.80.70.50.50.51.11.40.40.72.31.61.40.91.51.61.30.90.81.00.80.60.71.20.90.90.81.11.2

Machinery And Equipment Gross

us-gaap:MachineryAndEquipmentGross

us-gaap:MachineryAndEquipmentGross


Machinery
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value47824548435740063766347335682575251124072420
Percentage of MachineryAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.244.945.644.651.649.947.879.079.476.578.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9390910389558835873786918633847683968339829481838118652364986375630662116115601358965778561354885421569456915624397040013976394238433824381237753739372136883662364435893568354135263500
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets83.785.484.684.785.482.785.282.982.683.086.885.384.672.972.384.383.984.083.881.681.581.980.673.872.376.876.376.6118.3122.9122.0118.1119.0121.2120.6116.4115.9116.9117.2116.0115.7111.9116.1113.6113.9107.9

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2092581781991671281259210912792
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.61.92.22.31.81.72.93.54.03.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3841376837123655357735053427334432633192313730803005294029052854280027442692263325742515245724152371232922882246219522072177215921262092205920241985195219141975194619131880184718321805
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.235.435.135.035.033.433.832.732.131.832.932.131.332.932.337.737.337.136.935.735.635.635.332.531.631.430.730.665.467.866.864.765.866.365.262.461.561.460.862.661.859.661.259.359.255.6

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value55495335524251805160518552065132513251465157510351133582359235213505346734233379332232623156307330493365340233771775179317991782171717321753175017531768177416861697167616871693169416951692
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.450.149.549.650.549.451.450.250.551.254.053.253.340.040.046.546.646.946.945.845.946.245.341.340.745.445.646.052.955.155.253.453.254.955.554.054.455.656.453.453.952.254.954.354.752.252.3

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

mlm:BahamasAndCanada


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4649565758586862
Percentage of PropertyPlantAndEquipmentNet0.91.01.11.61.71.92.03.5
Percentage of Assets0.40.50.60.60.80.80.91.9
Percentage of Assets mlm:BahamasAndCanada0.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2599241424142414239723972396239623942397239923992401216021602160216021592159216021362135206820652065207120682043616616616616616616616615618616616639638626626624624624624
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.222.622.823.123.422.823.723.423.623.925.125.025.024.124.028.528.729.229.629.329.530.329.727.827.527.927.727.818.418.918.918.519.119.519.519.019.219.419.620.220.319.520.420.020.219.219.3

us-gaap:Goodwill us-gaap:StatementBusinessSegments

mlm:EastGroup


Goodwillus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-31
Value758572574576
Percentage of Goodwill29.223.724.024.0
Percentage of Assets6.85.45.76.0
Percentage of Assets mlm:EastGroup0.00.00.00.0

mlm:WestGroup


Goodwillus-gaap:
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302014-12-312014-09-302013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value1841184118221822182818281828182818281827962963871868869852868302422421424422422411398398
Percentage of Goodwill70.876.376.076.076.276.184.684.684.684.644.644.642.142.142.141.242.549.068.568.568.668.568.564.363.663.9
Percentage of Assets16.417.418.019.119.119.120.324.224.324.713.213.112.511.711.611.411.89.313.413.013.213.313.413.013.012.3
Percentage of Assets mlm:WestGroup0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.045.726.729.90.00.00.030.40.036.136.6

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value3636282930303328285252240.02384239.365
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.40.40.40.70.70.70.00.80.3

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

mlm:OperatingPermits


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value6.66.66.66.66.66.66.66.66.66.66.611
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill18.318.323.322.221.921.919.523.123.012.512.548.4
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.4
Percentage of Assets mlm:OperatingPermits0.00.00.00.00.00.00.00.00.00.00.00.0

mlm:UseRightsNotSubjectToAmortization


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-31
Value262619202020241919299.835
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill74.274.267.168.268.668.672.167.067.255.540.9
Percentage of Assets0.20.30.20.20.20.20.30.30.30.40.3
Percentage of Assets mlm:UseRightsNotSubjectToAmortization0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312011-12-312010-12-31
Value2.72.72.72.8452.8452.8452.8452.8452.84516162.5652.5652.565
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill7.57.59.59.69.59.58.49.99.932.032.010.710.727.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.20.20.10.10.1
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:TradeNames, mlm:MagnesiaSpecialties


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-31
Value2.52.52.52.5652.5652.5652.5652.5652.5652.565
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill6.96.98.88.68.58.57.69.08.94.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TradeNames mlm:MagnesiaSpecialties0.00.00.00.00.00.00.00.00.00.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ProductOrService

mlm:BuildingMaterialsBusiness


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value3333252727273126
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill93.193.191.291.491.591.592.491.0
Percentage of Assets0.30.30.30.30.30.30.30.4
Percentage of Assets mlm:BuildingMaterialsBusiness0.00.00.00.00.00.00.40.4

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:ProductOrService, us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

mlm:BuildingMaterialsBusiness, mlm:UseRightsNotSubjectToAmortization


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-31
Value26261920202024
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill74.274.267.168.268.668.672.1
Percentage of Assets0.20.30.20.20.20.20.3
Percentage of Assets mlm:BuildingMaterialsBusiness mlm:UseRightsNotSubjectToAmortization0.00.00.00.00.00.00.0

mlm:BuildingMaterialsBusiness, us-gaap:TradeNames


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-31
Value0.20.20.20.280.280.280.28
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill0.60.60.70.90.90.90.8
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets mlm:BuildingMaterialsBusiness us-gaap:TradeNames0.00.00.00.00.00.00.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:StatementBusinessSegments

mlm:MagnesiaSpecialties


Indefinite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-31
Value2.52.52.52.5652.5652.5652.5652.5652.5652.565
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill6.96.98.88.68.58.57.69.08.94.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets mlm:MagnesiaSpecialties0.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value6894724584714784844724824815425462426308.183
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.14.54.54.95.05.05.36.66.97.37.40.80.81.00.3

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

mlm:OperatingPermits


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value4094124164224274294324354384924955.406
Percentage of FiniteLivedIntangibleAssetsNet59.487.490.989.789.388.691.590.290.990.990.622.0
Percentage of Assets3.63.94.14.44.54.54.86.06.36.66.70.2
Percentage of Assets mlm:OperatingPermits0.00.00.00.00.00.00.00.00.00.00.00.0

mlm:UseRightsAndOther


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value2.83.34.65.5028.7755.7336.5697.7078.7168.4458.7179.3659.449103.615
Percentage of FiniteLivedIntangibleAssetsNet0.40.71.01.21.81.21.41.61.81.61.638.135.535.044.2
Percentage of Assets0.00.00.00.10.10.10.10.10.10.10.10.30.30.30.1
Percentage of Assets mlm:UseRightsAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value266553539384528322528291416182.203
Percentage of FiniteLivedIntangibleAssetsNet38.711.87.78.58.09.56.06.75.35.35.559.060.459.926.9
Percentage of Assets2.40.50.30.40.40.50.30.40.40.40.40.40.50.60.1
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value0.10.10.10.1350.9190.1120.130.1680.2050.3030.40.6911.0841.5372.365
Percentage of FiniteLivedIntangibleAssetsNet0.00.00.00.00.20.00.00.00.00.10.12.84.15.128.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets us-gaap:NoncompeteAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-30
Value100.51.93.1033.4133.7244.8537.1199.3921112
Percentage of FiniteLivedIntangibleAssetsNet1.50.10.40.70.70.81.01.51.92.12.2
Percentage of Assets0.10.00.00.00.00.00.10.10.10.20.2
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value434440453469468477481484487498
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.94.14.34.54.64.54.84.74.85.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2982882952141321261331391221371271211091041011021031351201261451421441451041071084140394043424140394141444748484648515252
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.72.82.11.31.21.31.41.21.41.31.31.11.21.11.41.41.81.71.72.02.02.12.01.41.41.50.61.21.21.21.31.31.31.31.21.31.31.41.51.51.51.51.61.61.61.6

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2432002072101972022292381991842101911881621831631871881781921971741642262011842022301399810311199778399113100928685746076806752
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.92.02.01.91.92.32.32.01.82.22.02.01.82.02.22.52.52.42.62.72.52.43.02.72.52.73.14.23.03.23.33.12.42.63.13.53.12.92.72.72.32.02.52.62.11.6

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value7584484995065951075838688822757786772709650694468534631546604601492367575363343396436244193210226192168173217199185173197262158385426414395373
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.84.24.74.95.810.28.36.78.17.58.28.17.47.37.76.27.18.57.58.28.37.05.37.74.94.65.36.07.36.06.56.86.05.35.56.76.25.85.56.38.34.912.513.713.412.211.5

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2401306393401903853603903803203002998014029018022823817719147151414141212126.1696.1695.6775.6766.6717.1717.657.1827.151067.101248245244219226
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.36.13.41.93.83.64.14.03.33.43.31.11.93.92.53.13.32.50.32.00.20.20.20.20.40.40.40.20.20.20.20.20.20.20.20.23.40.28.17.97.96.87.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value47474851515252515150
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.50.50.50.50.50.50.5

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value999311612611510296757939604571608775984971504538716937337738322142
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.91.11.21.11.01.00.70.80.40.60.50.70.71.01.01.30.71.00.70.60.51.00.90.50.51.00.51.00.71.3

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value286726262625262527543263277329223117316131203209321830283027172217811846168617641779175215721705165815811585161810841067103011131093107810471098114411341060104510851168103010311056
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.524.624.825.226.931.127.428.630.731.532.733.533.533.833.722.823.725.023.123.924.624.822.622.922.121.321.222.132.332.831.633.433.834.233.233.935.535.733.733.134.536.433.533.134.1

us-gaap:LongTermDebt us-gaap:DebtInstrument

mlm:FourPointTwoFivePercentSeniorNotesDueTwentyTwentyFour


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value397397397397397397397396396396396396396395395395395395395395394394395395395394395395
Percentage of LongTermDebt13.915.115.115.114.412.214.313.612.712.512.712.312.313.113.123.022.221.423.422.422.222.525.223.223.924.924.924.4
Percentage of Assets3.53.73.83.83.93.83.93.93.93.94.24.14.14.44.45.25.35.35.45.45.55.65.75.35.35.35.35.4
Percentage of Assets mlm:FourPointTwoFivePercentSeniorNotesDueTwentyTwentyFour0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:FourPointTwoFiveZeroPercentSeniorNotesDueTwentyFourtySeven


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value592591591591591591591591591591591591591591591
Percentage of LongTermDebt20.622.522.522.521.518.121.320.219.018.719.018.418.419.519.5
Percentage of Assets5.35.65.65.75.85.65.85.85.85.96.26.26.26.66.6
Percentage of Assets mlm:FourPointTwoFiveZeroPercentSeniorNotesDueTwentyFourtySeven0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:OtherNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.10.10.10.20.20.20.10.2140.2280.2560.2560.2690.2890.2960.3080.3210.3330.3440.3560.4570.5890.8851.6621.1241.2481.5363.152
Percentage of LongTermDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets mlm:OtherNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:SevenPercentDebenturesDueTwentyTwentyFive


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value124124124124124124124124124124124124124124124124124124124124124124124124124123124124124
Percentage of LongTermDebt4.34.74.74.74.53.84.54.34.03.94.03.93.94.14.17.27.06.77.47.07.07.17.97.37.57.87.97.711.5
Percentage of Assets1.11.21.21.21.21.21.21.21.21.21.31.31.31.41.41.61.71.71.71.71.71.81.81.71.71.71.71.73.7
Percentage of Assets mlm:SevenPercentDebenturesDueTwentyTwentyFive0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:SixPointTwoFivePercentageOfSeniorNotesDueTwoThousandThirtySeven


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value228228228228228228228228228228228
Percentage of LongTermDebt8.08.78.78.78.37.08.27.87.37.27.3
Percentage of Assets2.02.12.22.22.22.22.32.22.22.32.4
Percentage of Assets mlm:SixPointTwoFivePercentageOfSeniorNotesDueTwoThousandThirtySeven0.00.00.00.00.00.00.00.00.00.00.0

mlm:ThreePointFiveZeroZeroPercentSeniorNotesDueTwentyTwentySeven


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value496495495495495495495495495494494494494494494
Percentage of LongTermDebt17.318.918.918.918.015.217.916.915.915.715.915.415.416.316.3
Percentage of Assets4.44.74.74.84.84.74.94.84.94.95.25.25.25.55.5
Percentage of Assets mlm:ThreePointFiveZeroZeroPercentSeniorNotesDueTwentyTwentySeven0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:ThreePointFourFiveZeroPercentSeniorNotesDueTwentyTwentySeven


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value297297297297297297297297297297296296296296296296296
Percentage of LongTermDebt10.411.311.311.310.89.110.710.29.59.49.59.29.29.89.817.216.6
Percentage of Assets2.72.82.82.92.92.82.92.92.93.03.13.13.13.33.33.93.9
Percentage of Assets mlm:ThreePointFourFiveZeroPercentSeniorNotesDueTwentyTwentySeven0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:TradeReceivableCreditFacility


Long
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-30
Value240130340340190385360390380320801402901802102201591308030150
Percentage of LongTermDebt8.44.710.412.36.512.411.412.511.89.94.67.915.710.711.912.49.17.64.81.913.8
Percentage of Assets2.11.33.23.41.93.83.64.14.03.31.11.93.92.52.83.02.31.71.10.44.5
Percentage of Assets mlm:TradeReceivableCreditFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mlm:TwoPointFiveZeroZeroPercentSeniorNotesDueTwentyThirty


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value490490490489489489
Percentage of LongTermDebt17.118.718.718.717.815.0
Percentage of Assets4.44.64.64.74.84.7
Percentage of Assets mlm:TwoPointFiveZeroZeroPercentSeniorNotesDueTwentyThirty0.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2627262626252625262426232433273227322801273028292898272827271642164115561506153615411575155315571642156615711603107210551018110710871072104210921137112710521038978116178278581110291023
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.424.624.825.225.725.024.026.726.927.928.629.530.230.530.321.721.821.020.620.821.322.322.320.921.921.121.021.932.032.431.233.233.634.033.033.735.235.433.432.931.136.225.425.226.231.731.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value786777781760741733
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0
Percentage of Assets7.07.37.47.37.27.2

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2.32.82.62.52.52.52.52.4662.4173.0223.0492.934123.22.8772.7612.762.5862.6123.0663.0482.9852.8931.6981.661.6171.5822.3932.3353738383839393838393938414242414041
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.11.11.11.21.21.21.31.21.21.21.31.21.21.31.41.41.31.31.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value5314803703623513383392352332342442422382272332282212101941961971971721581541581601441131089789908886849089928486838284979579
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.74.53.53.53.43.23.32.32.32.32.62.52.52.52.63.03.02.82.72.72.72.82.52.12.12.12.12.03.43.33.02.72.82.82.72.62.82.82.92.72.82.62.72.73.12.92.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value391399410422420429433436438446
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.73.94.04.14.14.34.34.34.4

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value6068656370
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0
Percentage of Assets0.60.70.60.60.7

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value5556535260
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0
Percentage of Assets0.50.60.50.50.6

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value4551494857
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.50.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value4247464556
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.50.6

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value357434432429318
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0
Percentage of Assets3.44.24.34.33.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value459486488489496
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets4.34.84.84.84.9

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value626677682692669
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0
Percentage of Assets5.96.66.76.97.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value167
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value61255923589057565491529653505301509449724946493948434676467943314197407341394155401339424057425043084340435143731564150815371460140213711410143013771359140914461412139314251414137513321365
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.655.655.755.253.750.452.851.950.149.551.851.550.552.352.057.255.955.156.756.455.555.958.357.157.558.558.359.646.646.347.243.843.443.544.644.142.742.744.845.844.943.446.445.444.441.142.1

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value612859265893575854935299535353045097497549494942485546794682433342004075414241584016394540604252431043424352437515661544157414981440141014501470141613981448148514501434146814571416137214061067991
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.655.655.755.253.750.552.851.950.249.551.851.550.652.352.157.355.955.156.756.455.555.958.357.257.558.558.359.646.747.448.344.944.644.745.945.343.943.946.047.046.144.747.846.845.842.343.40.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value-153.5-155.6-158.1-136.9-140.0-142.4-144.9-133.295-136.021-138.747-141.505-120.771-124.798-126.806-128.802-122.635-124.553-126.463-128.373-102.567-104.114-101.907-103.38-110.027-111.663-106.688-44.549
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.5-2.6-2.7-2.4-2.5-2.7-2.7-2.5-2.7-2.8-2.9-2.4-2.6-2.7-2.8-2.8-3.0-3.1-3.1-2.5-2.6-2.6-2.5-2.6-2.6-2.5-2.8
Percentage of Assets-1.4-1.5-1.5-1.3-1.4-1.4-1.4-1.3-1.3-1.4-1.5-1.3-1.3-1.4-1.4-1.6-1.7-1.7-1.8-1.4-1.4-1.4-1.5-1.5-1.5-1.4-1.4
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-153.0-155.6-158.4-138.6-142.2-145.4-145.8-134.765-137.334-140.324-143.579-121.491-125.883-127.485-129.104-122.928-125.906-128.425-130.687-104.511-106.068-103.833-105.622-112.742-112.814-106.723-106.159-43.281-42.141-42.744-44.114-102.71-106.257-104.948-106.169-77.48-80.64-81.991-83.89-49.56-49.319-54.564-53.66-75.084-101.672-37.032
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.5-2.6-2.7-2.4-2.6-2.7-2.7-2.5-2.7-2.8-2.9-2.5-2.6-2.7-2.8-2.8-3.0-3.2-3.2-2.5-2.6-2.6-2.6-2.7-2.6-2.5-2.4-1.0-2.7-2.8-2.8-6.9-7.4-7.4-7.3-5.3-5.7-5.9-5.8-3.3-3.4-3.8-3.7-5.3-9.5-3.7
Percentage of Assets-1.4-1.5-1.5-1.3-1.4-1.4-1.4-1.3-1.4-1.4-1.5-1.3-1.3-1.4-1.4-1.6-1.7-1.7-1.8-1.4-1.5-1.5-1.5-1.5-1.5-1.4-1.4-0.6-1.3-1.3-1.4-3.1-3.3-3.3-3.4-2.4-2.5-2.6-2.7-1.6-1.6-1.7-1.7-2.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value0.5-0.3-1.7-2.2-3.0-0.9-1.47-1.313-1.577-2.074-0.72-1.085-0.609-0.0220.202-0.636-1.025-1.162-0.579-0.381-0.149-0.264-0.5381.2193.2783.902
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.10.2
Percentage of Assets0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value34513441344034333431342334183414341634063396339133893381336833623355334933343326331833023287328332743255324332394564424324314294214144084044054014003974003963817850
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest56.358.158.459.662.564.663.964.467.068.568.668.669.872.371.977.679.982.280.580.082.683.781.077.276.075.074.574.029.228.727.528.829.829.928.627.828.529.027.727.027.427.927.027.17.45.1
Percentage of Assets30.732.332.532.933.532.633.733.433.633.935.635.435.337.837.544.444.745.345.745.145.946.847.244.143.743.943.544.113.613.613.312.913.313.313.112.612.512.712.812.712.612.512.911.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value0.60.60.60.60.60.60.60.6240.6230.6250.6240.6260.6290.6280.6280.6270.6270.6260.630.6330.6330.6330.6430.660.6680.6730.6710.6710.4630.4620.4610.4610.4610.4590.4590.4580.4570.4560.4560.4560.4560.4550.4550.4530.4140.412
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2.32.82.62.52.52.52.52.4662.4173.0223.0492.934123.22.8772.7612.762.5862.6123.0663.0482.9852.8931.6981.661.6171.5822.3932.33537383838393938383939384142414545
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.10.10.10.20.10.10.10.10.10.10.10.10.10.10.00.00.00.00.10.12.32.42.62.72.72.72.72.72.82.72.62.62.92.92.94.34.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.11.11.11.21.21.21.31.21.21.21.31.21.21.31.41.30.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value612559235890575654915296535053015094497249464939484346764679433141974073413941554013394240574250430843404351437315641508153714601402137114101430137713591409144614121393142513651021945
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.999.999.899.999.999.999.999.999.999.999.999.999.9100.0100.0100.0100.099.999.997.797.697.497.397.397.397.397.397.297.397.497.497.197.197.195.795.4
Percentage of Assets54.655.655.755.253.750.452.851.950.149.551.851.550.552.352.057.255.955.156.756.455.555.958.357.157.558.558.359.646.646.347.243.843.443.544.644.142.742.744.845.844.943.446.442.10.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value28272637260724602201201820772021181417051693166915791422144010909678519359328007438741079114611901213117611491108114811311077105511011098105410351090109410631046108210581044931
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest46.144.544.242.740.138.138.838.135.634.334.233.832.530.430.825.223.020.922.622.419.918.821.525.426.627.427.926.973.371.872.975.574.874.876.074.774.474.175.373.773.372.973.775.397.993.9
Percentage of Assets25.224.724.623.621.519.220.519.817.917.017.717.416.515.916.014.412.911.512.812.611.110.512.614.515.316.116.316.034.234.135.233.933.433.434.933.932.732.534.734.733.832.635.232.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value600000.0600000.0600000.0600000.0600000.0600000.0600000.0624000.0623000.0625000.0624000.0626000.0629000.0628000.0628000.0627000.0627000.0626000.0630000.0633000.0633000.0633000.0643000.0660000.0668000.0673000.0671000.0671000.0463000.0462000.0461000.0461000.0461000.0459000.0459000.0458000.0457000.0456000.0456000.0456000.0456000.0455000.0455000.0454000.0454000.0453000.0453000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value3451344134403433343134233418341434163406339633913389338133683362335533493334332633183302328732833274325532433239456442432431429421414408404405401400397400396395392386381
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.732.332.532.933.532.633.733.433.633.935.635.435.337.837.544.444.745.345.745.145.946.847.244.143.743.943.544.113.613.613.312.913.313.313.112.612.512.712.812.712.612.512.912.712.711.911.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2827263726072460220120182077202118141705169316691579142214401090967851935932800743874107911461190121311761149110811481131107710551101109810541035109010941063104610821085105210161058
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.224.724.623.621.519.220.519.817.917.017.717.416.515.916.014.412.911.512.812.611.110.512.614.515.316.116.316.034.234.135.233.933.433.434.933.932.732.534.734.733.832.635.234.834.031.332.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-04-022014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value-153000000.0-155600000.0-158400000.0-138600000.0-142200000.0-145400000.0-145800000.0-134760000.0-137330000.0-140320000.0-143580000.0-121490000.0-125880000.0-127480000.0-129100000.0-122930000.0-125910000.0-128420000.0-130690000.0-104510000.0-106070000.0-103830000.0-105620000.0-112740000.0-112810000.0-106720000.0-106160000.0-43281000.0-42141000.0-42744000.0-42744000.0-44114000.0-102710000.0-106260000.0-104950000.0-106170000.0-77480000.0-80640000.0-81991000.0-83890000.0-49560000.0-49319000.0-54564000.0-53660000.0-67249000.0-69488000.0-70528000.0-75084000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.4-1.5-1.5-1.3-1.4-1.4-1.4-1.3-1.4-1.4-1.5-1.3-1.3-1.4-1.4-1.6-1.7-1.7-1.8-1.4-1.5-1.5-1.5-1.5-1.5-1.4-1.4-0.6-1.30.0-1.3-1.4-3.1-3.3-3.3-3.4-2.4-2.5-2.6-2.7-1.6-1.6-1.7-1.7-2.2-2.2-2.2-2.3

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value2.32.82.62.52.52.52.52.4662.4173.0223.0492.934123.22.8772.7612.762.5862.6123.0663.0482.9852.8931.6981.661.6171.5822.3932.3353738383839393838393938414242414041
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.11.11.11.21.21.21.31.21.21.21.31.21.21.31.41.41.31.31.3

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9.9107.62.77.2125.6866.1648.698136.1695.9867.3389.766.7625.9717.452103.3144.3665.5737.2282.8673.1984.6182.9062.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.777
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9.9107.62.77.2125.6866.1648.698136.1695.9867.3389.766.7625.9717.452103.3144.3665.5737.2282.8673.1984.6182.9062.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.777
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9.9107.62.77.2125.6866.1648.698136.1695.9867.3389.766.7625.9717.452103.3144.3665.5737.2282.8673.1984.6182.9062.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.777
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders


Minority
Period End2021-06-302019-12-312019-09-302019-06-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value500000.000600000.00000-2000000.01000000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.00.00.0100.00.00.00.00.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302019-12-312019-09-302019-06-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value500000.000600000.00000-2000000.01000000.0
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.00.00.0100.00.00.00.00.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value24919136631026610631631621511726320313310523918815574264210136672531929135180131636.61214311729181009431-4.319791233521671165927
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.119.531.023.521.011.128.722.316.912.625.816.711.113.124.717.414.68.827.919.114.08.530.017.810.05.121.013.19.51.526.317.65.34.820.015.95.9-1.124.023.07.26.015.722.811.78.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-734.8-88.3-218.0-20.9-75.3-95.5-109.228-74.787-74.349-127.536-109.584-63.291-1681.699-93.632-101.648-98.631-84.644-101.556-100.605-129.069-115.272-210.367-112.005335-71.532-63.391-84.476117-46.609-35.562-47.581-115.594-28.445-22.929-45.008-35.811-27.003-35.388-101.654-33.845-74.884-28.541-40.575-40.813-41.335-51.459
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-53.3-9.0-18.5-1.6-5.9-10.0-9.9-5.3-5.8-13.6-10.7-5.2-139.9-11.7-10.5-9.1-8.0-12.0-10.6-11.7-11.8-26.7-13.331.0-7.8-9.2-9.911.7-7.0-8.3-8.7-17.4-5.1-6.0-8.9-6.0-4.9-9.0-30.8-6.3-15.2-8.0-9.5-8.0-8.2-15.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value201-53.2-37.4-166.3-545.1391-235.169-245.788-125.282.137-163.095-120.032160-35.3711273-91.671-89.60532-174.627-49.54-19.7372.192-409.587-135.724-32.609-24.019-60.5-209.319-18.61422-110.529115.016-65.664-64.536-8.54258-8.388-58.608-111.196113-16.798-47.119-206.767-18.21
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.6-5.4-3.2-12.6-42.940.9-21.4-17.3-9.80.2-16.0-9.813.3-4.4131.2-8.4-8.43.9-18.4-4.5-2.00.3-48.5-12.5-3.5-3.5-7.1-20.9-2.85.2-20.31.80.94.2-13.0-10.9-1.614.9-2.5-11.0-22.631.9-3.9-9.2-41.0-5.3

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-284.550110123-353.9403-28.095-4.50816-7.535-9.06920-1388.594-23.991
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.65.19.49.4-27.942.1-2.6-0.31.3-0.8-0.91.7-115.5-3.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.1-4.719183.43.21124-11.1744.7811653122.029-245.5994.079-0.3632.8277.216251617419.386.132275.32251-1.37-5.0634.9199.9125.8893.3932.3524.87.499-0.7224.966-2.8785.8863.35-15.423123.840.957
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1079810198989594949289908986767575757073727168636467676867434243444243444444444343434345454544
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value149-11.5-110.6-12.9127-10.2-190.2025316126-121.559-25.427178-20.951-95.293119121-108.776168729-167.36378116-40.006-103.48921101-2.834-85.6114285-20.273-72.89621638.304-58.596-9.6166819-66.252-8.1485539
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17.9-19.0-3.30.9129.6412.1710.672-16.416130.882-1.748.87324261215130.82519133.875-10.0118.591913-5.552-3.1427.411-3.132-1.0671.23214-2.8463.108-1.503100.6761.3633.284-0.2167.6473.977-2.184-10.681
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17.3252546-85.0333427-68.6834134150-16.0361019-4.534-53.6223-8.6531.051-11.8053426-18.495-40.0276927-29.05-16.713-0.87421-21.548-2.445-1.58528-17.919111.6337-20.542-7.5653.128270.4753.351-16.465
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value24919136631026610631631621511726320313310523918815574264210136672531929135180131636.61214311729181009431-4.319791233521671165927
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.119.531.023.521.011.128.722.316.912.625.816.711.113.124.717.414.68.827.919.114.08.530.017.810.05.121.013.19.51.526.317.65.34.820.015.95.9-1.124.023.07.26.015.722.811.78.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value225651832942172513024818942941801851037715114242981591224483117816.126635359-21.618367141-27.839216236-36.732144935-17.414145154-24.18
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.010.414.412.55.79.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.93.510.210.8-7.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22565183294217251312481894294180185103771511424283117816.159635359-23.153357241-29.329216337-37.673155035-17.697155354-24.748
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.715.522.317.12.711.917.514.84.69.314.815.41.338.913.913.45.09.910.98.90.97.55.48.9-5.46.510.87.4-7.64.310.76.9-9.64.69.47.3-5.03.610.510.9-7.3

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.20.0830.049-0.006-0.0270.1030.1320.1260.0170.115-0.007-0.038-0.0270.0380.0350.040.0330.0340.0910.103-1.535-0.8770.2020.26-1.490.190.7471.057-0.9410.2451.1760.056-0.283
Percentage of ProfitLoss0.00.30.10.0-0.0-0.10.10.10.10.20.0-0.0-0.0-0.10.00.00.00.50.10.20.26.6-2.50.30.65.10.91.22.82.51.62.30.21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-0.0-0.00.00.00.00.00.0-0.0-0.0-0.00.00.00.00.00.00.00.0-0.4-0.20.00.0-0.40.00.10.2-0.20.10.20.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value22565183294217251302481894294180185103771511424283117816.126635359-21.618367141-27.839216236-36.732144935-17.414
Percentage of ProfitLoss100.099.799.9100.0100.0100.099.9100.0100.0100.199.999.999.999.8100.0100.0100.0100.1100.0100.0100.099.599.999.899.893.4102.599.799.494.999.198.897.297.598.497.799.898.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.09.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value22565183294217251302481894294180185103771511424283117816.126635359-21.618367141-27.839216236-36.732144935-17.414
Percentage of ProfitLoss100.099.799.9100.0100.0100.099.9100.0100.0100.199.999.999.999.8100.0100.0100.0100.1100.0100.0100.099.599.999.899.893.4102.599.799.494.999.198.897.297.598.497.799.898.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.46.615.522.317.12.711.917.514.84.69.314.815.41.238.913.913.45.09.810.98.90.97.55.48.9-5.06.610.87.3-7.24.310.66.7-9.34.59.27.3-4.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.9107.62.77.2125.6866.1648.698136.1695.9867.3389.766.7625.9717.452103.3144.3665.5737.2282.8673.1984.6172.9072.6122.0112.9611.4091.61.4272.7361.2451.8341.372.6991.8782.2052.9663.5742.7772.9913.2414.5493.894
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-734.8-88.3-218.0-20.9-75.3-95.5-109.228-74.787-74.349-127.536-109.584-63.291-1681.699-93.632-101.648-98.631-84.644-101.556-100.605-129.069-115.272-210.367-112.005335-71.532-63.391-84.476117-46.609-35.562-47.581-115.594-28.445-22.929-45.008-35.811-27.003-35.388-101.654-33.845-74.884-28.541-40.575-40.813-41.335-51.459
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-53.3-9.0-18.5-1.6-5.9-10.0-9.9-5.3-5.8-13.6-10.7-5.2-139.9-11.7-10.5-9.1-8.0-12.0-10.6-11.7-11.8-26.7-13.331.0-7.8-9.2-9.911.7-7.0-8.3-8.7-17.4-5.1-6.0-8.9-6.0-4.9-9.0-30.8-6.3-15.2-8.0-9.5-8.0-8.2-15.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value102110108757110411075771301137392961019211310210174116941058471569353473652522821453928376134283025414325
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value201-53.2-37.4-166.3-545.1391-235.169-245.788-125.282.137-163.095-120.032160-35.3711273-91.671-89.60532-174.627-49.54-19.7372.192-409.587-135.724-32.609-24.019-60.5-209.319-18.61422-110.529115.016-65.664-64.536-8.54258-8.388-58.608-111.196113-16.798-47.119-206.767-18.21
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.6-5.4-3.2-12.6-42.940.9-21.4-17.3-9.80.2-16.0-9.813.3-4.4131.2-8.4-8.43.9-18.4-4.5-2.00.3-48.5-12.5-3.5-3.5-7.1-20.9-2.85.2-20.31.80.94.2-13.0-10.9-1.614.9-2.5-11.0-22.631.9-3.9-9.2-41.0-5.3

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value35363535343434343030303027272727262626262525262625282727181818181818181818181818181818181818
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.00.00.050407.288400.00.00.099690.040150262157
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value129.0108.9395.9391.4493.2795.4396.53102.7496.189.9388.49
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value781733705410663583489338330314300
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value302289164176258293437102109114112
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value8.2252422211821191414116.45181715155.1284.6769.288111615
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.19.08.604108.5218.9676.1335.8586.5729.4027.119
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsOtherComprehensiveEarningsTaxEffectPensionAndPostretirementBenefitPlans

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsOtherComprehensiveEarningsTaxEffectPensionAndPostretirementBenefitPlans


Accumulated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-800000.0-700000.0-1100000.0-800000.0-800000.0-899000.0-922000.0868000.01326000.0661000.0658000.01193000.01184000.01185000.0986000.0-1408000.0944000.01042000.0-4073000.01016000.096000.0-271000.0-182000.0-1566000.0201000.0-1240000.0-1026000.0-820000.0-1013000.0
Percentage of AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsOtherComprehensiveEarningsTaxEffectPensionAndPostretirementBenefitPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:BasicAndDilutedNetIncomeLossAttributableToCommonShareholdersOfReportingEntity

mlm:BasicAndDilutedNetIncomeLossAttributableToCommonShareholdersOfReportingEntity


Basic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value225651822942172513024818942941791859.9637615114142981581214482117824.757635359-21.685357141-27.932216236-36.858144835-17.579145153
Percentage of BasicAndDilutedNetIncomeLossAttributableToCommonShareholdersOfReportingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:CashTransferredFromRestrictedToUnrestricted us-gaap:SubsequentEventType

mlm:CashTransferredFromRestrictedToUnrestricted

us-gaap:SubsequentEvent


Cash
Period End2021-01-31
Value47
Percentage of CashTransferredFromRestrictedToUnrestricted100.0

mlm:EffectiveIncomeTaxPercentageReconciliationChangeInReclassificationFromPartnershipToCorporation

mlm:EffectiveIncomeTaxPercentageReconciliationChangeInReclassificationFromPartnershipToCorporation


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1.719.520.798-0.3980.618.638
Percentage of EffectiveIncomeTaxPercentageReconciliationChangeInReclassificationFromPartnershipToCorporation100.0100.0100.0100.0100.0100.0

mlm:EffectiveIncomeTaxRateReconciliationChangeInReclassificationFromPartnershipToCorporation

mlm:EffectiveIncomeTaxRateReconciliationChangeInReclassificationFromPartnershipToCorporation


Effective
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.06.90.00.013
Percentage of EffectiveIncomeTaxRateReconciliationChangeInReclassificationFromPartnershipToCorporation0.00.0100.00.00.0100.0

mlm:OutOfPeriodExpense us-gaap:IncomeStatementLocation

mlm:OutOfPeriodExpense

us-gaap:OtherNonoperatingIncomeExpense


Out
Period End2020-12-31
Value0.0
Percentage of OutOfPeriodExpense0.0

mlm:RemeasurementOfOperatingLeasesRightOfUseAssets

mlm:RemeasurementOfOperatingLeasesRightOfUseAssets


Remeasurement
Period End2021-06-302021-03-312020-09-30
Value-100000.0-6200000.0800000.0
Percentage of RemeasurementOfOperatingLeasesRightOfUseAssets100.0100.0100.0

mlm:ThirdPartyRailroadTrackMaintenanceExpense us-gaap:IncomeStatementLocation

mlm:ThirdPartyRailroadTrackMaintenanceExpense

us-gaap:OtherNonoperatingIncomeExpense


Third
Period End2021-03-312020-09-30
Value5600000.00
Percentage of ThirdPartyRailroadTrackMaintenanceExpense100.00.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.6151.8-0.10.4122.682135.0467.1281.4490.353.6856.381.5921.275
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.6151.8-0.10.4122.682135.0467.1281.4490.353.6856.381.5921.275
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.6151.8-0.10.4122.682135.0467.1281.4490.353.6856.381.5921.275
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationAcquisitionRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value9.31.20.10.40.50.30.31-0.0010.0470.1440.5540.089120.7115.3191.3141.9820.0220.0560.3060.8960.4252.6812.0872.0921.6041.713265.289.5120.00.0890.275
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.828318.50.6212510-1.88420424.159-14.8683541-14.3750.0483414-9.5061023-1.068
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5400000.04900000.0-300000.08500000.04100000.04400000.0100000.08000000.04800000.03800000.015000.06203000.04066000.04199000.034000.04439000.03683000.03835000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:SubsequentEventType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

mlm:ThreePointTwoZeroZeroPercentSeniorNotesDueTwentyFiftyOne, us-gaap:DebtInstrumentRedemptionPeriodFive, us-gaap:SubsequentEvent, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2021-07-02
Value20.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

mlm:TwoPointFourZeroZeroPercentSeniorNotesDueTwentyThirtyOne, us-gaap:DebtInstrumentRedemptionPeriodThree, us-gaap:SubsequentEvent, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2021-07-02
Value15.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate175.0

mlm:ZeroPointSixFiveZeroPercentSeniorNotesDueTwentyTwentyThree, us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:SubsequentEvent, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2021-07-02
Value10.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate150.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:VariableRate

mlm:TradeReceivableCreditFacility, mlm:ConduitLenders


Debt
Period End2021-03-31
Value0.85
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

mlm:TradeReceivableCreditFacility, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value1.00.007250.007250.007250.00725
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.00.00.00.00.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentRedemptionPricePercentage

mlm:ThreePointTwoZeroZeroPercentSeniorNotesDueTwentyFiftyOne, us-gaap:SubsequentEvent


Debt
Period End2021-07-02
Value101.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

mlm:TwoPointFourZeroZeroPercentSeniorNotesDueTwentyThirtyOne, us-gaap:SubsequentEvent


Debt
Period End2021-07-02
Value101.0
Percentage of DebtInstrumentRedemptionPricePercentage100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.00.10.10.00.1130.1140.1090.1180.0530.0530.0480.0570.0910.0910.0990.0720.1250.1250.139
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-2.8-3.3-3.6-4.2-3.2-3.3-4.148-3.927-3.941-3.932-3.209-3.206-3.117-3.296-3.495-3.604-3.551-3.524-3.019-3.018-3.146
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses0.0-3300.0-3600.00.00.00.0-3670.8-3444.7-3615.6-3332.2-6054.7-6049.1-6493.8-5782.5-3840.7-3960.4-3586.9-4894.4-2415.2-2414.4-2263.3

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-200000.0-200000.0-200000.0-200000.0-200000.0-200000.0-229000.0-190000.0-185000.0-190000.0-518000.0-519000.0-426000.0-611000.0-434000.0-436000.0-471000.0-435000.0-488000.0-491000.0-609000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value300000.0200000.0200000.0200000.0200000.0200000.02000.01000.02000.027000.027000.026000.026000.074000.034000.0113000.078000.088000.087000.091000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-150.0-100.0-100.0-100.0-100.0-100.0-1.1-0.5-1.1-5.2-5.2-6.1-4.3-17.1-7.8-24.0-17.9-18.0-17.7-14.9

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value16171415141412111111111112109.94110109.9369.4279.4259.822
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.10.10.10.10.10.10.1630.1310.1250.1310.130.130.1340.1250.180.1820.1980.1850.2150.2160.259
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value8.39.09.39.39.89.29.329.4249.39.3958.2888.3078.2528.3619.0279.7298.6739.0088.9718.979.331
Percentage of DefinedBenefitPlanInterestCost8300.09000.09300.09300.09800.09200.05717.87193.97440.07171.86375.46390.06158.26688.85015.05345.64380.34869.24172.64152.83602.7

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-0.1-0.2-0.2-0.1-0.1-0.1-0.123-0.158-0.155-0.162-0.422-0.423-0.324-0.521-0.325-0.325-0.35-0.298-0.379-0.378-0.473
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value5.76.5128.38.87.89.0949.1359.0359.2358.197106.6769.2029.42108.8149.2468.2588.1929.16
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-5700.0-3250.0-6000.0-8300.0-8800.0-7800.0-7393.5-5781.6-5829.0-5700.6-1942.4-2512.3-2060.5-1766.2-2898.5-3117.8-2518.3-3102.7-2178.9-2167.2-1936.6

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value10119.89.8109.77.6677.7117.6177.8727.8927.9117.6848.1486.7457.4576.5486.5725.5435.5425.776
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value353535353434343430303030272727272626262625252626252827271818181818181818181818181818
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value353535353434343430303030272727272626262625252626252827271818181818181818181818181818
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value353535353434343430303030272727272626262625252626252827271818181818181818181818181818
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.12.21.20.70.80.88.3490.8310.8690.951
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets

us-gaap:GainLossOnDispositionOfAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value153.81.8681.61.5-1.851.0231.5142.4134.0931.64320.9511.3960.45617-0.073-0.252-0.4190.1610.113-28.421-0.7231.5764.482460.6411.1061.2620.581-0.240.6620.0980.0191.286-0.447110.50.3483.042
Percentage of GainLossOnDispositionOfAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets us-gaap:IncomeStatementLocation, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OtherOperatingIncomeExpense, mlm:CorporateHeadquarters


Gain
Period End2021-06-30
Value12
Percentage of GainLossOnDispositionOfAssets79.9

us-gaap:GainLossOnDispositionOfAssets us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Land


Gain
Period End2020-12-31
Value0.0
Percentage of GainLossOnDispositionOfAssets0.0

us-gaap:GainLossOnDispositionOfAssets us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

mlm:AustinTexasAndRiversideCalifornia, us-gaap:Land


Gain
Period End2020-12-312020-09-30
Value0.069
Percentage of GainLossOnDispositionOfAssets0.0102.6

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2925-33.2-0.3-5.44.9-39.997291620-22.847-1.271367.925-21.056-8.4813.1278.536-20.538-20.099239.231-62.2392516-20.328-21.212-9.32740-4.825-7.6661122-6.457-15.75-13.968137.7184.4120.9231014-16.675-0.8641015
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value100000.0200000.00100000.0-100000.0200000.027000.0169000.0157000.0193000.0-2000.0235000.0264000.0265000.07000.0262000.0283000.0295000.0-3000.0271000.0270000.0192000.0-17000.0278000.0260000.0265000.017000.0409000.0134000.0-6000.0105000.0131000.05000.0132000.0124000.0-8000.0109000.0166000.0-2000.0152000.0194000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent us-gaap:IncomeStatementLocation

us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent

us-gaap:OtherNonoperatingIncomeExpense


Net
Period End2021-06-302021-03-312020-12-31
Value4600000.03300000.0-800000.0
Percentage of NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value100000.000-234000.0-188000.0-184000.0-188000.0-492000.0-492000.0-400000.0-585000.0-360000.0-402000.0-358000.0-357000.0-400000.0-404000.0-518000.0-374000.0-473000.0-468000.0-469000.0-471000.0-703000.0-703000.0-791000.0-703000.0-4911000.0702000.0695000.0-702000.0-4881000.0704000.0736000.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value0.50.3-25.20.50.8-2.1-13.9-0.20.30.50.365
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.50.31.40.50.8-2.10.6-0.20.2640.497-1.3540.365-0.476-0.587-0.2240.8380.3890.137-0.583-0.198-0.2320.1150.274-1.7570.229-2.288-0.914-1.4660.8420.914-1.2440.993-1.169-0.834-0.51.435-0.053
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0-5.6100.0100.0100.0-4.3100.088.099.40.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.62.8-19.83.63.20.4-11.0142.5692.993.255-22.0884.3921.6021.619-6.1762.9782.5192.262-26.1761.557-2.2351.7897.120.072-6.091-0.564-62.878-1.140.6031.37583.548-1.3091.221-28.6893.161.3511.899-34.33-0.245.246
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2.12.5-21.23.12.42.5-11.62.72.7262.758-20.7344.0272.0081.996-6.1671.9181.911.91-25.8061.547-2.2071.4736.6471.636-6.5121.537-62.1490.146-0.4180.282592.387-0.3071.893-28.351.5681.249
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent80.889.3107.186.175.0625.0105.3105.191.284.793.991.7125.3123.399.964.475.884.498.699.498.782.393.42272.2106.9-272.598.8-12.8-69.320.6101.867.323.5155.098.849.692.5

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value2.62.83.63.20.42.53.03.24.392
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.097.3100.398.3100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.50.31.40.50.8-2.10.6-0.20.2640.497-1.3540.365-0.476-0.587-0.2240.8380.3890.137-0.583-0.198-0.2320.1150.274-1.7570.229-2.288-0.914-1.4660.8420.914-1.2440.993-1.169-0.834-0.51.435-0.053
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent19.210.7-7.113.925.0-525.0-5.4-7.88.815.36.18.3-29.7-36.33.628.115.46.12.2-12.710.46.43.8-2440.3-3.8405.71.5128.6139.666.7-2.128.089.3-68.31.745.4-3.9

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax

us-gaap:OtherNonoperatingIncomeExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value7.24.23.23.33.8013.6253.6483.6262.9245.3532.6692.6543.0653.1113.0943.0953.3142.489
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax

us-gaap:OtherNonoperatingIncomeExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.8-3.2-3.2-3.3
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-3.5-4.2-3.2-3.3-4.035-3.813-3.832-3.814-3.156-3.153-3.069-3.239-3.404-3.513-3.452-3.452-2.894-2.893-3.007-2.732-3.159-3.146-7.274-3.026-0.944-0.945-0.804-1.167-27.4833.9263.955-3.835-21.2452.8492.942
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax0.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2.64.7-1.30.4-1.60.42.8223.47-14.397-0.4956.784-2.652.4882.2693.5395.2254.395-0.002-0.067123.7312.036-0.5826.2131.533-1.192-3.0291.461-2.004-1.223-0.310.9430.515-0.7190.241-0.992-0.584-0.738-0.228-0.336-0.409-0.625-3.925
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value145.60.267-2.4-5.60.0082.8991.4444.75-8.767-3.79231-0.479-3.368-6.1819.113-0.360.7344.4413.446-0.57912-26.033-4.2942.3644.962-5.0922.4852.026-0.7422.9640.7561.8121.505-0.3941.69-0.2230.5071.021-0.1062.509-0.7321.394
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted


Participating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value200000.0100000.0100000.0300000.0200000.014000.0345000.0400000.086000.0134000.0271000.0317000.063000.01029000.0399000.0413000.0153000.0387000.0637000.0519000.0298000.0355000.0479000.0-876000.01369000.0275000.0213000.0246000.067000.0139000.0265000.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLifeInsurancePolicies

us-gaap:PaymentsForProceedsFromLifeInsurancePolicies


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.4-9.8986.5-1.07.2-0.10.0-0.3-0.2
Percentage of PaymentsForProceedsFromLifeInsurancePolicies100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100.94.40.10.20.20.40.6
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromPolicyLoans

us-gaap:PaymentsForProceedsFromPolicyLoans


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.49.81122866.50.07.2
Percentage of PaymentsForProceedsFromPolicyLoans100.0100.0100.0100.00.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312018-12-312018-09-302017-12-312017-09-302016-12-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0300000.0600000.01100000.0698000.00215000.0934000.02087000.0380000.01521000.01638000.00321000.000300000.01000.00208000.03120000.000080000.0
Percentage of PaymentsOfDebtIssuanceCosts0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.0100.0100.00.00.00.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.6000000000000019151.50.10.2122.682135.0467.1281.4490.3513.6856.381.5921.2755.2433.6952.591.5874.9660.58
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

mlm:LehighHansonIncorporationWestRegion


Payments
Period End2021-05-24
Value2300
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfDebt


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value100.06188040125210707362058070210150
Percentage of ProceedsFromIssuanceOfDebt100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment us-gaap:StatementGeographical, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

mlm:AustinTexasAndRiversideCalifornia, us-gaap:Land


Proceeds
Period End2020-12-31
Value0.4
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value19121.11232.0151.4190.9843.072.9275.6545.247552.5282.8031.049310.5391.260.7421.0593.415264200.4971.4758.8271110.7531.4015.3561.3340.2941.582.1023.9241.7632.1841.830.993.02.1880.509
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.20.60.90.11.10.21.4055.2016.4830.6110.2080.054.1422.8010.0932.084.023.9175.3813.806
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302012-09-302012-06-30
Value-2.1-2.5-5.4-3.1-2.4-2.5-2.89-2.726-2.726-2.75818-4.027-2.008-1.99613-1.918-1.91-1.9111-1.547-1.529-1.47317-1.636-4.158-1.5371.028-0.1461.9522.3871.9711.4511.65
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-2.1-2.5-5.4-3.1-2.4-2.5-2.89-2.726-2.726-2.758-2.156-4.027-2.008-1.996-1.895-1.918-1.91-1.91-2.042-1.547-1.529-1.473-2.918-1.636-4.158-1.537-0.146-0.146-0.008-0.282-14.5222.387-1.971-1.893-10.8341.451-1.65
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-11.8100.0100.0100.0-14.2100.0100.0100.0-18.0100.0100.0100.0-16.3100.0100.0100.0-14.2100.00.00.0-744.0100.0-100.00.00.0100.0-100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-2.1-2.5-3.1-2.4-2.5-2.569-2.7-2.7-4.027
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.094.299.097.9100.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value431154.4130.0
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability100.0100.0100.0100.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.26.02.6115.3129.331115.80316
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0100000.000100000.054000.096000.072000.078000.019000.05000.064000.075000.014000.019000.062000.060000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation0.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.15.51.10.21.14.51.2874.9576.4823.9740.2060.0494.0969.893100.781-1.2725.0784.5733.306117.2031.7615.905139.2861.298293.0798.3510.07-0.2416.1785.1223.9263.455-4.0971.731-1.1960.314-3.2331.71
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.15.51.10.21.14.51.2894.9566.4823.9730.2060.0494.0959.893100.781-1.2735.0774.5723.306117.2031.765.904139.2841.298293.0788.350.07-0.2416.1765.1223.9253.454-4.0981.731-1.1960.314-3.2341.71
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.15.51.10.21.14.51.2874.9576.4823.9740.2060.0494.0969.893100.781-1.2725.0784.5733.306117.2031.7615.905139.2861.298293.0798.3510.07-0.2416.1785.1223.9263.455-4.0971.731-1.1960.314-3.2331.71
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-31
Value000200000.0139000.029000.0232000.0216000.0305000.00
Percentage of StockRepurchasedDuringPeriodShares0.00.00.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-30
Value0.00.00.050407.2885040600.00.00.09969262157
Percentage of StockRepurchasedDuringPeriodValue0.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:Parent


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-30
Value0.00.00.050407.2885040600.00.00.09969262157
Percentage of StockRepurchasedDuringPeriodValue0.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-30
Value0.00.00.050407.2884939600.0010.00.09969262157
Percentage of StockRepurchasedDuringPeriodValue0.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0

mlm:AccountsAndOtherReceivablesGrossCurrent

mlm:AccountsAndOtherReceivablesGrossCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value581578526489464417425249230209186
Percentage of AccountsAndOtherReceivablesGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:AccruedInsuranceAndOtherTaxes

mlm:AccruedInsuranceAndOtherTaxes


Accrued
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value6558476367637033272934302728342924263128242332282624
Percentage of AccruedInsuranceAndOtherTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:AccruedOtherTaxesCurrent

mlm:AccruedOtherTaxesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312019-12-31
Value54424343
Percentage of AccruedOtherTaxesCurrent100.0100.0100.0100.0

mlm:AccruedSalariesBenefitsAndPayrollTaxes

mlm:AccruedSalariesBenefitsAndPayrollTaxes


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value543582524331565651
Percentage of AccruedSalariesBenefitsAndPayrollTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsPensionAndPostretirementBenefitPlans

mlm:AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsPensionAndPostretirementBenefitPlans


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-04-022014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value87888982838485818283847778797978798082656665667071676829292929296869697052535455
Percentage of AccumulatedOtherComprehensiveLossNoncurrentDeferredTaxAssetsPensionAndPostretirementBenefitPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:CommonStockPrice

mlm:CommonStockPrice


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value283.97279.64171.87221.04221.53136.58110.3299.9494.2875.41
Percentage of CommonStockPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:CommonStockPrice us-gaap:AwardType

mlm:IncentiveStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value283.97279.64171.87221.04221.53136.58110.3299.9494.28
Percentage of CommonStockPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:DeferredTaxAssetsLeaseLiability

mlm:DeferredTaxAssetsLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value105114
Percentage of DeferredTaxAssetsLeaseLiability100.0100.0

mlm:DeferredTaxAssetsValuationAndOtherReserves

mlm:DeferredTaxAssetsValuationAndOtherReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value342222223842481817148.636
Percentage of DeferredTaxAssetsValuationAndOtherReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:DeferredTaxLiabilitiesEmployeeBenefits

mlm:DeferredTaxLiabilitiesEmployeeBenefits


Deferred
Period End2020-12-312019-12-312018-12-31
Value473017
Percentage of DeferredTaxLiabilitiesEmployeeBenefits100.0100.0100.0

mlm:DeferredTaxLiabilitiesRightOfUseAssets

mlm:DeferredTaxLiabilitiesRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value111112
Percentage of DeferredTaxLiabilitiesRightOfUseAssets100.0100.0

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax us-gaap:RetirementPlanType

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.31.72.7011.3932.369
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax100.0100.0100.0100.0100.0

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetOfTax us-gaap:RetirementPlanType

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetOfTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-2.7-3.6-5.089-5.292-4.92
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax us-gaap:RetirementPlanType

mlm:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-1400000.0-1900000.0-2388000.0-3899000.0-2551000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax100.0100.0100.0100.0100.0

mlm:FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment

mlm:FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment


Finance
Period End2020-12-312019-12-31
Value6900000.03100000.0
Percentage of FinanceLeaseRightOfUseAssetAccumulatedDepreciationPropertyPlantAndEquipment100.0100.0

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross


Finance
Period End2020-12-312019-12-31
Value3718
Percentage of FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentGross100.0100.0

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet

mlm:FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet


Finance
Period End2020-12-312019-12-31
Value3015
Percentage of FinanceLeaseRightOfUseAssetPropertyPlantAndEquipmentNet100.0100.0

mlm:FiniteLivedIntangibleAssetsAmortizationExpensesAfterYearFour

mlm:FiniteLivedIntangibleAssetsAmortizationExpensesAfterYearFour


Finite
Period End2021-06-30
Value587
Percentage of FiniteLivedIntangibleAssetsAmortizationExpensesAfterYearFour100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightment

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightment


Future
Period End2020-12-31
Value120
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightment100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueAfterYearFive

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueAfterYearFive


Future
Period End2020-12-31
Value35
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueAfterYearFive100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueNextTwelveMonths

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueNextTwelveMonths


Future
Period End2020-12-31
Value16
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueNextTwelveMonths100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFive

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFive


Future
Period End2020-12-31
Value17
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFive100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFour

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFour


Future
Period End2020-12-31
Value17
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearFour100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearThree

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearThree


Future
Period End2020-12-31
Value16
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearThree100.0

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearTwo

mlm:FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearTwo


Future
Period End2020-12-31
Value16
Percentage of FutureMinimumLeaseCommitmentsRelatedToContractsOfAffreightmentDueYearTwo100.0

mlm:GuaranteeObligationsOutstanding

mlm:GuaranteeObligationsOutstanding


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-30
Value5800000.07800000.08400000.09400000.0
Percentage of GuaranteeObligationsOutstanding100.0100.0100.0100.0

mlm:LandAndLandImprovementsGross

mlm:LandAndLandImprovementsGross


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value123111351089974915865849728645620594
Percentage of LandAndLandImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mlm:LesseeOperatingLeaseLiabilityPaymentsDueCurrent

mlm:LesseeOperatingLeaseLiabilityPaymentsDueCurrent


Lessee
Period End2020-12-31
Value459
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueCurrent100.0

mlm:LesseeOperatingLeaseLiabilityPaymentsDueNoncurrent

mlm:LesseeOperatingLeaseLiabilityPaymentsDueNoncurrent


Lessee
Period End2020-12-31
Value410
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNoncurrent100.0

mlm:LesseeOperatingLeaseLiabilityUndiscountedFixedPaymentCommitmentsOfLeasesButNotYetCommenced

mlm:LesseeOperatingLeaseLiabilityUndiscountedFixedPaymentCommitmentsOfLeasesButNotYetCommenced


Lessee
Period End2020-12-31
Value151
Percentage of LesseeOperatingLeaseLiabilityUndiscountedFixedPaymentCommitmentsOfLeasesButNotYetCommenced100.0

mlm:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent

mlm:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1300000.02000000.0950000.02560000.03070000.02120000.02770000.01970000.0
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDue

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDue


Royalty
Period End2020-12-312019-12-312018-12-31
Value119114119
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDue100.0100.0100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueAfterYearFive

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueAfterYearFive


Royalty
Period End2020-12-31
Value61
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueAfterYearFive100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueNextTwelveMonths

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueNextTwelveMonths


Royalty
Period End2020-12-31
Value18
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueNextTwelveMonths100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFive

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFive


Royalty
Period End2020-12-31
Value8900000.0
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueYearFive100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFour

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearFour


Royalty
Period End2020-12-31
Value9400000.0
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueYearFour100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearThree

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearThree


Royalty
Period End2020-12-31
Value10
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueYearThree100.0

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearTwo

mlm:RoyaltyCommitmentsFutureMinimumPaymentsDueYearTwo


Royalty
Period End2020-12-31
Value11
Percentage of RoyaltyCommitmentsFutureMinimumPaymentsDueYearTwo100.0

mlm:SuretyBonds

mlm:SuretyBonds


Surety
Period End2020-12-31
Value390
Percentage of SuretyBonds100.0

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


Accounts
Period End2020-12-312019-12-312018-12-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value575573523675466487582570479457566534448410421245
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value572564514480456408418246226197184
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInsuranceNoncurrent

us-gaap:AccruedInsuranceNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3739484842454225
Percentage of AccruedInsuranceNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:RetirementPlanType

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value160148146134133
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5900000.04700000.03353000.02390000.06266000.06940000.04077000.04081000.06069000.05295000.03578000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value15314312110910189704846434138
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value164163162154151144157118116111108
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value7035430419370424214953374453331422144650168
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConstructionContractorReceivableRetainage

us-gaap:ConstructionContractorReceivableRetainage


Construction
Period End2021-06-302021-03-312020-12-312019-12-31
Value8.67.51010
Percentage of ConstructionContractorReceivableRetainage100.0100.0100.0100.0

us-gaap:ContractReceivableRetainage

us-gaap:ContractReceivableRetainage


Contract
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value109.58.510116.95.47.5288.7336.5784.8249.0297.684.155.759
Percentage of ContractReceivableRetainage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value121.42.28.17.23.82.87.7259.4522.2381.9751.31
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value9.91114139.95.47.88.0219.0885.8146.7437.204
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DebtInstrumentFaceAmount

mlm:ThreePointTwoZeroZeroPercentSeniorNotesDueTwentyFiftyOne, us-gaap:SubsequentEvent


Debt
Period End2021-07-02
Value900
Percentage of DebtInstrumentFaceAmount100.0

mlm:TwoPointFourZeroZeroPercentSeniorNotesDueTwentyThirtyOne, us-gaap:SubsequentEvent


Debt
Period End2021-07-02
Value900
Percentage of DebtInstrumentFaceAmount100.0

mlm:ZeroPointSixFiveZeroPercentSeniorNotesDueTwentyTwentyThree, us-gaap:SubsequentEvent


Debt
Period End2021-07-02
Value700
Percentage of DebtInstrumentFaceAmount77.8

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

mlm:FourPointTwoFivePercentSeniorNotesDueTwentyTwentyFour


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4.250.04250.04250.04250.04250.0425
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0100.0100.0

mlm:FourPointTwoFiveZeroPercentSeniorNotesDueTwentyFourtySeven


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.270.04270.04270.0427
Percentage of DebtInstrumentInterestRateEffectivePercentage100.5100.5100.5100.5

mlm:SevenPercentDebenturesDueTwentyTwentyFive


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7.120.07120.07120.07120.07120.0712
Percentage of DebtInstrumentInterestRateEffectivePercentage167.5167.5167.5167.5167.5167.5

mlm:SixPointTwoFivePercentSeniorNotesDueTwentyThirtySeven


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.450.06450.06450.06450.06450.0645
Percentage of DebtInstrumentInterestRateEffectivePercentage151.8151.8151.8151.8151.8151.8

mlm:ThreePointFiveZeroZeroPercentSeniorNotesDueTwentyTwentySeven


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.530.03530.03530.0353
Percentage of DebtInstrumentInterestRateEffectivePercentage83.183.183.183.1

mlm:ThreePointFourFiveZeroPercentSeniorNotesDueTwentyTwentySeven


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.470.03470.03470.0347
Percentage of DebtInstrumentInterestRateEffectivePercentage81.681.681.681.6

mlm:TwoPointFiveZeroZeroPercentSeniorNotesDueTwentyThirty


Debt
Period End2020-12-31
Value2.71
Percentage of DebtInstrumentInterestRateEffectivePercentage63.8

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value10841022870587921876927338
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value310298173187267302443108115124119
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6962525671756453546059
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.010101110111715.3798.891106.97
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2300000.02900000.03052000.03963000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOtherComprehensiveLoss

us-gaap:DeferredTaxAssetsOtherComprehensiveLoss


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value898584808267703173584252
Percentage of DeferredTaxAssetsOtherComprehensiveLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOtherComprehensiveLoss us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value89858479826668297055
Percentage of DeferredTaxAssetsOtherComprehensiveLoss100.0100.0100.099.899.198.197.492.896.394.7

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value800000.0900000.0784000.01060000.0937000.02509000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value15415117016826826628878705461
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesInvestments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value272720415
Percentage of DeferredTaxLiabilitiesInvestments100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value743700478407635593638257260258235
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7410912924123520822952
Percentage of DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7.26.48.992116.2236.0484.1830.056
Percentage of DefinedBenefitPensionPlanLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value10810312023022920122552
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value974878771792752688684453481417366
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-4.2-5.7-7.985-8.57-8.01
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value251235233217218
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax-5992.9-4136.8-2926.7-2536.2-2727.5

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-157100000.0-144500000.0-146590000.0-134070000.0-133080000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2000000.02700000.04238000.02256000.03857000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-245900000.0-229400000.0-233690000.0-217240000.0-218060000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax-12295.0-8496.3-5514.1-9629.4-5653.5

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3700000.04000000.09000.071000.0261000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-2200000.0-3000000.0-3747000.0-6314000.0-4153000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5800000.06400000.014000.0115000.0425000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax-263.6-213.3-0.4-1.8-10.2

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent


Defined
Period End2020-12-31
Value42
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.480.03290.04150.03470.0378
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3.160.03690.04380.03760.0429
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate127.4112.2105.5108.4113.5

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4.50.0450.0450.0450.045
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value121313152023
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1111977847879831754
Percentage of DefinedBenefitPlanBenefitObligation8824.67521.56378.55729.74039.93223.4

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.44.75.8094.888
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value288271260261
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter6554.55766.04477.85349.3

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.32.00.952.56
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value43434043
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths3361.52175.04298.41683.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.11.21.2541.393
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value53504746
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive4845.54241.73761.63328.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.21.31.3441.47
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value52474544
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour4366.73661.53411.33031.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.31.41.4191.557
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value48464443
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree3730.83300.03117.52770.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.41.41.4921.61
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value52444240
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo3721.43200.02875.92540.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear us-gaap:StatementScenario, us-gaap:RetirementPlanFundingStatus, us-gaap:RetirementPlanTaxStatus

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear

srt:ScenarioForecast, us-gaap:UnderfundedPlan, us-gaap:NonqualifiedPlan


Defined
Period End2020-12-31
Value14
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-31
Value82
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:RetirementPlanType

mlm:PostretirementHealthCarePlans


Defined
Period End2021-12-312017-12-31
Value1.32.56
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear0.00.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:StatementScenario

srt:ScenarioForecast


Defined
Period End2020-12-31
Value60
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear72.9

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear us-gaap:StatementScenario, us-gaap:RetirementPlanType

srt:ScenarioForecast, mlm:PostretirementHealthCarePlans


Defined
Period End2020-12-31
Value2.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear2.4

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1037868717638596546524443376325311266
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories

mlm:DefinedBenefitPlanPrivateInfrastructure


Defined
Period End2020-12-31
Value50
Percentage of DefinedBenefitPlanFairValueOfPlanAssets4.8

us-gaap:CashEquivalents


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.53.02.8640.041
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.30.30.40.0

us-gaap:DefinedBenefitPlanEquitySecuritiesUsMidCap


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value302262196177
Percentage of DefinedBenefitPlanFairValueOfPlanAssets29.130.227.427.8

us-gaap:DefinedBenefitPlanEquitySecuritiesUsSmallCap


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value328290210186
Percentage of DefinedBenefitPlanFairValueOfPlanAssets31.633.429.329.2

us-gaap:DefinedBenefitPlanRealEstate


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value80423546
Percentage of DefinedBenefitPlanFairValueOfPlanAssets7.74.95.07.3

us-gaap:FixedIncomeSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value248242228182
Percentage of DefinedBenefitPlanFairValueOfPlanAssets23.928.031.828.6

us-gaap:HedgeFunds


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312011-12-312010-12-31
Value24264445443938211213
Percentage of DefinedBenefitPlanFairValueOfPlanAssets2.43.06.27.17.47.27.34.94.04.3

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel

mlm:DefinedBenefitPlanPrivateInfrastructure, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-31
Value50
Percentage of DefinedBenefitPlanFairValueOfPlanAssets4.8

us-gaap:CashEquivalents, us-gaap:FairValueInputsLevel1


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3.53.02.8640.041
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.30.30.40.0

us-gaap:DefinedBenefitPlanEquitySecuritiesUsMidCap, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value302262196177
Percentage of DefinedBenefitPlanFairValueOfPlanAssets29.130.227.427.8

us-gaap:DefinedBenefitPlanEquitySecuritiesUsSmallCap, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value328290210186
Percentage of DefinedBenefitPlanFairValueOfPlanAssets31.633.429.329.2

us-gaap:DefinedBenefitPlanRealEstate, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value80423546
Percentage of DefinedBenefitPlanFairValueOfPlanAssets7.74.95.07.3

us-gaap:FixedIncomeSecurities, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value248242228182
Percentage of DefinedBenefitPlanFairValueOfPlanAssets23.928.031.828.6

us-gaap:HedgeFunds, us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24264445
Percentage of DefinedBenefitPlanFairValueOfPlanAssets2.43.06.27.1

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3.53.02.8640.0410.145163.621.8580.3810.459
Percentage of DefinedBenefitPlanFairValueOfPlanAssets0.30.30.40.00.02.90.70.40.10.1

us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1034865715638
Percentage of DefinedBenefitPlanFairValueOfPlanAssets99.799.799.6100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1037868717638596546
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value121313-15.347-20.591
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value74109129-241.229-235.642
Percentage of DefinedBenefitPlanFundedStatusOfPlan587.3844.6977.91571.81144.4

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6.50.06750.070.070.07
Percentage of DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value999685792752
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value0.60.60.56638596
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value11610798879831
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

mlm:DefinedBenefitPlanPrivateInfrastructure


Defined
Period End2020-12-31
Value6.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0

us-gaap:DebtSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value24.00.30.30.3
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage400.00.00.00.0

us-gaap:EquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value56.00.560.560.54
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage933.30.00.00.0

us-gaap:HedgeFunds


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.00.040.040.08
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage66.70.00.00.0

us-gaap:RealEstate


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value10.00.10.10.08
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage166.70.00.00.0

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4.750.04750.050.050.05
Percentage of DefinedBenefitPlanUltimateHealthCareCostTrendRate1100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

mlm:DefinedBenefitPlanPrivateInfrastructure


Defined
Period End2020-12-312019-12-31
Value5.00
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations100.00.0

us-gaap:DebtSecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value24.00.280.320.290.280.310.290.330.330.34
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations480.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecurities


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value61.00.640.570.570.570.550.590.570.570.57
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations1220.00.00.00.00.00.00.00.00.00.0

us-gaap:HedgeFunds


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2.00.030.060.070.070.070.040.050.050.04
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations40.00.00.00.00.00.00.00.00.00.0

us-gaap:RealEstate


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8.00.050.050.070.080.070.070.040.050.05
Percentage of DefinedBenefitPlanWeightedAverageAssetAllocations160.00.00.00.00.00.00.00.00.00.0

us-gaap:DueFromAffiliateCurrent

us-gaap:DueFromAffiliateCurrent


Due
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3900000.02900000.02478000.02819000.02578000.03794000.03765000.03192000.0
Percentage of DueFromAffiliateCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value262322242022227.0865.9247.843
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

mlm:IncentiveStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.70.50.4950.4580.340.3340.2410.1950.051
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized2.72.22.21.81.61.51.12.80.9

us-gaap:RestrictedStock


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value252221241918204.8784.4
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized97.397.897.697.093.486.289.068.874.3

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value248.79.531101110
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3300000.02800000.03058000.03268000.03456000.03249000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value215.96.4737.0957.8627.63
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value3112131413
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value174.1774.1774.1763.893
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value4000000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value1500000.0779000.0779000.0779000.0713000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value2300000.01094000.01094000.01094000.01004000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value2700000.01951000.01951000.01951000.01735000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value2900000.03196000.03196000.03243000.02695000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-312019-09-302019-06-302019-03-312018-12-31
Value6800000.02614000.02740000.02881000.02879000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value3718
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-312019-12-31
Value3.35.2
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value122113101888075685440272319151214
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

mlm:OperatingPermits


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value5148423631292619125.5753.5511.394
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization42.142.741.540.738.739.638.736.030.520.415.17.2

mlm:UseRightsAndOther


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value131312111010109.2398.036.946.6697.556.4165.3075.49
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization11.111.511.912.713.314.315.217.120.025.428.439.140.141.438.3

us-gaap:CustomerRelationships


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value4035302518191713107.6546.8246.164.12.071.347
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization32.831.429.828.822.625.925.425.226.028.129.131.925.616.19.4

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value4.14.16.26.179116.1626.1446.1066.0695.9715.8745.5835.4765.4477.485
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.33.66.17.013.78.29.011.315.121.925.028.934.242.552.3

us-gaap:TradeNames


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-30
Value1312109.6979.3879.0767.9475.6813.4081.1430.572
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization10.610.810.710.911.612.111.610.58.54.22.4

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value408
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302020-12-31
Value2214
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-30
Value11
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value12
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302020-12-31
Value2212
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302020-12-31
Value2212
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302020-12-31
Value2212
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value81158556056055955954053652256956943424322
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

mlm:OperatingPermits


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value4604604594584584584584554504984986.8
Percentage of FiniteLivedIntangibleAssetsGross56.878.781.981.982.082.084.984.886.387.587.515.5

mlm:UseRightsAndOther


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value16161616191616161615151615159.105
Percentage of FiniteLivedIntangibleAssetsGross2.02.83.03.03.52.93.13.23.22.72.738.637.336.940.5

us-gaap:CustomerRelationships


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value306916565566545453536362020203.55
Percentage of FiniteLivedIntangibleAssetsGross37.815.611.711.710.111.78.58.56.96.46.447.147.346.915.8

us-gaap:NoncompeteAgreements


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-31
Value4.24.26.36.314126.2746.2746.2746.2746.2746.2746.2746.566.9849.85
Percentage of FiniteLivedIntangibleAssetsGross0.50.71.11.12.11.11.21.21.21.11.114.315.416.243.8

us-gaap:TradeNames


Finite
Period End2021-06-302020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312014-09-30
Value2312121212121212121212
Percentage of FiniteLivedIntangibleAssetsGross2.92.22.32.32.32.32.42.42.52.22.2

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value182918311731153919281823162316231622162216227.386187.349187.709187.49187.516187.669187.6442612271127
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryGross

us-gaap:InventoryGross


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value916876889893890874859813807805822811808754744715688677656638637615599587600624604583444453446447444443429432429427415426422423418411406
Percentage of InventoryGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterials


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6137353536363231
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1871861801781781741681641601591591601571481431391381401341301321291301231201191191089698999795969697979492888691878786
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcess


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3026373837404135
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value66
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-312011-12-31
Value3232323131323235353636454546461514
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-06-302013-03-31
Value2.62.62.62.32.32.32.32.32.32.32.3012.3012.3012.3012.3011.96292.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.5072.507
Percentage of LettersOfCreditOutstandingAmount8.08.18.17.37.27.07.06.56.56.46.40.00.00.05.10.00.00.05.50.00.00.05.40.00.00.05.40.00.00.00.00.0

us-gaap:LineOfCredit us-gaap:DebtInstrument

us-gaap:LineOfCredit

mlm:TradeReceivableCreditFacility


Line
Period End2021-06-302019-12-31
Value240340
Percentage of LineOfCredit100.0100.0

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

mlm:TradeReceivableCreditFacility


Line
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-30
Value1.090.00890.02310.02420.02830.03170.03210.03070.02830.02710.01960.01780.01510.01340.01220.01160.01130.0090.00880.00760.0075
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3220292030802980305032302940307031703130301231443154303731441830188519371752187618901817162517811729169116801707116811271068115211411155
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value2103
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value124
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value397
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value100000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:MineralPropertiesGross

us-gaap:MineralPropertiesGross


Mineral
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value252925092506116211141001990461430421351
Percentage of MineralPropertiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value4.24.3
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value137161168197220239244121
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthorityName

us-gaap:InternalRevenueServiceIRS


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value3.14.13.2190.00.033465
Percentage of OperatingLossCarryforwards2.32.51.90.00.014.1190.2

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OperatingLossCarryforwardsValuationAllowance


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.19.08.576108.3038.695.0845.0065.1858.8466.329
Percentage of OperatingLossCarryforwardsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherIntangibleAssetsNet

us-gaap:OtherIntangibleAssetsNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value7255045085044814834864914934985017478616763656769706475656567
Percentage of OtherIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInventorySupplies

us-gaap:OtherInventorySupplies


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1481511491451441401411421401361391391341281281261201201161141131121101081121251251276564616159595656555453535149464646
Percentage of OtherInventorySupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1213131520232527
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent

us-gaap:OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1111121217212225
Percentage of OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherReceivablesGrossCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.414129.5577.6689.317.0622.9743.542112.082
Percentage of OtherReceivablesGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension