MTRN


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

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

us-gaap:EarningsPerShareBasic
us-gaap:IncomeStatementLocation

us-gaap:EarningsPerShareDiluted
us-gaap:IncomeStatementLocation

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold
us-gaap:IncomeStatementLocation

us-gaap:GrossProfit
us-gaap:IncomeStatementLocation

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:IncomeStatementLocation

us-gaap:IncomeTaxExpenseBenefit
us-gaap:IncomeStatementLocation

us-gaap:InterestExpense

us-gaap:NetIncomeLoss
us-gaap:IncomeStatementLocation
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss
us-gaap:IncomeStatementLocation
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense

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

us-gaap:Revenues
us-gaap:StatementBusinessSegments

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet
us-gaap:BalanceSheetLocation

us-gaap:InventoryFinishedGoods

us-gaap:InventoryLIFOReserve

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:BalanceSheetLocation

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:BalanceSheetLocation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:BalanceSheetLocation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:BalanceSheetLocation
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:StatementGeographical

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:BalanceSheetLocation
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:BusinessAcquisition

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:BalanceSheetLocation

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

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:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:BalanceSheetLocation

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:IncomeStatementLocation
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
us-gaap:AwardType, us-gaap:PlanName

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:BalanceSheetLocation
mtrn:ChangeinUnbilledReceivables
us-gaap:BalanceSheetLocation
mtrn:ContractwithCustomerAssetNetCurrentChange
us-gaap:BalanceSheetLocation
mtrn:ContractwithCustomerAssetPercentChange
us-gaap:BalanceSheetLocation
mtrn:ContractwithCustomerLiabilityPercentChange

mtrn:CostOfMineDevelopment
us-gaap:RetirementPlanType
mtrn:DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements

mtrn:ExpectedMineDevelopmentCosts

mtrn:GrossProfitPercentage

mtrn:IncreaseDecreaseInInterestAndTaxesPayable
us-gaap:RetirementPlanType
mtrn:Mtrn_DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements

mtrn:OtherNet
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensationShares

us-gaap:AssetImpairmentCharges

us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:DeferredRevenueAdditions
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:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:HedgingDesignation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:DividendsSharebasedCompensationStock

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfLIFOInventoryLiquidationOnIncome

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GoodwillImpairmentLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillOtherIncreaseDecrease
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxReconciliationOtherReconcilingItems

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredRevenue
us-gaap:BalanceSheetLocation

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:AwardType
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LeaseCost

us-gaap:NotionalAmountOfNonderivativeInstruments

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherNoninterestExpense

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingIncomeExpenseNet
us-gaap:StatementBusinessSegments
us-gaap:OtherRestructuringCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PriorPeriodReclassificationAdjustment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromShortTermDebt

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:RestructuringCharges
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:SeveranceCosts1
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:StatementEquityComponents
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

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

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

dei:EntityCommonStockSharesOutstanding
us-gaap:BusinessAcquisition
mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedIncomeTaxes
us-gaap:BusinessAcquisition
mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesEmployeeRelatedLiabilities
us-gaap:BusinessAcquisition
mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesUnearnedRevenue
us-gaap:BusinessAcquisition
mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities
us-gaap:BusinessAcquisition
mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLongTermIncomeTaxes
us-gaap:BusinessAcquisition
mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRetirementPostEmploymentBenefits
us-gaap:BusinessAcquisition
mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnearnedIncome

mtrn:DeferredTaxAssetsLeaseObligations

mtrn:DeferredTaxLiabilitiesDeferredExpenseMineDevelopment

mtrn:DeferredTaxLiabilitiesLeaseObligations

mtrn:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments
us-gaap:FairValueByFairValueHierarchyLevel

mtrn:FinanceLeaseLiabilityPaymentsDueAfterYearFour

mtrn:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour
us-gaap:IncomeTaxAuthority
mtrn:OperatingLossCarryforwardsSubjectToExpiration
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableIntrinsicValue1
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingIntrinsicValue
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber
us-gaap:AwardType
mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

mtrn:UnrepatriatedEarnings

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedSalariesCurrent
us-gaap:RetirementPlanType
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest

us-gaap:CapitalizedComputerSoftwareNet
us-gaap:BalanceSheetLocation
us-gaap:ContractWithCustomerAssetGrossCurrent
us-gaap:BalanceSheetLocation
us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncome

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities
us-gaap:BalanceSheetLocation
us-gaap:DeferredRevenue

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

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

us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:Range, us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeAssetNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeNet

us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation

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:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount
us-gaap:BalanceSheetLocation
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:StatementBusinessSegments
us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:InventoryGross

us-gaap:InventoryRawMaterials

us-gaap:InventoryWorkInProcess

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesRelatedToInvestmentContractsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:DebtInstrument

us-gaap:LinesOfCreditCurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtPercentageBearingFixedInterestRate

us-gaap:LongtermDebtPercentageBearingFixedInterestAmount

us-gaap:LossContingencyPendingClaimsNumber

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherAdditionalCapital

us-gaap:OtherAssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherLongTermDebt
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:RestructuringReserve
us-gaap:RestructuringPlan, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShortTermBorrowings
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount

us-gaap:TreasuryStockShares
us-gaap:StatementEquityComponents
us-gaap:BalanceSheetLocation
us-gaap:UnbilledContractsReceivable

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Derivative Assets
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Derivative Liabilities
Current Liabilities
Long Term Debt Current
Noncurrent Liabilities
Accrued Income Taxes Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
OperatingLeaseLiability
Operating Lease Liability Noncurrent
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Finished Goods
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:CommonStockValue ██▇▇▇▇▆▆▆▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁268.205264.94258.642257.019256.756253.967249.674247.651245.785241.48234.704232.846230.763227.694223.484219.817218.902216.527212.702212.168211.275210.175208.967207.432203.125201.838202.104201.03200.078NA197.576NANANA191.169NANANA185.913NANANA180.161NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents mtrn:CommonShares█▇▆▆▆▅▇▇▇▆▄▄▄▃▁20.43820.41420.32820.32720.32220.3120.40420.40320.39920.35420.24220.24420.23620.19120.107NANANA19.949NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued ▄▄▄▄▄▄▄▄▄▄▄▄▄27.14827.14827.14827.14827.14827.14827.14827.14827.14827.14827.14827.14827.148NA27.148NANANA27.148NANANA27.145NANANA27.226NANANA27.164NANANA27.05NANANA27.024NANANA26.968NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁20.65120.628NA20.59220.55420.384NA20.67720.66620.606NA20.64820.59320.574NA20.41120.34720.375NA20.19220.21420.228NA20.38320.46120.447NA20.82721.00120.962NA20.93120.86920.824NA20.69720.66620.707NA20.74920.83220.796NA20.55320.6NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁20.42920.374NA20.32520.31720.384NA20.40120.38320.267NA20.24120.22120.135NA20.0420.01219.969NA19.95720.01520.018NA20.08720.15320.144NA20.4920.64220.604NA20.60420.56620.481NA20.43220.4320.37NA20.37720.42120.356NA20.27320.323NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities mtrn:OutofTheMoney▁█0.0527090.063627NA0.1143350.19150.302573NA0.0705620.0845090.201394NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic █▇▆▆▆▄▇▅▇▇▁█▆▆▃▆▆▅▆▆▆▆▆▆▆▆▇▇▆▆▅▅▆▆▅▆▆▆▅▇▇▇▇▇▇▆0.870.820.40.320.33-0.150.720.170.760.83-1.030.990.550.52-0.410.470.370.150.340.40.280.270.340.350.440.480.590.610.480.360.180.250.430.330.120.40.390.30.040.660.680.580.620.660.680.33
us-gaap:EarningsPerShareDiluted █▇▆▆▆▄▇▅▇▇▁█▆▆▃▆▆▅▆▆▆▆▆▆▆▆▇▇▆▆▅▅▆▆▅▆▆▆▅▇▇▇▇▇▇▆0.870.810.390.320.32-0.150.710.170.750.82-1.030.970.540.51-0.410.460.360.150.330.40.270.270.330.340.430.470.580.60.470.350.180.240.430.330.120.390.380.30.040.650.670.570.610.650.670.33
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
 Operating Margin us-gaap:StatementBusinessSegments mtrn:AdvancedMaterialTechnologies█▁3.1852.687NA6.6028.9979.191NA17.16119.2617.213NA13.26511.411.652NA12.81413.24716.447NA21.50517.42915.176NA15.31616.12917.385NA1.8950.5790.4970.4150.5230.7770.7480.8650.52NANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments mtrn:PerformanceAlloysandComposites█▁0.010.005NANA-0.2130.215NANA0.0060.009NA0.0020.0030.028NA0.0540.0040.055NA0.0470.1170.062NA0.1910.3650.177NA0.0890.1810.232NANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments mtrn:PrecisionCoatingsNANANA30.38619.74618.71424.15827.62529.37430.30330.88229.01828.99631.686NA27.10530.25733.38NA38.6738.52336.762NANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin us-gaap:StatementBusinessSegments mtrn:PrecisionOptics▁█32.59135.599NANA19.74618.714NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
 TTM Greenblatt ROC _ _▇▇▄▂▄▁▆▄██▆▇▆▆▆▅▅▃▃▅▄▄▄▅▅▆▆▇▆▅▂▄▆▅▂▆▅▅▂▇█▇20.72319.7186.8280.7138.706-4.56316.0496.28922.7521.38714.38718.66615.19213.25113.86711.5589.7343.423.64410.1515.7777.5328.06410.15912.82114.22413.91517.42114.56811.053-2.0635.98213.399.5221.05813.38912.4459.8840.96617.19120.84518.077NANANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:AllocatedShareBasedCompensationExpense ▄▃▃▁▅▂▄▄▆▅▄▇▅▄▃▃▄▄▄▄▂▃▁▃▃▅█▂▃▃2.21.61.60000000000000050.13.11.02.42.53.52.72.04.22.72.51.51.52.42.32.32.11.11.20.31.21.63.14.91.11.61.4NA1.41.51.2NA1.51.41.4NA1.41.21.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▇▆▆▆▅▄▆▅█▇▇▇▆▆▁▆▅▅▄▆▅▅▅▅▆▆▂▆▆▇█▅▆▅▃▆▆▅20.8719.3199.5339.2868.28-4.81413.1473.58328.83217.8718.29621.71413.25912.28-28.27910.3528.1734.449-4.059.3177.6937.3048.2157.0198.9929.464-20.9512.2910.72217.3126.9356.4059.2565.653-15.8069.6998.5416.017NA14.97814.97813.489NANANANA
us-gaap:CostOfGoodsAndServicesSold █▇▆▃▁▂▁▃▁▂▂▂▃▃▃▂▃301.418287.59283.892240.531223.378232.371225.679241.034228.249232.129232.018232.258247.247245.187249.22238.821241.064NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit █▇▅▃▃▂▅▇██▇▇▆▅▅▅▅▂▂▄▂▂▂▂▄▄▅▅▃▂▃▂▄▃▂▄▄▃▁▅▆▅▆▅▅▃69.58166.79655.79746.6448.0945.57555.00764.94569.59469.31266.05264.93561.83858.2858.73855.20354.55742.99644.04550.75545.30643.35743.09544.00351.32752.35555.79754.84349.80145.46249.16445.13752.82148.33943.97252.36953.02449.41839.557.3562.67155.859.26758.21455.85349.314
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ██▆▅▆▄▇▆██▁▇▇▇▇▇▆▅▅▆▆▆▆▆▇▇▇▇▇▆▅▆▇▆▅▇▇▆▅▇█▇███21.14220.2336.8560.4558.298-3.86515.9255.72619.13820.676-27.07817.25314.08812.07913.40511.0259.0392.9273.2729.6615.2657.1177.5079.57312.17113.56713.2616.65713.89610.358-2.7435.26712.5778.6940.22112.6111.6259.1860.15916.38420.23217.49218.48720.08819.807NA
us-gaap:IncomeTaxExpenseBenefit ▃▃▂▁▃▂▃▃▃▄▁▂▃▃█▃▃▃▂▃▂▃▃▃▃▄▃▄▄▃▂▃▃▃▂▄▃▃▂▃▄▄▄▄▄3.2743.466-1.21-6.0411.62-0.7621.5792.2633.5983.77-6.25-2.7132.9441.51521.6371.7051.726-0.123-3.5061.616-0.2841.7490.7922.6373.2933.9381.2844.2173.9223.027-1.6330.1443.6681.909-2.2824.4963.6963.068-0.6032.8576.365.6745.8586.736.088NA
us-gaap:InterestExpense █▁0.8580.761NA1.3341.2590.246NA0.4360.50.466NA0.6130.6670.73NA0.5330.6950.493NA0.490.5120.415NA0.5860.650.657NA0.7640.6720.695NA0.7150.8130.828NA0.7790.820.698NA0.807NANANANANANA
us-gaap:NetIncomeLoss █▇▆▆▆▄▇▅▇▇▁█▆▆▃▆▆▅▆▆▆▅▆▆▆▆▇▇▆▆▅▅▆▆▅▆▆▆▅▇▇▇▇▇▇▆17.86816.7678.0666.4966.678-3.10314.7513.46315.5416.906-20.82819.96611.14410.564-8.2329.327.3133.056.7788.0455.5495.3686.7156.9368.8789.62911.97612.449.9747.3313.7755.1238.9096.7852.5038.1147.9296.1180.76213.52713.87211.81812.62913.35813.7196.721
us-gaap:OperatingIncomeLoss ▇▇▄▂▄▁▆▄██▆▇▆▆▆▅▅▃▃▅▄▄▄▅▅▆▆▇▆▅▂▄▆▅▂▆▅▅▂▇█▇▇█▇20.72319.7186.8280.7138.706-4.56316.0496.28922.7521.38714.38718.66615.19213.25113.86711.5589.7343.423.64410.1515.7777.5328.06410.15912.82114.22413.91517.42114.56811.053-2.0635.98213.399.5221.05813.38912.4459.8840.96617.19120.84518.07719.00720.92320.498NA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▁3.193-8.857NA3.0761.166-0.873NA-0.4630.339-0.503NA0.116-0.9441.113NA0.2710.2751.103NA0.4671.1671.284NA0.3590.316-1.57NA-2.170.1260.589NA0.478-0.626-2.754NA1.271-0.068-0.754NA-0.224NANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▃▅▄▄▄▄▄▅▄█▄▄▄▂▄▄▄▃▄▄▄▄▄▄▄▁▄▄▅▇▄▄▄▂▄▄▄3.003-7.4484.1422.791.602-1.711-1.6040.1213.2920.96439.1241.7482.1151.716-20.0471.0320.861.399-10.8281.2722.1441.9361.50.0830.114-0.165-32.926-0.150.7489.97928.0451.2820.347-1.132-18.3091.5850.612-0.101NA1.451NANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ████████▇█▁███████1.2771.2761.0681.0760.8510.9440.053-0.127-3.112-0.245-41.004-0.8-0.437-0.442-0.5-0.4-0.368-0.267NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense █▇▇▆▅▅▆▆▄▄▃▅▄▄▄▃▄▃▃▃▃▃▃▂▄▃▃▃▃▃▄▃▃▄▃▃▃▃▃▃▂▂▁▁▁6.6046.2066.1795.4174.5024.1855.2075.2624.0623.743.4344.253.863.6433.8783.4293.5443.132.9423.2373.1713.4523.3612.5013.5863.3483.3773.2433.4432.7873.5313.193.1543.5573.1953.0193.1983.0923.1352.8212.7142.411.8871.7431.798NA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇▇▆▅▆▆▆▆▆▆▆▆▆▆▆▆▅▅▁▁▁▅▁▁▁▆▁▁▁▆▁▁▁▆▁▆▇▇▇█▇▇▆▆▆370.999354.386339.689287.171271.468277.946280.161305.979297.843301.441298.07297.193309.085303.467308.668294.268295.842240.669234.3321.55217.54615.238214.03915.50716.49417.562288.4262.5781.3241.283286.1381.1891.6651.478303.7591.483325.088353.63334.421392.794424.71374.805355.977325.309325.946295.082
us-gaap:Revenues ▁▁▇▁▁▁▆▁▁▁▆▁▁▁▆▁▁▁▅▁▁▁▅▁▁▁▆▁▁▁▆▁▁▁▆▁▆▇▇▇█▇▇▆▆▆3.1952.692339.6896.6028.7849.406280.16117.16119.26617.222298.0713.26711.40311.68308.66812.86813.25116.502234.3321.55217.54615.238214.03915.50716.49417.562288.4262.5781.3241.283286.1381.1891.6651.478303.7591.483325.088353.63334.421392.794424.71374.805355.977325.309325.946295.082
us-gaap:SellingGeneralAndAdministrativeExpense ▇▆▅▅▄▂▃▆██▇▇▇▇▇▆▇▄▄▄▃▂▁▂▅▆▆▅▅▃▅▃▄▄▅▄▄▄▄▃▄▃▄▃▂38.0636.77634.67135.69632.85230.74430.89836.31139.89140.06437.68238.87238.47338.46238.05236.41538.07533.62832.58234.17732.43730.48728.36329.75334.88436.94136.3534.82334.68531.25935.34331.80433.32732.7834.95532.83233.45332.65433.37632.32234.04831.64233.90631.62130.611NA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:Assets █▇▇▇▆▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▁▁▂▂▂▂▂▂▂▂▂▂▂▂▁1141.4971098.2721057.861084.8141041.222846.076852.67839.839836.846824.762800.341788.351786.166777.878791.084778.943789.422771.32741.298748.117753.907757.016742.64774.137779.262781.146762.069766.808790.854791.341777.945805.998803.497812.4814.917818.359800.114796.31772.103788.332766.714NA735.41NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▆▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▁▁▂▂▂▂▂▂▂▂▂▂▂▂▁1141.4971098.2721057.861084.8141041.222846.076852.67839.839836.846824.762800.341788.351786.166777.878791.084778.943789.422771.32741.298748.117753.907757.016742.64774.137779.262781.146762.069766.808790.854791.341777.945805.998803.497812.4814.917818.359800.114796.31772.103788.332766.714NA735.41NANANA
us-gaap:StockholdersEquity █▇▇▆▆▆▆▆▆▅▅▄▄▃▃▄▃▃▃▃▃▃▃▃▃▂▂▃▃▃▂▂▂▁▁▂▁▁▁▂▁681.701661.336655.63611.781604.94596.478610.677597.796594.785566.877553.906536.743515.741504.329494.981511.992502.957497.099494.089499.95492.726488.147482.957475.136471.463464.917458.133486.38487.857478.874463.321437.278430.776421.108414.995430.127420.534412.103405.982428.337415.482NA384.356NANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:AssetsCurrent ▅▄▄▅█▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▂▂▂▂▂▃▃▂▂▂▂▂▃▂▂▂▃▂516.565494.755463.999504.423656.444478.784491.987475.617454.416434.846439.353407.313407.415396.407410.943387.241390.32364.543345.284358.716358.365357.862346.091389.155399.837406.6386.694401.042421.608415.786394.505401.502392.686398.993400.989416.132398.566395.625370.901414.16391.624NA355.725NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▁▄█▄▄▃▃▂▃▂▂▁▂▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁24.34518.93425.878117.754265.068107.576125.00794.52674.85641.86470.64553.61242.89520.20641.84422.48618.49716.34131.46415.80620.98518.86824.23624.82620.62921.93813.1519.6118.06219.31322.77420.15715.72620.24216.05610.89415.4315.14612.2558.9659.46112.00716.10415.42416.081NA
us-gaap:AccountsReceivableNetCurrent ██▇▅▅▄▆▇▅▅▄▄▄▄▃▃▄▃▁▃▂▂▁▂▃▃▂▃▃▃▂▃▄▄▃▄▃▅▃▆▅179.326180.544166.447150.454146.527138.803154.751165.477142.327144.952130.538133.894135.699134.174124.014125.417133.674115.497100.817118.826111.752112.92197.236113.961117.178117.126112.78126.95121.766121.527112.767121.987129.831129.812126.482138.877123.042139.372117.761156.557149.386NA139.374NANANA
us-gaap:InventoryNet █▇▅▃▃▂▂▂▃▄▃▂▃▃▃▃▃▃▂▃▃▃▃▄▄▅▄▄▆▄▃▃▃▂▃▃▃▁▁▂▁290.739272.828250.778211.7209.847204.702190.39191.956213.329224.198214.871199.913209.204216.443220.352220.223215.987218.548200.865210.213211.965213.218211.82221.547229.232237.028232.409227.286254.79226.961213.392212.784207.633201.328206.125211.443209.092188.972187.176193.605182.389NA154.467NANANA
us-gaap:InventoryFinishedGoods ▇▇▁▄▄▄▄▃▄▅▄▅▆▅▅▅▆▆▅▆▆▆▅▅▆▅▅▅▆▇▆▇▇▇▇████51.03348.9477.13227.83930.30426.14425.50622.51632.06236.83830.64335.6641.01734.54334.41837.67139.85841.88638.14741.89641.21140.79138.13536.28640.49639.2737.47336.30145.3252.02245.50353.38649.82751.11351.09457.13154.95954.12557.645NANANA32.991NANANA
us-gaap:InventoryLIFOReserve NANANA47.26347.85548.40848.50848.97447.58645.1944.83349.97748.57946.26544.74343.92543.15642.65342.84244.23842.70142.86744.236NANANA53.7NANA78.81677.5783.50184.28489.45390.89994.96790.22492.02992.883NANANA80.9NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▃▃▃▄▅▃▃▃▄▄▃▃▃▄▄▃▃▁▁▁▁▁▁▂▂▂▂▂▂▇▆▆▅▇▇█▇▇▇█▆22.15522.44920.89624.51529.19120.51521.83923.65823.90423.83223.29919.89419.61725.58424.73319.11522.16214.15712.13813.87113.66312.85512.79916.90218.99217.16114.95317.23116.64538.03735.76136.99530.59139.2441.68544.6141.04240.64439.73942.58837.468NA31.743NANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:PropertyPlantAndEquipmentGross █▇▇▇▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁1052.4641021.174998.312987.902924.62910.05916.965909.254913.325908.481898.251896.626894.306886.653891.789877.002872.618868.037861.267862.474856.795848.495833.834826.286811.645813.806800.671793.983790.154784.513782.879779.87794.389787.354779.785769.985770.766761.471753.326738.066731.727NA719.953NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ████▇▇▇▇▇▇▆▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▃▂▂▂▂▂▁▁▁702.903692.101688.626693.223685.355675.074684.689675.039669.861656.326647.233642.931637.73629.953636.211632.435622.351612.286608.636602.084592.117581.2570.205565.086557.369565.456553.083545.183538.095529.546520.986514.562523.659514.321507.243501.382505.795499.206489.513481.4473.743NA454.085NANANA
us-gaap:AmortizationOfIntangibleAssets ▆▇▇▆▄▅▅▅▅▅▅▅▅▆▇▇▇▆▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇█▇▇▁1.0051.1731.1760.9070.1060.1880.2670.3750.3680.390.4070.5240.5610.7731.1731.1791.2321.0451.0541.1481.1481.1481.3431.2561.2571.2561.3281.2081.311.3221.5281.3591.3241.2921.731.4081.435-1.435NA1.511.509-1.509NANANANA
us-gaap:PropertyPlantAndEquipmentNet █▇▆▅▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▂▂▂▂▂▂▃▃▃▃▃▃▃▃▃▂▃349.561329.073309.686294.679239.265234.976232.276234.215243.464252.155251.018253.695256.576256.7255.578244.567250.267255.751252.631260.39264.678267.295263.629261.2254.276248.35247.588248.8252.059254.967261.893265.308270.73273.033272.542268.603264.971262.265263.813256.666257.984NA265.868NANANA
us-gaap:Goodwill ████▁▁▂▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▁▁142.054140.392144.916143.11870.00169.83279.01178.96190.63390.690.790.76290.69790.92290.67789.7290.03589.73287.086.72586.72586.72586.786.72586.72586.72586.72586.72588.75388.75388.75388.75388.75388.75388.75386.46786.52784.64184.03672.93672.936NA72.936NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇███▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▅▅▅▅50.85151.50354.67254.4495.7325.9726.386.6925.2135.8086.4617.1567.8998.8579.84710.77112.07413.35311.07410.70610.93612.16713.73614.31215.71717.10918.55920.04621.53422.75124.24825.90826.59427.40628.86930.13131.78332.92334.5834.46534.207NA36.849NANANA
us-gaap:OperatingLeaseRightOfUseAsset ████▇▅▄▄▄▄▁58.83359.82662.08962.23548.94236.46523.41325.05426.78828.3270.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▇█▇▇▇▆▅▃▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▂▂▃▂▃▃21.72420.79119.36420.75419.16918.39917.93717.45215.287.7257.2367.1146.9917.3766.9926.3126.1836.2145.954.9255.765.9966.7165.0234.9854.8684.7814.6934.8514.7993.8743.7674.243.6823.7675.3485.2867.9487.0737.9737.831NA1.9NANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:AccountsPayableCurrent █▇▅▅▄▅▃▃▃▅▄▃▄▅▄▃▄▃▂▂▂▂▂▁▂▃▂▂▂▁▂▂▁▁▃▂▂▂▃▂▃80.672.48955.6456.52452.09354.14543.20643.67541.65856.58649.62242.71246.2453.49649.05944.67846.06440.65432.53332.94130.21332.61931.88829.01731.50838.05436.23932.15832.95927.40436.55630.97228.82825.98542.28131.83131.12130.3839.38535.41137.912NA33.375NANANA
us-gaap:AccruedIncomeTaxesCurrent ▅▅▂▁▂▁▁▂▂▆▃█▃▃▁▃▃▄▅▄▄▄▂▄▆▄▃█▇▅▁4.8375.1021.8981.4351.7791.3871.3421.6371.9715.8772.6158.1762.9942.681.0842.9533.1953.6474.7813.8514.2544.0072.3733.7645.8754.2223.1447.9557.0154.7551.564NANA0.1940.0NANANA0.00.00.0NA3.921NANANA
us-gaap:AccruedLiabilitiesCurrent ▄▄▅▅▃▃▃▄▄▄▃▃▂▂▂▂▂▂▁▂▂▁▁▆▆▅▁█▆▆▂▆▆▆▂▇▇▆▂▇▂36.9336.92740.88742.23833.42932.9232.47735.54938.48238.22833.30128.93427.18227.42325.55227.9525.87823.65519.94524.27523.35521.08720.7349.32548.68741.17122.39759.56247.83246.45625.12250.77846.57945.87626.98855.58151.62445.82725.89353.15426.705NA24.911NANANA
us-gaap:LiabilitiesCurrent ▄▃▂▇█▂▂▂▂▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▃▂▂▂▃▃▃▃▃▃▃161.227147.435126.884251.626268.528113.67122.44126.975125.037131.156139.78126.594117.089113.762127.109113.096109.61596.35590.37798.65997.263100.06796.483101.44594.09494.503104.066107.527123.29122.388129.016118.224112.435122.295149.067146.584141.553138.631139.671137.227129.22NA147.36NANANA
us-gaap:LongTermDebtCurrent ▁▅▇█0.4351.5411.9372.216NANA0.868NANANA0.823NANANA0.777NANANA0.733NANANA8.998NANANA0.653NANANA0.613NANANA0.583NANANA-0.547NANANA0.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANANA6.7815.298NA6.542NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation us-gaap:AccruedLiabilitiesNANA6.908NANANA6.542NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:LongTermDebt NANA38.479NANANA2.218NANANA3.041NANANA3.818NANANA4.615NANANA13.613NANANA24.266NANANA29.88NANANA45.463NANANA41.01NANANA38.305NANANA
us-gaap:LongTermDebtNoncurrent ▇▆▅▂▁▁▁▁▁▁▁▁▁▁▁▁▃▄▁▁▂▂▁▄▅▆▄▆▆▆▄▇▇█▆█▇▇▅█▇58.83851.40736.5426.3740.01.1261.261.4671.6691.8692.0662.3312.4532.6432.8273.0123.25425.433.6053.77613.88414.0524.61531.03841.21350.78723.61343.7846.94551.10729.26752.42359.57864.7344.8865.02858.17660.3240.46365.6455.693NA38.305NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ███▆▁▁▂14.81714.82415.86411.342.1721.1862.41NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▂▂▂▂▁▁▁▁▁▂▂▃▅▅▆▆▆▆▅▅▅▅▆▆▆▆▆▃▃▃▅████▆▆▆▆▄▅40.00139.66241.87740.20832.38931.44432.46631.02630.66337.81338.85356.06880.94485.6693.22592.01494.54992.62391.50584.00386.86490.29892.79498.093100.78299.701103.89153.49356.94959.9780.275122.0123.448125.514125.97898.421102.207103.505105.11568.04981.588NA82.502NANANA
us-gaap:OtherLiabilitiesNoncurrent ▃▄▂▁▁▁▂▁▁▁▃▂▂██▄▄▃▄▄▄▄▄▃▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▄▄17.47717.77714.31310.05710.11710.57511.5611.02111.41911.23114.76413.82814.20330.57930.96718.96817.717.32117.97917.89318.04918.24118.43517.34418.0617.85318.20316.18716.25216.04616.53116.51516.29916.42816.17316.76216.55515.99916.48817.7118.092NA17.915NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ████▇▅▃▃▄▄▁53.73654.59356.76156.89144.8332.37418.09119.45321.11822.5750.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA9.4158.813NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA8.758.371NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA6.6086.494NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA6.278NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA53.041NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:StockholdersEquity █▇▇▆▆▆▆▆▆▅▅▄▄▃▃▄▃▃▃▃▃▃▃▃▃▂▂▃▃▃▂▂▂▁▁▂▁▁▁▂▁681.701661.336655.63611.781604.94596.478610.677597.796594.785566.877553.906536.743515.741504.329494.981511.992502.957497.099494.089499.95492.726488.147482.957475.136471.463464.917458.133486.38487.857478.874463.321437.278430.776421.108414.995430.127420.534412.103405.982428.337415.482NA384.356NANANA
us-gaap:CommonStockValue ██▇▇▇▇▆▆▆▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁268.205264.94258.642257.019256.756253.967249.674247.651245.785241.48234.704232.846230.763227.694223.484219.817218.902216.527212.702212.168211.275210.175208.967207.432203.125201.838202.104201.03200.078NA197.576NANANA191.169NANANA185.913NANANA180.161NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▆▅▆▅▅▅▄▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▁▁660.851645.468631.058592.98588.803584.505589.888577.409576.211562.941548.374571.35553.523545.093536.116531.683524.367519.058517.903513.02506.872503.226499.659494.745491.262484.198476.277466.047455.379NA441.518432.393426.022NA428.394NANANA408.38NANANA368.401NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▇██▇▇▇▇▇▆▆▂▁▁▁▃▃▃▃▄▄▄▃▃▃▃▃▇▇▇▆▃▂▂▃-43.084-46.087-38.639-42.781-45.571-47.173-45.462-43.858-43.978-57.27-58.234-97.358-99.106-101.221-102.937-82.89-83.922-84.782-86.181-75.353-76.625-78.769-80.705-82.205-82.288-82.402-82.237-49.311-49.161-49.909-59.888-87.934-89.215-89.561-88.429NANANA-72.215NANANA-51.616NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents mtrn:CopperSwap,us-gaap:AccumulatedGainLossNetCashFlowHedgeParentNA0.280.468-0.0290.104-0.330.025-0.002-0.1340.189-0.4410.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents mtrn:CopperSwap,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA0.468NANANA0.025NANANA-0.441NANANA0.0NANANA0.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents mtrn:PreciousMetalContracts,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▇▇▅▂▁▁▃▁▃▅▆█▇▄▅▅▆▅▆0.1860.32-0.17-0.708-0.779-0.841-0.452-0.779-0.458-0.0240.0790.4310.269-0.238-0.196-0.0950.093-0.10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents mtrn:PreciousMetalContracts,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA-0.17NANANA-0.452NANANA0.079NANA-0.238-0.196-0.0950.093-0.10.00.00.00.00.00.00.00.00.00.00.00.0-0.0120.00.0220.00.063NANANA0.033NANANA0.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents us-gaap:ForeignExchangeForward,us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▇▆▂▃▄▅▆▇▆▇▅▇▇▁▄▅▅▆█1.6031.4620.5190.8121.0651.2141.3241.6911.421.6631.2631.5451.5820.3260.9591.1771.1091.4761.837NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk,us-gaap:StatementEquityComponents us-gaap:ForeignExchangeForward,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA0.519NANANA1.324NANANA1.263NANA0.3260.9591.1771.1091.4761.8371.090.9580.6561.5791.82.9774.0813.5782.9011.4211.3411.3461.3571.7632.0331.567NANANA2.312NANANA0.399NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment█████████▆▆▁▁▁▁▃▃▃▃▄▄▄▄▃▃▃▃▇▇▇▅▂▂▂▂-43.226-43.309-43.473-41.212-41.241-41.33-41.346-39.549-40.05-54.003-54.543-95.511-97.018-98.314-99.592-79.961-80.842-81.601-82.358-73.873-74.546-75.221-76.796-78.957-79.858-80.76-81.662-51.044-51.584-52.126-61.509-90.466-91.697-92.917-94.136NANANA-79.507NANANA-56.004NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▇█▄▁▂▁▄▄▄▇▄█▇▁▃▅▅▆▇1.7892.0620.8170.0750.390.0430.8970.910.8281.8280.9011.9761.8510.0880.7631.0821.2021.3761.837NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA0.817NANANA0.897NANANA0.901NANA0.0880.7631.0821.2021.3761.8371.090.9580.6561.5791.82.9774.0813.5782.9011.4211.3411.3341.3571.7852.0331.63NANANA2.345NANANA0.399NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▄▂█▄▂▁▂▁▂▂▂▂▂▃▂▂▂▂▁▃▃▂▁▂▁▁▂▄▆▆▅▆▆▆▂-1.647-4.844.017-1.644-4.72-5.886-5.013-5.219-4.756-5.095-4.592-3.823-3.939-2.995-4.108-4.011-4.282-4.557-5.66-2.57-3.037-4.204-5.488-5.048-5.407-5.723-4.153-1.1681.0020.8760.2871.1750.6971.323-4.077NANANA4.947NANANA3.989NANANA
us-gaap:TreasuryStockValue ██▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▁208.854206.845199.187199.185198.726198.311186.845187.464187.224184.812175.426174.532173.825171.574166.128161.03160.785157.642154.399153.899152.755150.137148.559148.461144.185141.717140.938134.281121.306NA118.151NANANA118.298NANANA118.279NANANA115.09NANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▄▄▆▅▃▆▅▆▂▅▄▆▂▅▅▄▁▆▄▅▁▆▅▅▂▆▄▄▁▆▄▅▂▆▃▄▁█▂▄▁▄▅28.61515.4521.61343.01127.3039.1339.68629.4942.663-12.61727.13119.93937.479-8.17532.29835.19417.132-16.82940.8217.3226.478-17.44445.38423.80125.11-4.06739.25422.51121.727-23.21137.40720.39522.886-4.76645.9941.67313.925-22.97268.524-4.58113.617-20.75416.21935.476NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▁▇▇███████████▇█████▇▇█████████████▆█████-26.434-30.675-20.991-141.715-17.222-14.779-6.405-4.67-6.088-9.321-6.853-6.424-11.026-9.525-8.528-6.592-5.52-22.718-9.735-6.315-11.561-9.744-11.018-14.368-15.702-10.944-10.04-7.242-6.998-3.191-8.393-6.876-7.671-9.647-11.875-11.489-8.908-11.091-33.968-7.391-5.817-2.853-4.639-9.754NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▁▂█▃▄▄▄▄▄▄▄▄▄▃▃▄▃▃▃▄▃▄▃▄▃▃▃▄▃▃▃▄▃▄▄▅▃▄▃▄▃▃2.7958.727-93.396-49.268146.974-11.401-2.9-4.828-3.529-6.797-3.251-2.644-3.164-4.546-4.507-24.993-9.68123.736-14.424-16.302-12.75821.372-34.92-4.736-10.9224.481-34.304-13.433-15.90422.76-26.3-9.179-19.65318.96-29.0065.195-4.70837.022-30.95211.45-10.4419.317-10.679-26.426NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▄▂▁█▄▅▅▅▄5.411-6.944-91.876-147.314157.492-17.43130.48119.6732.992-28.781NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:AmortizationOfFinancingCosts ▄▄▆▄▄▄▆▆▆▆█▅▇▇▆▆▅▆▆▂▂▃▃▃▄▃▃▇▄▄▄▄▃▃▃▃▃▃▅▁▁▁▁▂0.1820.1820.2430.1830.1820.1820.2420.2480.2360.2360.2890.2060.2530.2610.2490.230.210.230.2490.1360.130.1510.1570.1660.1830.1480.1680.2710.1780.1780.1780.1760.1630.1620.1620.1620.1680.1570.2180.1080.1160.1170.1190.137NANA
us-gaap:DepreciationDepletionAndAmortization ▅▃▅▃▄█▄▄▇▄▄▃▄▄▄▇▅▄▅▅▆▆▆▁▃▆▇▄▄▄▇▄▄▄10.4648.59910.3428.529.24814.2749.1619.34813.549.0679.0188.1579.1429.2079.30712.71910.63510.0911.27210.88212.18911.30812.4025.9528.20811.90913.0219.810.19.812.6499.59.79.8NANA8.48911.95111.289.9310.53211.8939.6168.678NANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▅▇▇▅▆▄▄█▅▇▅▅▆▆▅▅▇▇▄▆▅▇▄▅▅▆▄▆▆▆▅▅▆▆▄▇▄█▁▆▅▇▆▄-1.75615.69714.606-8.5685.718-11.049-12.21324.368-2.9214.698-3.055-1.7863.4788.582-3.088-9.3117.23813.644-15.6856.768-1.67614.689-16.36-3.039-0.8455.467-13.1186.5040.4668.214-8.834-8.2380.5474.569-11.53814.949-16.2921.792-43.1557.71-4.46713.0945.765-13.745NANA
us-gaap:IncreaseDecreaseInInventories ▇█▃▃▅▇▄▁▃▆▇▃▃▃▄▅▄▆▃▄▄▄▃▃▃▅▅▆▅▆▄▅▅▄▄▅█▅▃▆▅█▅▆17.43223.219-8.595-10.7023.86216.723-1.942-20.783-10.8679.56115.52-9.326-5.331-5.097-0.4913.455-3.0959.593-7.497-2.141-1.680.527-9.444-7.778-8.0755.9256.2647.5893.19613.3630.7454.8796.387-3.77-4.9151.84220.5721.381-8.27511.4865.60721.1982.14110.695NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▄▄▆▅▃▆▅▆▂▅▄▆▂▅▅▄▁▆▄▅▁▆▅▅▂▆▄▄▁▆▄▅▂▆▃▄▁█▂▄▁▄▅28.61515.4521.61343.01127.3039.1339.68629.4942.663-12.61727.13119.93937.479-8.17532.29835.19417.132-16.82940.8217.3226.478-17.44445.38423.80125.11-4.06739.25422.51121.727-23.21137.40720.39522.886-4.76645.9941.67313.925-22.97268.524-4.58113.617-20.75416.21935.476NANA
us-gaap:NetIncomeLoss █▇▆▆▆▄▇▅▇▇▁█▆▆▃▆▆▅▆▆▆▅▆▆▆▆▇▇▆▆▅▅▆▆▅▆▆▆▅▇▇▇▇▇▇▆17.86816.7678.0666.4966.678-3.10314.7513.46315.5416.906-20.82819.96611.14410.564-8.2329.327.3133.056.7788.0455.5495.3686.7156.9368.8789.62911.97612.449.9747.3313.7755.1238.9096.7852.5038.1147.9296.1180.76213.52713.87211.81812.62913.35813.7196.721
us-gaap:ShareBasedCompensation ▇▅▅▁█▅▆▆▇▅▅▆▅▃▃▃▄█▂▄▄▃▄▆▂▇▅▄▆▅▆▅▅▄▅▅▅▅▅▅▄▄▄▄2.0391.4731.5390.0232.4741.4921.941.6891.9941.5471.5311.6181.3930.7710.6540.7961.1692.3380.2940.9611.0310.8880.9731.8630.3732.2821.3231.0961.6151.4121.6381.4271.4771.1991.5461.5151.4171.4111.4071.4021.2010.991.0661.046NANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▁▇▇███████████▇█████▇▇█████████████▆█████-26.434-30.675-20.991-141.715-17.222-14.779-6.405-4.67-6.088-9.321-6.853-6.424-11.026-9.525-8.528-6.592-5.52-22.718-9.735-6.315-11.561-9.744-11.018-14.368-15.702-10.944-10.04-7.242-6.998-3.191-8.393-6.876-7.671-9.647-11.875-11.489-8.908-11.091-33.968-7.391-5.817-2.853-4.639-9.754NANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇█▅▄▄▄▂▁▁▂▂▁▂▂▃▂▁▂▂▁▂▁▁▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▁▂▂26.46231.2520.98914.25117.24514.7896.0584.365.8068.0275.8934.6569.2867.8679.7576.5075.1246.1287.1255.7268.6125.7145.427.5219.3687.1969.4696.9846.7396.128.0186.8077.2425.7818.7537.3788.6759.2829.4657.6197.2343.8698.5019.045NANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▁▂█▃▄▄▄▄▄▄▄▄▄▃▃▄▃▃▃▄▃▄▃▄▃▃▃▄▃▃▃▄▃▄▄▅▃▄▃▄▃▃2.7958.727-93.396-49.268146.974-11.401-2.9-4.828-3.529-6.797-3.251-2.644-3.164-4.546-4.507-24.993-9.68123.736-14.424-16.302-12.75821.372-34.92-4.736-10.9224.481-34.304-13.433-15.90422.76-26.3-9.179-19.65318.96-29.0065.195-4.70837.022-30.95211.45-10.4419.317-10.679-26.426NANA
us-gaap:RepaymentsOfLongTermDebt ▁▁▂▃▁▁▁▁▁▁▁▁▁▁▁▅▄▂▁▂▁▁▆▃▃▃▄▁▂▂▄▂█▁▄▁▂▁▇▆▃▂▄1.2770.3774.27715.9290.2860.1420.2240.2020.20.1970.2640.130.1930.190.18930.24620.1825.180.17710.1180.1720.22741.72513.16519.18113.92920.2063.2477.2468.24623.2477.24855.2940.24720.2460.2467.2470.24751.2540.09215.08310.020.0NANANA
us-gaap:PaymentsOfDividendsCommonStock █████▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▁2.4532.3382.3372.3382.3372.2452.2442.2442.2432.1252.1272.1252.1252.0122.012.0042.0041.8951.8951.8971.9031.8011.8011.8081.8151.7081.7091.7511.7571.6481.651.6491.6541.5441.5321.5331.550.0NANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock NANA0.00.00.06.7660.00.00.00.1990.4220.00.00.00.00.00.6810.4050.01.1352.2010.4620.04.3811.980.7686.66712.9431.2061.4660.00.0NANA0.0NANANA0.0NANANA0.0NANANA
  2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272013-12-312012-12-312011-12-312010-12-31
Value268264258257256253249247245241234232230227223219218216212212211210208207203201202201200197191185180
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.524.124.423.724.730.029.329.529.429.329.329.529.429.328.328.227.728.128.728.428.027.828.126.826.125.826.526.225.325.423.524.124.5

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

mtrn:CommonShares


Shares
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-31
Value20202020202020202020202020202019
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2727272727272727272727272727272727272727262626
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-302011-07-012011-04-012010-10-012010-07-02
Value20202020202020202020202020202020202020202021202020202020202020202020
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-302011-07-012011-04-012010-10-012010-07-02
Value20202020202020202020202020191920202020202020202020202020202020202020
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

mtrn:OutofTheMoney


Antidilutive
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-29
Value52709.063627.0114340.0191500.0302570.070562.084509.0201390.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value0.870.820.40.320.33-0.150.720.170.760.83-1.030.990.550.52-0.410.470.370.150.340.40.280.270.340.350.440.480.590.610.480.360.180.250.430.330.120.40.390.30.040.660.680.580.620.660.680.33
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

us-gaap:EarningsPerShareBasic us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Earnings
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.06-0.05-0.04-0.04-0.020.050.090.02
Percentage of EarningsPerShareBasic15.0-15.6-12.126.7-2.829.411.82.4

srt:ScenarioPreviouslyReported


Earnings
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.340.320.33-0.150.720.170.760.83
Percentage of EarningsPerShareBasic85.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value0.870.810.390.320.32-0.150.710.170.750.82-1.030.970.540.51-0.410.460.360.150.330.40.270.270.330.340.430.470.580.60.470.350.180.240.430.330.120.390.380.30.040.650.670.570.610.650.670.33
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

us-gaap:EarningsPerShareDiluted us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Earnings
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.06-0.05-0.04-0.04-0.020.050.090.01
Percentage of EarningsPerShareDiluted15.4-15.6-12.526.7-2.829.412.01.2

srt:ScenarioPreviouslyReported


Earnings
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.330.320.32-0.150.710.170.750.82
Percentage of EarningsPerShareDiluted84.6100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value2.21.61.60000000000000050.13.11.02.42.53.52.72.04.22.72.51.51.52.42.32.32.11.11.20.31.21.63.14.91.11.61.41.41.51.21.51.41.41.41.21.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.50.50.01.10.40.90.81.20.90.71.40.90.80.50.50.81.01.09.76.37.90.17.79.717.71.742.7120.8109.1117.790.181.2101.10.40.40.40.30.3

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value209.3199.5339.2868.28-4.814133.583281718211312-28.279108.1734.449-4.059.3177.6937.3048.2157.0198.9929.464-20.95121017266.4059.2565.653-15.8069.6998.5416.017141413
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.62.62.83.23.1-1.74.71.29.75.96.17.34.34.0-9.23.52.81.8-1.743.243.847.93.845.354.553.9-7.3476.7809.81349.29.4538.7555.9382.5-5.2654.02.61.73.83.53.6

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-30
Value301287283240223232225241228232232232247245249238241
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.281.283.683.882.383.680.678.876.677.077.878.280.080.880.781.281.5

us-gaap:CostOfGoodsAndServicesSold us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Cost
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value-1.551.3291.1351.0050.525-1.374-2.403-0.294
Percentage of CostOfGoodsAndServicesSold-0.50.60.50.40.2-0.6-1.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.50.50.40.40.2-0.4-0.8-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Cost
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value285240223232225240228232
Percentage of CostOfGoodsAndServicesSold100.5100.0100.0100.099.899.9100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.083.882.383.680.478.776.677.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value69665546484555646969666461585855544244504543434451525554494549455248435253493957625559585549
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 RevenueFromContractWithCustomerExcludingAssessedTax18.818.816.416.217.716.419.621.223.423.022.221.820.019.219.018.818.417.918.8235.5258.2284.520.1283.8311.2298.119.32127.33761.43543.417.23796.23172.43270.614.53531.316.314.011.814.614.814.916.617.917.116.7

us-gaap:GrossProfit us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Gross
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value1.55-1.329-1.135-1.005-0.5251.3742.4030.294
Percentage of GrossProfit2.8-2.8-2.4-2.2-1.02.13.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-0.5-0.4-0.4-0.20.40.80.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Gross
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value5446484555656969
Percentage of GrossProfit97.2100.0100.0100.0100.0100.4100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.016.217.716.419.621.323.423.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value21206.8560.4558.298-3.865155.7261920-27.07817141213119.0392.9273.2729.6615.2657.1177.5079.573121313161310-2.7435.267128.6940.22112119.1860.159162017182019
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.75.72.00.23.1-1.45.71.96.46.9-9.15.84.64.04.33.73.11.21.444.830.046.73.561.773.877.34.6646.11049.5807.3-1.0443.0755.4588.20.1850.33.62.60.04.24.84.75.26.26.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Income
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value1.55-1.329-1.135-1.005-0.5251.3742.4030.294
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest22.6-292.1-13.726.0-3.324.012.61.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-0.5-0.4-0.4-0.20.40.80.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value5.3060.4558.298-3.865165.7261920
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest77.4100.0100.0100.0103.3100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.23.1-1.45.91.96.46.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value3.2743.466-1.21-6.0411.62-0.7621.5792.2633.5983.77-6.25-2.7132.9441.515211.7051.726-0.123-3.5061.616-0.2841.7490.7922.6373.2933.9381.2844.2173.9223.027-1.6330.1443.6681.909-2.2824.4963.6963.068-0.6032.8576.365.6745.8586.736.088
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.0-0.4-2.10.6-0.30.60.71.21.3-2.1-0.91.00.57.00.60.6-0.1-1.57.5-1.611.50.417.020.022.40.4163.6296.2235.9-0.612.1220.3129.2-0.8303.21.10.9-0.20.71.51.51.62.11.9

us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Income
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.355-0.304-0.26-0.23-0.120.3150.550.067
Percentage of IncomeTaxExpenseBenefit-29.35.0-16.030.2-7.613.915.31.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.1-0.1-0.1-0.00.10.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Income
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value-1.565-6.0411.62-0.7621.6992.2633.5983.77
Percentage of IncomeTaxExpenseBenefit129.3100.0100.0100.0107.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-2.10.6-0.30.60.71.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-30
Value858000.0761000.01334000.01259000.0246000.0436000.0500000.0466000.0613000.0667000.0730000.0533000.0695000.0493000.0490000.0512000.0415000.0586000.0650000.0657000.0764000.0672000.0695000.0715000.0813000.0828000.0779000.0820000.0698000.0807000.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.50.50.10.10.20.20.20.20.20.20.20.22.32.92.73.83.93.729.650.854.260.148.856.052.50.30.20.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value17168.0666.4966.678-3.103143.4631516-20.828191110-8.2329.327.3133.056.7788.0455.5495.3686.7156.9368.8789.62911129.9747.3313.7755.1238.9096.7852.5038.1147.9296.1180.7621313111213136.721
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 RevenueFromContractWithCustomerExcludingAssessedTax4.84.72.42.32.5-1.15.31.15.25.6-7.06.73.63.5-2.73.22.51.32.937.331.635.23.144.753.854.84.2482.5753.3571.41.3430.9535.1459.10.8547.12.41.70.23.43.33.23.54.14.22.3

us-gaap:NetIncomeLoss us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Net
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value1.195-1.025-0.875-0.775-0.4051.0591.8530.227
Percentage of NetIncomeLoss14.8-15.8-13.125.0-2.730.611.91.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.4-0.3-0.3-0.10.30.60.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value6.8716.4966.678-3.103143.4631516
Percentage of NetIncomeLoss85.2100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.32.5-1.15.31.15.25.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value17165.3916.4966.678-3.103143.4631516-20.828191110
Percentage of NetIncomeLoss100.0100.066.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.71.62.32.5-1.15.31.15.25.6-7.06.73.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value20196.8280.7138.706-4.563166.28922211418151313119.7343.423.644105.7777.5328.06410121413171411-2.0635.982139.5221.05813129.8840.966172018192020
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.62.00.23.2-1.65.72.17.67.14.86.34.94.44.53.93.31.41.647.132.949.43.865.577.781.04.8675.81100.3861.5-0.7503.1804.2644.20.3902.83.82.80.34.44.94.85.36.46.3

us-gaap:OperatingIncomeLoss us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Operating
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value1.55-1.329-1.135-1.005-0.5251.3742.4030.294
Percentage of OperatingIncomeLoss22.7-186.4-13.022.0-3.321.810.61.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-0.5-0.4-0.4-0.20.40.80.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Operating
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value5.2780.7138.706-4.563166.2892221
Percentage of OperatingIncomeLoss77.3100.0100.0100.0103.3100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.23.2-1.65.92.17.67.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value8.3338.9337.0455.924.374.7855.3196.2026.1397.08-0.7016.8825.5725.8987.899.7568.676.4475.5348.2457.325.1834.5166.957.4368.9035.9027.691117.604-8.0334.84.5433.351-5.2629.2127.5145.285111010
Percentage of OperatingIncomeLoss40.245.3103.2830.350.2-104.933.198.627.033.1-4.936.936.744.556.984.489.1188.5151.981.2126.768.856.068.458.062.642.444.178.968.8389.480.233.935.2-497.468.860.453.565.051.259.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.52.12.11.61.71.92.02.12.3-0.22.31.81.92.63.32.92.72.438.341.734.02.144.845.150.72.0298.3868.2592.7-2.8403.7272.9226.7-1.7621.22.31.52.82.52.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AdvancedMaterialTechnologies3.94.40.03.62.93.00.04.24.64.90.04.83.73.80.06.25.55.60.07.76.44.80.06.15.75.90.04.36.44.70.02.72.31.70.04.83.42.24.13.74.2

mtrn:PerformanceAlloysandComposites


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-28
Value1713-0.1590.7218.2444.791131819181916129.8619.4556.7865.5480.1890.4984.3570.2341.5124.5479.3276.803106.2936.209
Percentage of OperatingIncomeLoss83.568.4-2.3101.194.7-105.084.7298.685.088.6138.689.681.074.468.258.757.05.513.742.94.120.144.872.747.862.243.256.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.73.8-0.00.33.01.74.86.16.56.36.75.64.03.23.12.31.90.10.220.21.39.929.356.538.7420.6475.3483.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PerformanceAlloysandComposites13.811.80.00.88.14.80.014.414.314.90.013.59.58.30.06.25.10.20.04.20.21.74.98.76.69.55.76.4

mtrn:PrecisionCoatings


Operating
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-01
Value1.4212.091-9.5921.634-11.1983.9372.0772.3613.4992.2333.3752.31.6132.3142.2181.8323.4322.2724.099
Percentage of OperatingIncomeLoss199.324.0210.210.2-178.117.39.716.418.714.725.516.614.023.864.950.333.839.354.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.8-3.50.6-3.71.30.70.81.20.71.10.70.50.80.90.815.912.926.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PrecisionCoatings4.710.6-51.30.0-40.513.46.90.012.17.710.70.06.07.66.60.08.95.911.2

mtrn:PrecisionOptics


Operating
Period End2021-07-022021-04-022020-06-262020-03-27
Value2.6264.5582.091-9.592
Percentage of OperatingIncomeLoss12.723.124.0210.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.30.8-3.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PrecisionOptics8.112.810.6-51.3

us-gaap:AllOtherSegments


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value-7.55-7.264-5.225-7.349-5.999-4.547-3.965-7.495-6.654-6.728-7.207-8.443-4.922-5.883-5.778-6.597-6.798-5.434-27.2173.4322.2724.0992.9712.2730.5641.675110.764-1.303-1.383-0.665-1.453-1.262-1.205-0.827-1.847-1.704-2.263-2.65-2.744-3.64
Percentage of OperatingIncomeLoss-36.4-36.8-76.5-1030.7-68.999.6-24.7-119.2-29.2-31.5-50.1-45.2-32.4-44.4-41.7-57.1-69.8-158.9-746.933.839.354.436.822.44.411.880.54.4-8.9-12.532.2-24.3-9.4-12.7-78.2-13.8-13.7-22.9-15.4-13.2-20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.0-2.0-1.5-2.6-2.2-1.6-1.4-2.4-2.2-2.2-2.4-2.8-1.6-1.9-1.9-2.2-2.3-2.3-11.615.912.926.91.414.73.49.53.929.6-98.4-107.8-0.2-122.2-75.8-81.5-0.3-124.5-0.5-0.6-0.7-0.6-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-2864.6-2880.4-2982.6-3279.3

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-30
Value3193000.0-8857000.03076000.01166000.0-873000.0-463000.0339000.0-503000.0116000.0-944000.01113000.0271000.0275000.01103000.0467000.01167000.01284000.0359000.0316000.0-1570000.0-2170000.0126000.0589000.0478000.0-626000.0-2754000.01271000.0-68000.0-754000.0-224000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9-2.51.10.4-0.3-0.20.1-0.20.0-0.30.40.10.10.52.26.78.42.31.9-8.9-84.29.545.940.2-37.6-186.385.7-0.0-0.2-0.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-30
Value3.003-7.4484.1422.791.602-1.711-1.6040.12130.964391.7482.1151.716-20.0471.0320.861.399-10.8281.2722.1441.9361.50.0830.114-0.165-32.926-0.150.7489.979281.2820.347-1.132-18.3091.5850.612-0.1011.451
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-2.11.21.00.6-0.6-0.60.04.50.313.10.60.70.6-6.50.40.30.6-4.65.912.212.70.70.50.7-0.9-11.4-5.856.5777.89.8107.820.8-76.6-6.0106.90.2-0.00.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value-0.28-0.188-0.1330.434-0.3550.132-0.3230.630.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-9.32.5-4.827.120.7110.0-2.465.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.00.2-0.10.0-0.10.20.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:CopperSwap us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.1340.490.0710.062-0.389-0.321-0.434-0.1030.1620.507-0.042-0.1880.193
Percentage of OtherComprehensiveIncomeLossNetOfTax-4.5-6.62.53.922.7-267.5-3.3-10.79.324.0-2.4-18.222.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.10.00.0-0.1-0.1-0.1-0.00.10.2-0.0-0.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PreciousMetalContracts us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value0.1410.943-0.253-0.149-0.110.271-0.2430.4-0.0371.256-0.6330.068-0.367
Percentage of OtherComprehensiveIncomeLossNetOfTax4.7-12.7-9.1-9.36.4225.8-1.841.5-2.159.4-36.96.6-42.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.3-0.1-0.1-0.00.1-0.10.1-0.00.4-0.20.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ForeignExchangeForward us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-29
Value0.0830.164-2.2610.0290.0890.016-1.7970.501130.54401.5071.2961.278-19.6310.8810.7590.757-8.4850.6730.6751.5752.1610.9010.9020.902-30.6180.540.5429.383281.2321.221.219
Percentage of OtherComprehensiveIncomeLossNetOfTax2.8-2.2-54.61.05.6-0.9112.0417.5105.056.0104.786.261.374.597.985.488.354.178.452.931.581.4144.11085.5791.2-546.793.0-360.072.594.0103.396.1351.6-107.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.70.00.00.0-0.60.24.70.213.70.50.40.4-6.40.30.30.3-3.63.13.810.31.05.85.55.1-10.620.940.9731.310.1103.673.382.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.2731.245-0.3150.347-0.8540.082-1.00.9270.1251.763-0.675-0.12-0.174
Percentage of OtherComprehensiveIncomeLossNetOfTax-9.1-16.7-11.321.749.968.3-7.596.27.283.4-39.3-11.6-20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.4-0.10.1-0.30.0-0.30.30.00.6-0.2-0.0-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-29
Value3.193-8.8575.6613.0761.166-0.8730.206-0.4630.339-0.503-0.7690.116-0.9441.113-0.0970.2710.2751.103-3.090.4671.1671.284-0.440.3590.316-1.57-2.985-2.170.1260.589-0.8880.478-0.626-2.754
Percentage of OtherComprehensiveIncomeLossNetOfTax106.3118.9136.7110.372.851.0-12.8-385.82.6-52.2-2.06.6-44.664.90.526.332.078.828.536.754.466.3-29.3432.5277.2951.59.11446.716.85.9-3.237.3-180.4243.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9-2.51.71.10.4-0.30.1-0.20.1-0.2-0.30.0-0.30.4-0.00.10.10.5-1.32.26.78.4-0.22.31.9-8.9-1.0-84.29.545.9-0.340.2-37.6-186.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-31
Value1277000.01276000.01068000.01076000.0851000.0944000.053000.0-127000.0-3112000.0-245000.0-41004000.0-800000.0-437000.0-442000.0-500000.0-400000.0-368000.0-267000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.30.40.30.30.0-0.0-1.0-0.1-13.8-0.3-0.1-0.1-0.2-0.1-0.1-0.1

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value6.6046.2066.1795.4174.5024.1855.2075.2624.0623.743.4344.253.863.6433.8783.4293.5443.132.9423.2373.1713.4523.3612.5013.5863.3483.3773.2433.4432.7873.5313.193.1543.5573.1953.0193.1983.0923.1352.8212.7142.411.8871.7431.798
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.81.81.91.71.51.91.71.41.21.21.41.21.21.31.21.21.31.315.018.122.71.616.121.719.11.2125.8260.0217.21.2268.3189.4240.71.1203.61.00.90.90.70.60.60.50.50.6

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value3703543392872712772803052973012982973093033082942952402342117152141516172882.5781.3241.2832861.1891.6651.4783031.483325353334392424374355325325295
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:ProductOrService

mtrn:AerospaceandDefense


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value26292721232036343133302531
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.18.48.07.48.77.512.811.410.711.110.18.710.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.18.48.07.48.77.512.811.410.711.110.18.710.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AerospaceandDefense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:AutomotiveElectronics


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2927211617201719181818222019
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.07.76.45.86.57.36.46.36.26.06.37.56.66.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.07.76.45.86.57.36.46.36.26.06.37.56.66.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AutomotiveElectronics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ConsumerElectronics


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value171920171318222427100109108119111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.85.66.16.24.96.68.18.09.333.436.836.538.736.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.85.66.16.24.96.68.18.09.333.436.836.538.736.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:ConsumerElectronics100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Energy


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2931302214282331273529312631
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.88.88.87.85.510.48.410.39.211.99.910.68.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.88.88.87.85.510.48.410.39.211.99.910.68.610.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Energy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IndustrialComponents


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value4843403634343140403737393944
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.112.412.012.712.812.511.413.113.512.612.413.112.814.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.112.412.012.712.812.511.413.113.512.612.413.112.814.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:IndustrialComponents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:OtherEndMarket


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3634372827221730314442374040
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.99.710.99.810.38.06.110.110.514.814.312.513.013.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.99.710.99.810.38.06.110.110.514.814.312.513.013.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:OtherEndMarket100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Semiconductor


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value169156150133125121119109102107104106120
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.644.244.446.446.343.842.635.734.335.635.135.838.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.644.244.446.446.343.842.635.734.335.635.135.838.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Semiconductor100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:TelecommandDataCenter


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value13111110131011151817171818
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.23.33.84.93.94.25.26.45.96.06.25.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.23.33.84.93.94.25.26.45.96.06.25.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:TelecommandDataCenter100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

mtrn:AerospaceandDefense, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value1.661.3981.4771.6871.651.4261.251.7791.1251.4930.9010.911.01
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.60.60.50.40.60.40.50.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.40.60.60.50.40.60.40.50.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AerospaceandDefense mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:AerospaceandDefense, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value19212014171428272627231925
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.26.26.05.16.65.110.39.08.79.08.06.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.26.26.05.16.65.110.39.08.79.08.06.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AerospaceandDefense mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:AerospaceandDefense, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value4.8674.1195.1095.8075.3034.754.8715.1975.2034.96
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.51.82.11.71.61.61.71.81.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.51.82.11.71.61.61.71.81.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AerospaceandDefense mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:AerospaceandDefense, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value5.5976.5764.1195.109
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.91.51.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.91.51.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AerospaceandDefense mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:AutomotiveElectronics, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value1.7571.6691.5191.4771.1862.082.1443.0121.6690.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.40.50.40.70.81.00.60.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.50.40.50.40.70.81.00.60.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AutomotiveElectronics mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

mtrn:AutomotiveElectronics, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2523171416181516161818211918
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.96.65.24.96.06.55.65.35.66.06.27.36.46.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.96.65.24.96.06.55.65.35.66.06.27.36.46.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AutomotiveElectronics mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:AutomotiveElectronics, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value1.0590.0070.0170.0870.2960.3650.00.30.530.4690.222
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.00.10.10.00.10.20.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.00.00.00.10.10.00.10.20.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AutomotiveElectronics mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

mtrn:AutomotiveElectronics, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value2.1072.1930.0070.017
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AutomotiveElectronics mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:ConsumerElectronics, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value0.2660.1650.2630.0780.0210.1180.1540.3950.57378788882
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.10.00.00.00.10.10.224.426.226.528.527.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.10.00.00.00.10.10.224.426.226.528.527.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:ConsumerElectronics mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ConsumerElectronics, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value101012119.956141718222326242625
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.83.63.93.75.36.36.07.67.78.98.48.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.83.63.93.75.36.36.07.67.78.98.48.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:ConsumerElectronics mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ConsumerElectronics, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value6.553.4043.5414.6715.6134.433.7344.8394.7335.0354.279
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.31.31.71.81.51.21.61.61.61.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.31.31.71.81.51.21.61.61.61.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:ConsumerElectronics mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ConsumerElectronics, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value6.9649.463.4043.541
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.71.31.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.71.31.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:ConsumerElectronics mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:Energy, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value242726169.327231520162317201623
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.77.75.83.48.45.56.85.47.85.86.85.37.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.77.75.83.48.45.56.85.47.85.86.85.37.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Energy mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Energy, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value4.884.1373.7435.8255.595.4298.0751011121211107.804
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.21.12.02.12.02.93.53.84.14.13.83.32.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.21.12.02.12.02.93.53.84.14.13.83.32.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Energy mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IndustrialComponents, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value1012119.9678.4198.3625.9838.3027.7041110111113
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.93.63.33.53.13.02.12.72.63.73.63.83.74.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.93.63.33.53.13.02.12.72.63.73.63.83.74.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:IndustrialComponents mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IndustrialComponents, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3024222123232228282323242528
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.26.86.57.58.88.48.29.39.67.97.88.38.19.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.26.86.57.58.88.48.29.39.67.97.88.38.19.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:IndustrialComponents mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IndustrialComponents, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value4.9762.5743.0972.8953.3653.8422.9952.8922.8552.92.492
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.91.11.01.11.31.01.01.00.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.70.91.11.01.11.31.01.01.00.90.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:IndustrialComponents mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IndustrialComponents, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value7.6347.3752.5743.097
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.10.91.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.10.91.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:IndustrialComponents mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:OtherEndMarket, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value7.5216.5013.6983.84.8093.0214.5594.5334.7421918181818
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.81.11.31.81.11.61.51.66.56.26.35.96.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.81.11.31.81.11.61.51.66.56.26.35.96.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:OtherEndMarket mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:OtherEndMarket, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value1918131213122.30913102323182021
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.14.04.35.14.40.84.43.57.97.76.26.67.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.35.14.04.35.14.40.84.43.57.97.76.26.67.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:OtherEndMarket mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:OtherEndMarket, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value119.416.9391013151.2951.140.1321.2421.249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.52.53.64.35.30.40.40.00.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.23.52.53.64.35.30.40.40.00.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:OtherEndMarket mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:OtherEndMarket, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value9.7269.5249.416.939
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.73.52.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.73.52.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:OtherEndMarket mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:Semiconductor, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value166155150131123120118107100105103104118
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.043.844.345.745.643.542.135.333.834.934.635.338.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.043.844.345.745.643.542.135.333.834.934.635.338.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Semiconductor mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Semiconductor, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value1.8060.9971.20.9831.5370.9060.8641.221.3031.9651.2521.3811.299
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.30.40.30.60.30.30.40.40.70.40.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.30.40.30.60.30.30.40.40.70.40.50.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Semiconductor mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Semiconductor, mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value1.0080.2320.0110.5060.00.0930.1120.220.2690.428
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.10.00.20.00.00.00.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.10.00.20.00.00.00.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Semiconductor mtrn:PrecisionCoatings100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

mtrn:Semiconductor, mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value0.5630.4710.2320.011
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:Semiconductor mtrn:PrecisionOptics100.0100.0100.0100.0

mtrn:TelecommandDataCenter, mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value0.0390.070.0250.50.7880.8711.2320.8350.7130.2020.810.9510.566
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.20.30.30.40.30.20.10.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.20.30.30.40.30.20.10.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:TelecommandDataCenter mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:TelecommandDataCenter, mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-29
Value13111110129.98910141817161717
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.23.33.64.63.63.84.96.15.85.75.95.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.23.33.64.63.63.84.96.15.85.75.95.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:TelecommandDataCenter mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value213204195165150160148147133144138144150153157157114107113108113131149177179163178176196193193190221241274287256
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.457.757.457.755.357.653.148.344.747.846.548.548.650.653.653.147.7497.6647.2709.5732.8796.5853.66884.513528.112720.062.214827.111772.413115.963.712846.168.368.469.967.668.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax57.457.757.457.755.357.653.148.344.747.846.548.548.650.653.653.147.7497.6647.2709.5732.8796.5853.66884.513528.112720.062.214827.111772.413115.963.712846.168.368.469.967.668.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PerformanceAlloysandComposites


Revenue
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-28
Value12511410291101991071301351271281241291181091089210397909310710311410997
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.832.230.131.837.435.638.242.745.442.243.141.842.039.037.236.738.5481.2556.8594.8603.4652.9588.04430.18281.57572.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.832.230.131.837.435.638.242.745.442.243.141.842.039.037.236.738.5481.2556.8594.8603.4652.9588.04430.18281.57572.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PrecisionCoatings


Revenue
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-01
Value3019182427293030292831273033383836
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.67.36.78.69.09.910.110.49.89.410.49.210.213.9179.4219.6241.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.67.36.78.69.09.910.110.49.89.410.49.210.213.9179.4219.6241.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PrecisionCoatings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PrecisionOptics


Revenue
Period End2021-07-022021-04-022020-06-262020-03-27
Value32351918
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.810.07.36.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.810.07.36.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PrecisionOptics100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value3.1952.6923396.6028.7849.4062801719172981311113081213162342117152141516172882.5781.3241.2832861.1891.6651.4783031.483325353334392424374355325325295
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.8100.02.33.23.4100.05.66.55.7100.04.53.73.8100.04.44.56.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Revenuesus-gaap:
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-28
Value3.1852.6876.6028.9979.1911719171311111213162117151516171.8950.5790.4970.4150.5230.7770.7480.8650.52
Percentage of Revenues99.799.8100.0102.497.7100.0100.099.9100.0100.099.899.6100.099.799.899.399.698.897.899.073.543.738.70.144.046.750.60.335.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.82.33.33.35.66.55.74.53.73.84.44.56.899.899.399.698.897.899.073.543.738.70.144.046.750.60.335.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:AdvancedMaterialTechnologies1.51.34.06.05.711.614.512.09.27.67.68.18.414.320.115.314.013.512.311.61.10.30.30.20.30.40.40.40.3

mtrn:PerformanceAlloysandComposites


Revenuesus-gaap:
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-28
Value0.010.0050.0-0.2130.2150.00.0060.0090.0020.0030.0280.0540.0040.0550.0470.1170.0620.1910.3650.1770.0890.1810.232
Percentage of Revenues0.30.20.0-2.42.30.00.00.10.00.00.20.40.00.30.20.70.41.22.21.03.513.718.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.10.10.00.00.00.00.00.00.00.00.00.20.70.41.22.21.03.513.718.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mtrn:PerformanceAlloysandComposites0.00.00.0-0.20.20.00.00.00.00.00.00.00.00.10.00.10.10.20.30.20.10.20.2

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value383634353230303639403738383838363833323432302829343636343431353133323432333233323431333130
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.310.410.212.412.111.111.011.913.413.312.613.112.412.712.312.412.914.013.9158.6184.9200.113.3191.9211.5210.312.61350.82619.72436.412.42674.92001.62217.911.52213.910.39.210.08.28.08.49.59.79.4

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value11411098105710841041846852839836824800788786777791778789771741748753757742774779781762766790791777805803812814818800796772788766735
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-30
Value251215207202133131147149145148280314318306319325334341366353358342344
Percentage of Assets23.825.325.925.618.017.719.019.118.619.536.539.740.339.439.740.541.241.944.744.245.144.443.7
Percentage of Assets23.825.325.925.618.017.719.019.118.619.536.539.740.339.439.740.541.241.944.744.245.144.443.7
Percentage of Assets mtrn:AdvancedMaterialTechnologies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PerformanceAlloysandComposites


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-10-022015-07-032015-04-032014-09-262014-06-272014-03-28
Value477400410418422434430438434417428
Percentage of Assets45.246.951.352.957.056.155.256.256.652.854.1
Percentage of Assets45.246.951.352.957.056.155.256.256.652.854.1
Percentage of Assets mtrn:PerformanceAlloysandComposites100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PrecisionOptics


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value2687890
Percentage of Assets25.39.311.3
Percentage of Assets25.39.311.3
Percentage of Assets mtrn:PrecisionOptics100.0100.0100.0

us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-30
Value6015892727611811912012512240363942534547453644454436
Percentage of Assets5.718.611.59.210.316.015.515.516.016.15.34.65.05.56.65.65.85.64.55.55.75.84.7
Percentage of Assets5.718.611.59.210.316.015.515.516.016.15.34.65.05.56.65.65.85.64.55.55.75.84.7
Percentage of Assets us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value11411098105710841041846852839836824800788786777791778789771741748753757742774779781762766790791777805803812814818800796772788766735
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-312009-12-312008-12-31
Value681661655611604596610597594566553536515504494511502497494499492488482475471464458486487478463437430421414430420412405428415384339347
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.760.262.056.458.170.571.671.271.168.769.268.165.664.862.665.763.764.466.766.865.464.565.061.460.559.560.163.461.760.559.654.353.651.850.952.652.651.852.654.354.252.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

mtrn:OtherEquity


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value4.5833.863.7563.7483.6783.493.4224.0583.9914.5384.4884.4374.3864.3374.4464.0643.5952.9272.2662.1592.1832.52.1630.837
Percentage of StockholdersEquity0.70.60.60.60.60.60.60.70.70.80.80.80.90.90.90.80.70.60.50.50.50.70.60.2
Percentage of Assets0.40.40.40.30.40.40.40.50.50.60.60.60.60.60.60.50.50.40.30.30.30.30.00.0
Percentage of Assets mtrn:OtherEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-43.084-46.087-38.639-42.781-45.571-47.173-45.462-43.858-43.978-57.27-58.234-97.358-99.106-101.221-102.937-86.181-80.705-82.237-59.888-88.429-72.215-51.616-46.684-47.801
Percentage of StockholdersEquity-6.3-7.0-5.9-7.0-7.5-7.9-7.4-7.3-7.4-10.1-10.5-18.1-19.2-20.1-20.8-17.4-16.7-18.0-12.9-21.3-17.8-13.4-13.7-13.8
Percentage of Assets-3.8-4.2-3.7-3.9-4.4-5.6-5.3-5.2-5.3-6.9-7.3-12.3-12.6-13.0-13.0-11.6-10.9-10.8-7.7-10.9-9.4-7.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value268264258257256253249247245241234232230227223212208202197191185180173170
Percentage of StockholdersEquity39.340.139.442.042.442.640.941.441.342.642.443.444.745.145.243.043.344.142.646.145.846.951.149.1
Percentage of Assets23.524.124.423.724.730.029.329.529.429.329.329.529.429.328.328.728.126.525.423.524.124.50.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value660645631592588584589577576562548571553545536517499476441428408368321334
Percentage of StockholdersEquity96.997.696.396.997.398.096.696.696.999.399.0106.4107.3108.1108.3104.8103.5104.095.3103.2100.695.894.796.3
Percentage of Assets57.958.859.754.756.569.169.268.868.968.368.572.570.470.167.869.967.362.556.852.652.950.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-208.854-206.845-199.187-199.185-198.726-198.311-186.845-187.464-187.224-184.812-175.426-174.532-173.825-171.574-166.128-154.399-148.559-140.938-118.151-118.298-118.279-115.09-111.37-110.865
Percentage of StockholdersEquity-30.6-31.3-30.4-32.6-32.9-33.2-30.6-31.4-31.5-32.6-31.7-32.5-33.7-34.0-33.6-31.2-30.8-30.8-25.5-28.5-29.1-29.9-32.8-31.9
Percentage of Assets-18.3-18.8-18.8-18.4-19.1-23.4-21.9-22.3-22.4-22.4-21.9-22.1-22.1-22.1-21.0-20.8-20.0-18.5-15.2-14.5-15.3-15.60.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value516494463504656478491475454434439407407396410387390364345358358357346389399406386401421415394401392398400416398395370414391355
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.345.043.946.563.056.657.756.654.352.754.951.751.851.051.949.749.447.346.647.947.547.346.650.351.352.150.752.353.352.550.749.848.949.149.250.849.849.748.052.551.148.4

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022009-12-312008-12-31
Value24182511726510712594744170534220412218163115201824242021131918192220152016101515128.9659.461121615161218
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.72.410.925.512.714.711.38.95.18.86.85.52.65.32.92.32.14.22.12.82.53.33.22.62.81.72.62.32.42.92.52.02.52.01.31.91.91.61.11.20.02.20.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value17918016615014613815416514214413013313513412412513311510011811111297113117117112126121121112121129129126138123139117156149139
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 Assets15.716.415.713.914.116.418.119.717.017.616.317.017.317.215.716.116.915.013.615.914.814.913.114.715.015.014.816.615.415.414.515.116.216.015.517.015.417.515.319.919.519.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value290272250211209204190191213224214199209216220220215218200210211213211221229237232227254226213212207201206211209188187193182154
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.524.823.719.520.224.222.322.925.527.226.825.426.627.827.928.327.428.327.128.128.128.228.528.629.430.330.529.632.228.727.426.425.824.825.325.826.123.724.224.623.821.0

us-gaap:InventoryNet us-gaap:BalanceSheetLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Inventory
Period End2020-12-312019-12-31
Value4345
Percentage of InventoryNet17.524.1
Percentage of Assets4.25.4
Percentage of Assets srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.0

srt:ScenarioPreviouslyReported


Inventory
Period End2020-12-312019-12-31
Value206190
Percentage of InventoryNet82.5100.0
Percentage of Assets19.622.3
Percentage of Assets srt:ScenarioPreviouslyReported0.00.0

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312010-12-31
Value51487.13227302625223236303541343437394138414140383640393736455245534951515754545732
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.50.72.62.93.13.02.73.84.53.84.55.24.44.44.85.05.45.15.65.55.45.14.75.25.04.94.75.76.65.86.66.26.36.37.06.96.87.54.5

Inventory L I F O Reserve

us-gaap:InventoryLIFOReserve

us-gaap:InventoryLIFOReserve


Inventory
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312014-12-312014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312010-12-31
Value4747484848474544494846444343424244424244537877838489909490929280
Percentage of InventoryLIFOReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.44.65.75.75.85.75.55.66.36.25.95.75.65.55.55.85.95.75.76.07.010.010.010.410.511.011.211.611.311.612.011.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value222220242920212323232319192524192214121313121216181714171638353630394144414039423731
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.02.02.32.82.42.62.82.92.92.92.52.53.33.12.52.81.81.61.91.81.71.72.22.42.22.02.22.14.84.64.63.84.85.15.55.15.15.15.44.94.3

us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:BalanceSheetLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Prepaid
Period End2020-12-312019-12-31
Value-2.574-0.103
Percentage of PrepaidExpenseAndOtherAssetsCurrent-12.3-0.5
Percentage of Assets-0.2-0.0
Percentage of Assets srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.0

srt:ScenarioPreviouslyReported


Prepaid
Period End2020-12-312019-12-31
Value2321
Percentage of PrepaidExpenseAndOtherAssetsCurrent112.3100.0
Percentage of Assets2.22.6
Percentage of Assets srt:ScenarioPreviouslyReported0.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value10521021998987924910916909913908898896894886891877872868861862856848833826811813800793790784782779794787779769770761753738731719
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets92.293.094.491.188.8107.6107.5108.3109.1110.2112.2113.7113.8114.0112.7112.6110.5112.5116.2115.3113.6112.1112.3106.7104.2104.2105.1103.599.999.1100.696.898.996.995.794.196.395.697.693.695.497.9

us-gaap:PropertyPlantAndEquipmentGross us-gaap:BalanceSheetLocation

us-gaap:PropertyPlantAndEquipment


Property
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-282019-03-29
Value34342626252626
Percentage of PropertyPlantAndEquipmentGross3.43.52.82.82.82.92.9
Percentage of Assets3.23.22.53.13.13.13.2
Percentage of Assets us-gaap:PropertyPlantAndEquipment0.00.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

mtrn:CapitalLease


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3426221010101010101010
Percentage of PropertyPlantAndEquipmentGross3.42.82.51.21.31.31.41.41.41.41.5
Percentage of Assets3.23.12.81.41.51.51.41.41.31.41.5
Percentage of Assets mtrn:CapitalLease0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value165150149137135133129128127114110
Percentage of PropertyPlantAndEquipmentGross16.516.416.715.415.816.016.216.416.415.115.3
Percentage of Assets15.617.618.717.318.318.017.016.515.714.815.0
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value434442403938343131
Percentage of PropertyPlantAndEquipmentGross4.44.94.84.54.64.64.34.04.1
Percentage of Assets4.15.25.35.15.35.24.54.13.9
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6916142919151614158675
Percentage of PropertyPlantAndEquipmentGross6.91.81.63.42.21.92.11.82.011.410.5
Percentage of Assets6.62.01.83.82.62.12.21.81.911.210.2
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.6864.8744.8744.8745.5487.4577.4588.0978.7979.1238.991
Percentage of PropertyPlantAndEquipmentGross0.60.50.50.50.60.90.91.01.11.21.2
Percentage of Assets0.50.60.60.60.71.01.01.01.11.21.2
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value645639631626609597579569570486469
Percentage of PropertyPlantAndEquipmentGross64.669.770.370.270.871.672.472.873.164.565.2
Percentage of Assets61.075.078.979.282.380.476.173.269.963.063.8
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MineDevelopment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3030273735251615101212
Percentage of PropertyPlantAndEquipmentGross3.03.33.14.24.13.12.01.91.31.71.7
Percentage of Assets2.83.53.54.74.83.52.21.91.31.61.6
Percentage of Assets us-gaap:MineDevelopment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MiningPropertiesAndMineralRights


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.9794.984.984.9794.9794.9794.984.9794.9795.0295.029
Percentage of PropertyPlantAndEquipmentGross0.50.50.60.60.60.60.60.60.60.70.7
Percentage of Assets0.50.60.60.60.70.70.70.60.60.70.7
Percentage of Assets us-gaap:MiningPropertiesAndMineralRights0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value702692688693685675684675669656647642637629636632622612608602592581570565557565553545538529520514523514507501505499489481473454
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.663.065.163.965.879.880.380.480.079.680.981.681.181.080.481.278.879.482.180.578.576.876.873.071.572.472.671.168.066.967.063.865.263.362.261.363.262.763.461.161.861.7

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:BalanceSheetLocation

us-gaap:PropertyPlantAndEquipment


Accumulated
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-282019-03-29
Value4.9147.0454.0353.573.3313.142.906
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment0.71.00.60.50.50.50.4
Percentage of Assets0.50.60.40.40.40.40.4
Percentage of Assets us-gaap:PropertyPlantAndEquipment0.00.00.00.00.00.00.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

mtrn:CapitalLease


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.9143.5692.4122.7412.4922.2421.9881.7281.440.8370.26
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment0.70.50.40.40.40.40.40.30.30.20.1
Percentage of Assets0.50.40.30.30.30.30.30.20.20.10.0
Percentage of Assets mtrn:CapitalLease0.00.00.00.00.00.00.00.00.00.00.0

mtrn:LandBuildingMachineryAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value662669642615593565534510503476450
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment96.297.799.296.797.599.196.798.099.397.499.3
Percentage of Assets62.678.580.377.880.176.170.265.661.861.761.3
Percentage of Assets mtrn:LandBuildingMachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProductiveLand


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value20112.45618122.76168.542.243122.972
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment3.01.70.42.92.10.52.91.60.42.50.7
Percentage of Assets2.01.40.32.31.70.42.11.10.31.60.4
Percentage of Assets us-gaap:ProductiveLand0.00.00.00.00.00.00.00.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value1005000.01173000.01176000.0907000.0106000.0188000.0267000.0375000.0368000.0390000.0407000.0524000.0561000.0773000.01173000.01179000.01232000.01045000.01054000.01148000.01148000.01148000.01343000.01256000.01257000.01256000.01328000.01208000.01310000.01322000.01528000.01359000.01324000.01292000.01730000.01408000.01435000.0-1435000.01510000.01509000.0-1509000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value349329309294239234232234243252251253256256255244250255252260264267263261254248247248252254261265270273272268264262263256257265
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.630.029.327.223.027.827.227.929.130.631.432.232.633.032.331.431.733.234.134.835.135.335.533.732.631.832.532.431.932.233.732.933.733.633.432.833.132.934.232.633.636.2

us-gaap:PropertyPlantAndEquipmentNet us-gaap:BalanceSheetLocation

us-gaap:PropertyPlantAndEquipment


Property
Period End2020-09-252020-06-262019-12-312019-09-272019-06-282019-03-29
Value272222222323
Percentage of PropertyPlantAndEquipmentNet9.39.39.79.69.59.2
Percentage of Assets2.52.12.62.72.82.8
Percentage of Assets us-gaap:PropertyPlantAndEquipment0.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

mtrn:CapitalLease


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2922198.1718.4218.6718.9249.1849.4721010
Percentage of PropertyPlantAndEquipmentNet9.59.77.93.23.33.33.63.53.53.83.9
Percentage of Assets2.82.62.51.01.11.21.21.21.21.31.4
Percentage of Assets mtrn:CapitalLease0.00.00.00.00.00.00.00.00.00.00.0

mtrn:LandBuildingMachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value266186200223216227233241249248241
Percentage of PropertyPlantAndEquipmentNet86.080.380.087.585.686.194.392.191.794.190.8
Percentage of Assets25.221.925.128.329.230.630.631.030.732.132.8
Percentage of Assets mtrn:LandBuildingMachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProductiveLand


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1423302327275.19211135.54814
Percentage of PropertyPlantAndEquipmentNet4.510.012.29.311.010.62.14.44.82.15.3
Percentage of Assets1.32.73.83.03.83.80.71.51.60.71.9
Percentage of Assets us-gaap:ProductiveLand0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value223194215227240249233246
Percentage of PropertyPlantAndEquipmentNet72.183.885.889.095.194.894.494.0
Percentage of Assets21.122.826.928.732.433.730.731.6
Percentage of Assets country:US0.00.00.00.00.00.00.00.0

mtrn:AllOtherCountries


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value8637352812131315
Percentage of PropertyPlantAndEquipmentNet27.916.214.211.04.95.25.66.0
Percentage of Assets8.24.44.53.61.71.81.82.0
Percentage of Assets mtrn:AllOtherCountries0.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-312009-12-31
Value142140144143706979789090909090909089908987868686868686868686888888888888888686848472727267
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.412.813.713.26.78.39.39.410.811.011.311.511.511.711.511.511.411.611.711.611.511.511.711.211.111.111.411.311.211.211.411.011.010.910.910.610.810.610.99.39.59.90.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

mtrn:OpticsBalzers


Goodwillus-gaap:
Period End2020-07-17
Value71
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets mtrn:OpticsBalzers0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Goodwillus-gaap:
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value50505050505050504646468686
Percentage of Goodwill34.935.271.871.763.563.555.455.553.553.753.797.997.9
Percentage of Assets4.84.64.85.95.96.06.36.46.36.36.111.210.7
Percentage of Assets mtrn:AdvancedMaterialTechnologies20.10.00.00.023.30.024.324.934.835.531.428.425.4

mtrn:PrecisionCoatings


Goodwillus-gaap:
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272018-12-312017-12-312016-12-312015-12-31
Value901717262638383838
Percentage of Goodwill63.525.525.634.134.142.442.444.244.1
Percentage of Assets8.41.72.13.23.24.84.95.25.2
Percentage of Assets mtrn:PrecisionCoatings0.00.00.034.10.042.539.535.432.2

mtrn:PrecisionOptics


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312015-12-312014-12-31
Value9226381717
Percentage of Goodwill63.834.142.420.320.3
Percentage of Assets8.73.24.82.42.3
Percentage of Assets mtrn:PrecisionOptics34.534.142.50.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value505154545.7325.9726.386.6925.2135.8086.4617.1567.8998.8579.847101213111010121314151718202122242526272830313234343436
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.75.25.00.60.70.70.80.60.70.80.91.01.11.21.41.51.71.51.41.51.61.81.82.02.22.42.62.72.93.13.23.33.43.53.74.04.14.54.44.55.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:BalanceSheetLocation

us-gaap:FiniteLivedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value523.6815.195
Percentage of FiniteLivedIntangibleAssetsNet96.457.780.4
Percentage of Assets5.00.40.6
Percentage of Assets us-gaap:FiniteLivedIntangibleAssets0.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value421.9092.5247.9621115192326
Percentage of FiniteLivedIntangibleAssetsNet77.729.939.158.064.065.268.367.972.6
Percentage of Assets4.00.20.31.11.62.02.43.03.6
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.0

us-gaap:LicensingAgreements


Finite
Period End2020-12-312019-12-312018-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6.6171.2111.5320.5180.6590.6521.141.631.253
Percentage of FiniteLivedIntangibleAssetsNet12.119.023.73.83.62.73.94.73.4
Percentage of Assets0.60.10.20.10.10.10.10.20.2
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.0

us-gaap:PatentedTechnology


Finite
Period End2020-12-312019-12-312018-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.6250.5611.1392.5273.4984.4665.5546.3917.666
Percentage of FiniteLivedIntangibleAssetsNet6.68.817.618.418.818.419.218.520.8
Percentage of Assets0.30.10.10.30.50.60.70.81.0
Percentage of Assets us-gaap:PatentedTechnology0.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-31
Value585962624836232526280.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets5.25.45.95.74.74.32.73.03.23.40.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BusinessAcquisition

mtrn:OpticsBalzers


Operating
Period End2020-07-17
Value13
Percentage of OperatingLeaseRightOfUseAsset0.0
Percentage of Assets0.0
Percentage of Assets mtrn:OpticsBalzers0.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value2120192019181717157.7257.2367.1146.9917.3766.9926.3126.1836.2145.954.9255.765.9966.7165.0234.9854.8684.7814.6934.8514.7993.8743.7674.243.6823.7675.3485.2867.9487.0737.9737.8311.9
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.81.91.82.22.12.11.80.90.90.90.90.90.90.80.80.80.80.70.80.80.90.60.60.60.60.60.60.60.50.50.50.50.50.70.71.00.91.01.00.3

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value807255565254434341564942465349444640323230323129313836323227363028254231313039353733
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.16.65.35.25.06.45.15.25.06.96.25.45.96.96.25.75.85.34.44.44.04.34.33.74.04.94.84.24.23.54.73.83.63.25.23.93.93.85.14.54.94.5

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-03-292012-12-312011-12-312011-09-302011-07-012010-12-31
Value4837000.05102000.01898000.01435000.01779000.01387000.01342000.01637000.01971000.05877000.02615000.08176000.02994000.02680000.01084000.02953000.03195000.03647000.04781000.03851000.04254000.04007000.02373000.03764000.05875000.04222000.03144000.07955000.07015000.04755000.01564000.0194000.000003921000.0
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0
Percentage of Assets0.40.50.20.10.20.20.20.20.20.70.31.00.40.30.10.40.40.50.60.50.60.50.30.50.80.50.41.00.90.60.20.00.00.00.00.00.5

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value363640423332323538383328272725272523192423212049484122594746255046452655514525532624
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.43.93.93.23.93.84.24.64.64.23.73.53.53.23.63.33.12.73.23.12.82.86.46.25.32.97.86.05.93.26.35.85.63.36.86.55.83.46.73.53.4

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value16114712625126811312212612513113912611711312711310996909897100961019494104107123122129118112122149146141138139137129147
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.113.412.023.225.813.414.415.114.915.917.516.114.914.616.114.513.912.512.213.212.913.213.013.112.112.113.714.015.615.516.614.714.015.118.317.917.717.418.117.416.920.0

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-07-022021-04-022020-12-312020-09-252019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value435000.01541000.01937000.02216000.0868000.0823000.0777000.0733000.08998000.0653000.0613000.0583000.0-547000.00
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.10.20.20.10.10.10.11.20.10.10.1-0.10.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-09-252020-06-262019-12-31
Value6781000.05298000.06542000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0
Percentage of Assets0.60.50.8

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:AccruedLiabilities


Operating
Period End2020-12-312019-12-31
Value6908000.06542000.0
Percentage of OperatingLeaseLiabilityCurrent0.0100.0
Percentage of Assets0.70.8
Percentage of Assets us-gaap:AccruedLiabilities0.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value382.2183.0413.8184.615132429454138
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.60.30.40.50.61.83.23.85.65.35.2

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value5851366.3740.01.1261.261.4671.6691.8692.0662.3312.4532.6432.8273.0123253.6053.77613144.61531415023434651295259644465586040655538
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.24.73.50.60.00.10.10.20.20.20.30.30.30.30.40.42.93.30.50.51.81.90.64.05.36.53.15.75.96.53.86.57.48.05.57.97.37.65.28.37.35.2

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-31
Value141415112.1721.1862.41
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.51.00.20.10.3

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:BalanceSheetLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Deferred
Period End2020-12-312019-12-31
Value7.78310
Percentage of DeferredIncomeTaxLiabilitiesNet49.1443.7
Percentage of Assets0.71.3
Percentage of Assets srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.0

srt:ScenarioPreviouslyReported


Deferred
Period End2020-12-312019-12-31
Value8.0812.41
Percentage of DeferredIncomeTaxLiabilitiesNet50.9100.0
Percentage of Assets0.80.3
Percentage of Assets srt:ScenarioPreviouslyReported0.00.0

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value403941403231323130373856808593929492918486909298100991035356598012212312512598102103105688182
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.64.03.73.13.73.83.73.74.64.97.110.311.011.811.812.012.012.311.211.511.912.512.712.912.813.67.07.27.610.315.115.415.415.512.012.813.013.68.610.611.2

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:ForeignPlan


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.71.41.62.12.4
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent4.14.34.12.32.6
Percentage of Assets0.20.20.20.30.3
Percentage of Assets us-gaap:ForeignPlan0.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value171714101010111111111413143030181717171718181817181718161616161616161616161516171817
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.61.40.91.01.21.41.31.41.41.81.81.83.93.92.42.22.22.42.42.42.42.52.22.32.32.42.12.12.02.12.02.02.02.02.02.12.02.12.22.42.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-31
Value535456564432181921220.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.75.05.45.24.33.82.12.32.52.70.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312020-09-25
Value9415000.08813000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.90.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312020-09-25
Value8750000.08371000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.80.8

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312020-09-25
Value6608000.06494000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.60.6

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value6278000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value53
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets5.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312020-09-25
Value6363
Percentage of OperatingLeaseLiability100.0100.0
Percentage of Assets6.05.9

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312020-09-25
Value9495
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets9.08.8

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312020-09-25
Value3132
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0
Percentage of Assets2.92.9

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-312009-12-312008-12-31
Value681661655611604596610597594566553536515504494511502497494499492488482475471464458486487478463437430421414430420412405428415384339347
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.760.262.056.458.170.571.671.271.168.769.268.165.664.862.665.763.764.466.766.865.464.565.061.460.559.560.163.461.760.559.654.353.651.850.952.652.651.852.654.354.252.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

mtrn:OtherEquity


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value4.5833.863.7563.7483.6783.493.4224.0583.9914.5384.4884.4374.3864.3374.4464.0643.5952.9272.2662.1592.1832.52.1630.837
Percentage of StockholdersEquity0.70.60.60.60.60.60.60.70.70.80.80.80.90.90.90.80.70.60.50.50.50.70.60.2
Percentage of Assets0.40.40.40.30.40.40.40.50.50.60.60.60.60.60.60.50.50.40.30.30.30.30.00.0
Percentage of Assets mtrn:OtherEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-43.084-46.087-38.639-42.781-45.571-47.173-45.462-43.858-43.978-57.27-58.234-97.358-99.106-101.221-102.937-86.181-80.705-82.237-59.888-88.429-72.215-51.616-46.684-47.801
Percentage of StockholdersEquity-6.3-7.0-5.9-7.0-7.5-7.9-7.4-7.3-7.4-10.1-10.5-18.1-19.2-20.1-20.8-17.4-16.7-18.0-12.9-21.3-17.8-13.4-13.7-13.8
Percentage of Assets-3.8-4.2-3.7-3.9-4.4-5.6-5.3-5.2-5.3-6.9-7.3-12.3-12.6-13.0-13.0-11.6-10.9-10.8-7.7-10.9-9.4-7.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value268264258257256253249247245241234232230227223212208202197191185180173170
Percentage of StockholdersEquity39.340.139.442.042.442.640.941.441.342.642.443.444.745.145.243.043.344.142.646.145.846.951.149.1
Percentage of Assets23.524.124.423.724.730.029.329.529.429.329.329.529.429.328.328.728.126.525.423.524.124.50.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value660645631592588584589577576562548571553545536517499476441428408368321334
Percentage of StockholdersEquity96.997.696.396.997.398.096.696.696.999.399.0106.4107.3108.1108.3104.8103.5104.095.3103.2100.695.894.796.3
Percentage of Assets57.958.859.754.756.569.169.268.868.968.368.572.570.470.167.869.967.362.556.852.652.950.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-208.854-206.845-199.187-199.185-198.726-198.311-186.845-187.464-187.224-184.812-175.426-174.532-173.825-171.574-166.128-154.399-148.559-140.938-118.151-118.298-118.279-115.09-111.37-110.865
Percentage of StockholdersEquity-30.6-31.3-30.4-32.6-32.9-33.2-30.6-31.4-31.5-32.6-31.7-32.5-33.7-34.0-33.6-31.2-30.8-30.8-25.5-28.5-29.1-29.9-32.8-31.9
Percentage of Assets-18.3-18.8-18.8-18.4-19.1-23.4-21.9-22.3-22.4-22.4-21.9-22.1-22.1-22.1-21.0-20.8-20.0-18.5-15.2-14.5-15.3-15.60.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272013-12-312012-12-312011-12-312010-12-31
Value268264258257256253249247245241234232230227223219218216212212211210208207203201202201200197191185180
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.524.124.423.724.730.029.329.529.429.329.329.529.429.328.328.227.728.128.728.428.027.828.126.826.125.826.526.225.325.423.524.124.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272013-12-312013-09-272013-06-282012-12-312011-12-312010-12-31
Value660645631592588584589577576562548571553545536531524519517513506503499494491484476466455441432426428408368
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets57.958.859.754.756.569.169.268.868.968.368.572.570.470.167.868.366.467.369.968.667.266.567.363.963.062.062.560.857.656.853.653.052.652.950.1

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:BalanceSheetLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Retained
Period End2020-12-312019-12-31
Value3335
Percentage of RetainedEarningsAccumulatedDeficit5.35.9
Percentage of Assets3.24.1
Percentage of Assets srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.0

srt:ScenarioPreviouslyReported


Retained
Period End2020-12-312019-12-31
Value597589
Percentage of RetainedEarningsAccumulatedDeficit94.7100.0
Percentage of Assets56.569.2
Percentage of Assets srt:ScenarioPreviouslyReported0.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-312009-12-31
Value-43084000.0-46087000.0-38639000.0-42781000.0-45571000.0-47173000.0-45462000.0-43858000.0-43978000.0-57270000.0-58234000.0-97358000.0-99106000.0-101220000.0-102940000.0-82890000.0-83922000.0-84782000.0-86181000.0-75353000.0-76625000.0-78769000.0-80705000.0-82205000.0-82288000.0-82402000.0-82237000.0-49311000.0-49161000.0-49909000.0-59888000.0-87934000.0-89215000.0-89561000.0-88429000.0-72215000.0-51616000.0-46684000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-3.8-4.2-3.7-3.9-4.4-5.6-5.3-5.2-5.3-6.9-7.3-12.3-12.6-13.0-13.0-10.6-10.6-11.0-11.6-10.1-10.2-10.4-10.9-10.6-10.6-10.5-10.8-6.4-6.2-6.3-7.7-10.9-11.1-11.0-10.9-9.4-7.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-31
Value280000.0468000.0-29000.0104000.0-330000.025000.0-2000.0-134000.0189000.0-441000.00000
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.6-1.20.1-0.20.7-0.10.00.3-0.30.8-0.0-0.0-0.0-0.0
Percentage of Assets0.00.0-0.00.0-0.00.0-0.0-0.00.0-0.10.00.00.00.0
Percentage of Assets mtrn:CopperSwap us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mtrn:CopperSwap, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value468000.025000.0-441000.0000
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-1.2-0.10.8-0.0-0.0-0.0
Percentage of Assets0.00.0-0.10.00.00.0
Percentage of Assets mtrn:CopperSwap us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-31
Value186000.0320000.0-170000.0-708000.0-779000.0-841000.0-452000.0-779000.0-458000.0-24000.079000.0431000.0269000.0-238000.0-196000.0-95000.093000.0-100000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-0.4-0.70.41.71.71.81.01.81.00.0-0.1-0.4-0.30.20.20.1-0.10.1-0.0
Percentage of Assets0.00.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.00.00.10.0-0.0-0.0-0.00.0-0.00.0
Percentage of Assets mtrn:PreciousMetalContracts us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-31
Value-170000.0-452000.079000.0-238000.0-196000.0-95000.093000.0-100000.0000000000000-12000.0022000.0063000.033000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax0.41.0-0.10.20.20.1-0.10.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.0-0.0
Percentage of Assets-0.0-0.10.0-0.0-0.0-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.00.00.0
Percentage of Assets mtrn:PreciousMetalContracts us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-31
Value1603000.01462000.0519000.0812000.01065000.01214000.01324000.01691000.01420000.01663000.01263000.01545000.01582000.0326000.0959000.01177000.01109000.01476000.01837000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-3.7-3.2-1.3-1.9-2.3-2.6-2.9-3.9-3.2-2.9-2.2-1.6-1.6-0.3-0.9-1.4-1.3-1.7-2.1
Percentage of Assets0.10.10.00.10.10.10.20.20.20.20.20.20.20.00.10.20.10.20.2
Percentage of Assets us-gaap:ForeignExchangeForward us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-31
Value519000.01324000.01263000.0326000.0959000.01177000.01109000.01476000.01837000.01090000.0958000.0656000.01579000.01800000.02977000.04081000.03578000.02901000.01421000.01341000.01346000.01357000.01763000.02033000.01567000.02312000.0399000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-1.3-2.9-2.2-0.3-0.9-1.4-1.3-1.7-2.1-1.4-1.3-0.8-2.0-2.2-3.6-5.0-4.4-5.9-2.9-2.7-2.2-1.5-2.0-2.3-1.8-3.2-0.8
Percentage of Assets0.00.20.20.00.10.20.10.20.20.10.10.10.20.20.40.50.50.40.20.20.20.20.20.30.20.30.1
Percentage of Assets us-gaap:ForeignExchangeForward us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-31
Value-43226000.0-43309000.0-43473000.0-41212000.0-41241000.0-41330000.0-41346000.0-39549000.0-40050000.0-54003000.0-54543000.0-95511000.0-97018000.0-98314000.0-99592000.0-79961000.0-80842000.0-81601000.0-82358000.0-73873000.0-74546000.0-75221000.0-76796000.0-78957000.0-79858000.0-80760000.0-81662000.0-51044000.0-51584000.0-52126000.0-61509000.0-90466000.0-91697000.0-92917000.0-94136000.0-79507000.0-56004000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.394.0112.596.390.587.690.990.291.194.393.798.197.997.196.896.596.396.295.698.097.395.595.296.097.098.099.3103.5104.9104.4102.7102.9102.8103.7106.5110.1108.5
Percentage of Assets-3.8-3.9-4.1-3.8-4.0-4.9-4.8-4.7-4.8-6.5-6.8-12.1-12.3-12.6-12.6-10.3-10.2-10.6-11.1-9.9-9.9-9.9-10.3-10.2-10.2-10.3-10.7-6.7-6.5-6.6-7.9-11.2-11.4-11.4-11.6-10.3-7.6
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-31
Value1789000.02062000.0817000.075000.0390000.043000.0897000.0910000.0828000.01828000.0901000.01976000.01851000.088000.0763000.01082000.01202000.01376000.01837000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-4.2-4.5-2.1-0.2-0.9-0.1-2.0-2.1-1.9-3.2-1.5-2.0-1.9-0.1-0.7-1.3-1.4-1.6-2.1
Percentage of Assets0.20.20.10.00.00.00.10.10.10.20.10.30.20.00.10.10.20.20.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312019-12-312018-12-312018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-31
Value817000.0897000.0901000.088000.0763000.01082000.01202000.01376000.01837000.01090000.0958000.0656000.01579000.01800000.02977000.04081000.03578000.02901000.01421000.01341000.01334000.01357000.01785000.02033000.01630000.02345000.0399000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-2.1-2.0-1.5-0.1-0.7-1.3-1.4-1.6-2.1-1.4-1.3-0.8-2.0-2.2-3.6-5.0-4.4-5.9-2.9-2.7-2.2-1.5-2.0-2.3-1.8-3.2-0.8
Percentage of Assets0.10.10.10.00.10.10.20.20.20.10.10.10.20.20.40.50.50.40.20.20.20.20.20.30.20.30.1
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312011-12-312010-12-31
Value-1647000.0-4840000.04017000.0-1644000.0-4720000.0-5886000.0-5013000.0-5219000.0-4756000.0-5095000.0-4592000.0-3823000.0-3939000.0-2995000.0-4108000.0-4011000.0-4282000.0-4557000.0-5660000.0-2570000.0-3037000.0-4204000.0-5488000.0-5048000.0-5407000.0-5723000.0-4153000.0-1168000.01002000.0876000.0287000.01175000.0697000.01323000.0-4077000.04947000.03989000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax3.810.5-10.43.810.412.511.011.910.88.97.93.94.03.04.04.85.15.46.63.44.05.36.86.16.66.95.12.4-2.0-1.8-0.5-1.3-0.8-1.54.6-6.9-7.7
Percentage of Assets-0.1-0.40.4-0.2-0.5-0.7-0.6-0.6-0.6-0.6-0.6-0.5-0.5-0.4-0.5-0.5-0.5-0.6-0.8-0.3-0.4-0.6-0.7-0.7-0.7-0.7-0.5-0.20.10.10.00.10.10.2-0.50.60.5
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272013-12-312012-12-312011-12-312010-12-31
Value208206199199198198186187187184175174173171166161160157154153152150148148144141140134121118118118115
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.318.818.818.419.123.421.922.322.422.421.922.122.122.121.020.720.420.420.820.620.319.820.019.218.518.118.517.515.315.214.515.315.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value28152143279.13392942-12.617271937-8.175323517-16.829401726-17.444452325-4.067392221-23.211372022-4.766451.67313-22.97268-4.58113-20.7541635
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.74.46.415.010.13.314.29.614.3-4.29.16.712.1-2.710.512.05.8-7.017.480.4150.9-114.521.2153.5152.2-23.213.6873.21641.0-1809.113.11715.31374.5-322.515.1112.84.3-6.520.5-1.23.2-5.54.610.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value-26434000.0-30675000.0-20991000.0-141720000.0-17222000.0-14779000.0-6405000.0-4670000.0-6088000.0-9321000.0-6853000.0-6424000.0-11026000.0-9525000.0-8528000.0-6592000.0-5520000.0-22718000.0-9735000.0-6315000.0-11561000.0-9744000.0-11018000.0-14368000.0-15702000.0-10944000.0-10040000.0-7242000.0-6998000.0-3191000.0-8393000.0-6876000.0-7671000.0-9647000.0-11875000.0-11489000.0-8908000.0-11091000.0-33968000.0-7391000.0-5817000.0-2853000.0-4639000.0-9754000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.1-8.7-6.2-49.3-6.3-5.3-2.3-1.5-2.0-3.1-2.3-2.2-3.6-3.1-2.8-2.2-1.9-9.4-4.2-29.3-65.9-63.9-5.1-92.7-95.2-62.3-3.5-280.9-528.5-248.7-2.9-578.3-460.7-652.7-3.9-774.7-2.7-3.1-10.2-1.9-1.4-0.8-1.3-3.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value2.7958.727-93.396-49.268146-11.401-2.9-4.828-3.529-6.797-3.251-2.644-3.164-4.546-4.507-24.993-9.68123-14.424-16.302-12.75821-34.92-4.736-10.9224-34.304-13.433-15.90422-26.3-9.179-19.65318-29.0065.195-4.70837-30.95211-10.4419-10.679-26.426
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.82.5-27.5-17.254.1-4.1-1.0-1.6-1.2-2.3-1.1-0.9-1.0-1.5-1.5-8.5-3.39.9-6.2-75.6-72.7140.3-16.3-30.5-66.2139.4-11.9-521.1-1201.21774.0-9.2-772.0-1180.41282.8-9.5350.3-1.410.5-9.32.9-2.55.2-3.0-8.1

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value5.411-6.944-91.876-147.314157-17.431301932-28.781
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.5-2.0-27.0-51.358.0-6.310.96.411.1-9.5

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value182000.0182000.0243000.0183000.0182000.0182000.0242000.0248000.0236000.0236000.0289000.0206000.0253000.0261000.0249000.0230000.0210000.0230000.0249000.0136000.0130000.0151000.0157000.0166000.0183000.0148000.0168000.0271000.0178000.0178000.0178000.0176000.0163000.0162000.0162000.0162000.0168000.0157000.0218000.0108000.0116000.0117000.0119000.0137000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value108.599108.529.248149.1619.348139.0679.0188.1579.1429.2079.30712101011101211125.9528.20811139.8109.8129.59.79.88.48911119.9310119.6168.678
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value-1.7561514-8.5685.718-11.049-12.21324-2.9214-3.055-1.7863.4788.582-3.088-9.311713-15.6856.768-1.67614-16.36-3.039-0.8455.467-13.1186.5040.4668.214-8.834-8.2380.5474.569-11.53814-16.2921-43.1557.71-4.467135.765-13.745
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value1723-8.595-10.7023.86216-1.942-20.783-10.8679.56115-9.326-5.331-5.097-0.4913.455-3.0959.593-7.497-2.141-1.680.527-9.444-7.778-8.0755.9256.2647.5893.196130.7454.8796.387-3.77-4.9151.842201.381-8.275115.607212.14110
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value28152143279.13392942-12.617271937-8.175323517-16.829401726-17.444452325-4.067392221-23.211372022-4.766451.67313-22.97268-4.58113-20.7541635
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.74.46.415.010.13.314.29.614.3-4.29.16.712.1-2.710.512.05.8-7.017.480.4150.9-114.521.2153.5152.2-23.213.6873.21641.0-1809.113.11715.31374.5-322.515.1112.84.3-6.520.5-1.23.2-5.54.610.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value17168.0666.4966.678-3.103143.4631516-20.828191110-8.2329.327.3133.056.7788.0455.5495.3686.7156.9368.8789.62911129.9747.3313.7755.1238.9096.7852.5038.1147.9296.1180.7621313111213136.721
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 RevenueFromContractWithCustomerExcludingAssessedTax4.84.72.42.32.5-1.15.31.15.25.6-7.06.73.63.5-2.73.22.51.32.937.331.635.23.144.753.854.84.2482.5753.3571.41.3430.9535.1459.10.8547.12.41.70.23.43.33.23.54.14.22.3

us-gaap:NetIncomeLoss us-gaap:IncomeStatementLocation

srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment


Net
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value1.195-1.025-0.875-0.775-0.4051.0591.8530.227
Percentage of NetIncomeLoss14.8-15.8-13.125.0-2.730.611.91.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.4-0.3-0.3-0.10.30.60.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:RevisionOfPriorPeriodChangeInAccountingPrincipleAdjustment0.00.00.00.00.00.00.00.0

srt:ScenarioPreviouslyReported


Net
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value6.8716.4966.678-3.103143.4631516
Percentage of NetIncomeLoss85.2100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.32.5-1.15.31.15.25.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:ScenarioPreviouslyReported0.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value17165.3916.4966.678-3.103143.4631516-20.828191110
Percentage of NetIncomeLoss100.0100.066.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.71.62.32.5-1.15.31.15.25.6-7.06.73.63.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value2039000.01473000.01539000.023000.02474000.01492000.01940000.01689000.01994000.01547000.01531000.01618000.01393000.0771000.0654000.0796000.01169000.02338000.0294000.0961000.01031000.0888000.0973000.01863000.0373000.02282000.01323000.01096000.01615000.01412000.01638000.01427000.01477000.01199000.01546000.01515000.01417000.01411000.01407000.01402000.01201000.0990000.01066000.01046000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value-26434000.0-30675000.0-20991000.0-141720000.0-17222000.0-14779000.0-6405000.0-4670000.0-6088000.0-9321000.0-6853000.0-6424000.0-11026000.0-9525000.0-8528000.0-6592000.0-5520000.0-22718000.0-9735000.0-6315000.0-11561000.0-9744000.0-11018000.0-14368000.0-15702000.0-10944000.0-10040000.0-7242000.0-6998000.0-3191000.0-8393000.0-6876000.0-7671000.0-9647000.0-11875000.0-11489000.0-8908000.0-11091000.0-33968000.0-7391000.0-5817000.0-2853000.0-4639000.0-9754000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.1-8.7-6.2-49.3-6.3-5.3-2.3-1.5-2.0-3.1-2.3-2.2-3.6-3.1-2.8-2.2-1.9-9.4-4.2-29.3-65.9-63.9-5.1-92.7-95.2-62.3-3.5-280.9-528.5-248.7-2.9-578.3-460.7-652.7-3.9-774.7-2.7-3.1-10.2-1.9-1.4-0.8-1.3-3.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value2631201417146.0584.365.8068.0275.8934.6569.2867.8679.7576.5075.1246.1287.1255.7268.6125.7145.427.5219.3687.1969.4696.9846.7396.128.0186.8077.2425.7818.7537.3788.6759.2829.4657.6197.2343.8698.5019.045
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value2.7958.727-93.396-49.268146-11.401-2.9-4.828-3.529-6.797-3.251-2.644-3.164-4.546-4.507-24.993-9.68123-14.424-16.302-12.75821-34.92-4.736-10.9224-34.304-13.433-15.90422-26.3-9.179-19.65318-29.0065.195-4.70837-30.95211-10.4419-10.679-26.426
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.82.5-27.5-17.254.1-4.1-1.0-1.6-1.2-2.3-1.1-0.9-1.0-1.5-1.5-8.5-3.39.9-6.2-75.6-72.7140.3-16.3-30.5-66.2139.4-11.9-521.1-1201.21774.0-9.2-772.0-1180.41282.8-9.5350.3-1.410.5-9.32.9-2.55.2-3.0-8.1

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-31
Value1.2770.3774.277150.2860.1420.2240.2020.20.1970.2640.130.1930.190.18930205.180.177100.1720.22741131913203.2477.2468.246237.248550.247200.2467.2470.24751401510.020
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-30
Value2453000.02338000.02337000.02338000.02337000.02245000.02244000.02244000.02243000.02125000.02127000.02125000.02125000.02012000.02010000.02004000.02004000.01895000.01895000.01897000.01903000.01801000.01801000.01808000.01815000.01708000.01709000.01751000.01757000.01648000.01650000.01649000.01654000.01544000.01532000.01533000.01550000.00
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272012-12-312011-12-312010-12-31
Value0.00.00.06.7660.00.00.00.1990.4220.00.00.00.00.00.6810.4050.01.1352.2010.4620.04.3811.980.7686.667121.2061.4660.00.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.00.00.0100.00.00.00.0100.0100.00.00.00.00.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value15.517.119.1-1327.70.1950.197-0.0280.3950.1880.182-0.316-0.1570.2090.1250.5410.1550.191-0.042-0.1570.1670.0540.246-0.030.2750.2710.291-0.0430.2530.2820.292-0.0440.0270.2920.22-0.070.3570.3180.3340.1740.3140.324
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-022021-04-022018-03-302014-06-27
Value1865.053199.059222.038000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-04-032014-06-272013-03-292012-03-30
Value052709.0364.00064636.0-461.00073461.0-112.00065112.0-15.00097015.0935.000221060.01000.0160000.0144000.0147000.0182000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.099.10.00.00.00.00.00.00.00.00.00.00.0109.90.00.00.00.00.00.00.00.00.00.0378.90.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, mtrn:DirectorEquityPlanDomain


Share
Period End2020-12-312020-09-252019-12-312019-09-272018-12-312018-09-28
Value0000272.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU, mtrn:StockIncentivePlanDomain


Share
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-28
Value17337.03822.02189.060652.06335.00063665.0-222.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.00.00.00.00.00.00.00.00.00.0

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
Value121119172527252830-30.736-36.206
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
Value2520243464535541595143
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 End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2360000.03221000.02900000.02900000.02000000.01285000.01790000.01679000.01767000.01969000.02944000.02444000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value141715163.992.8374.4444.7824.5843.9172.525
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ChangeinUnbilledReceivables us-gaap:BalanceSheetLocation

mtrn:ChangeinUnbilledReceivables

mtrn:UnbilledReceivables


Changein
Period End2021-07-022021-04-02
Value-3213000.05063000.0
Percentage of ChangeinUnbilledReceivables100.0100.0

mtrn:ContractwithCustomerAssetNetCurrentChange us-gaap:BalanceSheetLocation

mtrn:ContractwithCustomerAssetNetCurrentChange

us-gaap:TradeAccountsReceivable


Contractwith
Period End2021-07-022021-04-022020-12-31
Value2.8689.5914
Percentage of ContractwithCustomerAssetNetCurrentChange100.0100.0100.0

mtrn:ContractwithCustomerAssetPercentChange us-gaap:BalanceSheetLocation

mtrn:ContractwithCustomerAssetPercentChange

mtrn:UnbilledReceivables


Contractwith
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-36.057.03.0-37.38-0.3-0.32-0.571.470.740.3-0.660.011.270.12
Percentage of ContractwithCustomerAssetPercentChange100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradeAccountsReceivable


Contractwith
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2.06.010.01.00.09-0.09-0.070.14-0.050.11-0.01-0.02-0.020.07
Percentage of ContractwithCustomerAssetPercentChange-5.610.5333.3-2.7-30.028.112.39.5-6.836.71.5-200.0-1.658.3

mtrn:ContractwithCustomerLiabilityPercentChange us-gaap:BalanceSheetLocation

mtrn:ContractwithCustomerLiabilityPercentChange

mtrn:UnearnedRevenue


Contractwith
Period End2021-07-022021-04-022020-12-31
Value31.011.099.0
Percentage of ContractwithCustomerLiabilityPercentChange100.0100.0100.0

mtrn:CostOfMineDevelopment

mtrn:CostOfMineDevelopment


Cost
Period End2020-09-25
Value7.3
Percentage of CostOfMineDevelopment100.0

mtrn:DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements us-gaap:RetirementPlanType

mtrn:DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022020-06-262019-12-312019-09-272018-12-312018-09-282017-12-312017-09-29
Value-0.394-0.389-0.283-0.28-0.247-0.248-0.252-0.252
Percentage of DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-07-022020-06-262019-09-272018-09-282017-09-29
Value-0.83-0.7061.6072.3022.381
Percentage of DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements210.7181.5-573.9-928.2-944.8

mtrn:ExpectedMineDevelopmentCosts

mtrn:ExpectedMineDevelopmentCosts


Expected
Period End2020-09-25
Value6000000.0
Percentage of ExpectedMineDevelopmentCosts100.0

mtrn:GrossProfitPercentage

mtrn:GrossProfitPercentage


Gross
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-022010-04-02
Value16.415.817.316.00.1960.2130.2340.230.2220.2180.20.1920.190.1880.1840.1790.1880.2030.1810.1840.2010.180.1850.1810.1930.1880.1730.1760.1720.1620.150.1620.1450.180.1630.140.1180.1460.1480.1490.1660.1790.1710.167
Percentage of GrossProfitPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:IncreaseDecreaseInInterestAndTaxesPayable

mtrn:IncreaseDecreaseInInterestAndTaxesPayable


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value-296000.03164000.0-300000.0-915000.0690000.0368000.0694000.0-369000.0-3655000.02525000.0-5122000.03473000.0458000.01626000.01569000.0-968000.0122000.0-1237000.01613000.0-412000.0301000.01009000.0-1806000.0-2344000.01926000.01314000.0-4856000.0585000.02784000.02648000.02283000.0-69000.0-296000.0473000.0-2901000.0377000.0-2076000.02276000.0-1706000.0161000.0-6400000.02054000.01297000.01110000.0
Percentage of IncreaseDecreaseInInterestAndTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:Mtrn_DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements us-gaap:RetirementPlanType

mtrn:Mtrn_DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Mtrn_
Period End2020-09-252020-06-262019-09-272019-06-28
Value-390000.0-389000.0-280000.0-281000.0
Percentage of Mtrn_DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Mtrn_
Period End2020-09-252020-06-262019-09-272019-06-28
Value-707000.0-706000.01607000.01347000.0
Percentage of Mtrn_DefinedBenefitPlanNetPeriodicBenefitCostBeforeSettlements181.3181.5-573.9-479.4

mtrn:OtherNet

mtrn:OtherNet


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-012010-07-02
Value0.7340.29-0.260.007-0.023-0.122-0.4470.19-0.0980.5680.4930.085-0.063-0.2930.7020.0240.1270.317-0.822-0.0530.445-0.0661.4391.590.036-2.1582.155-0.644-2.8950.3634.874.1612.952.484.7633.1293.9283.7882.0225.0165.0643.6713.8693.9272.946
Percentage of OtherNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-31
Value068.820
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice0.0100.00.0

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensation

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensation


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value91000.090000.057000.057000.056000.057000.052000.052000.0110000.035000.034000.036000.092000.017000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensation us-gaap:StatementEquityComponents

mtrn:OtherEquity


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value723000.0104000.08000.070000.0188000.068000.0-636000.067000.0-547000.050000.051000.051000.049000.0-109000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensation794.5115.614.0122.8335.7119.3-1223.1128.8-497.3142.9150.0141.753.3-641.2

us-gaap:CommonStock


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value50000.039000.028000.028000.014000.031000.029000.030000.018000.017000.021000.09000.049000.010000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensation54.943.349.149.125.054.455.857.716.448.661.825.053.358.8

us-gaap:TreasuryStock


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-682000.0-53000.021000.0-41000.0-146000.0-42000.0659000.0-45000.0639000.0-32000.0-38000.0-24000.0-6000.0116000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensation-749.5-58.936.8-71.9-260.7-73.71267.3-86.5580.9-91.4-111.8-66.7-6.5682.4

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensationShares us-gaap:StatementEquityComponents

mtrn:StockIssuedDuringPeriodValueDirectorsDeferredCompensationShares

mtrn:CommonShares


Stock
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-28
Value1000.02000.01000.01000.01000.01000.02000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensationShares100.0100.0100.0100.0100.0100.0100.0

mtrn:CommonSharesHeldInTreasury


Stock
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-28
Value1000.02000.01000.01000.01000.01000.02000.0
Percentage of StockIssuedDuringPeriodValueDirectorsDeferredCompensationShares100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282017-12-312017-09-292016-09-30
Value-0.2940.00.0100.0140.00.00.00.0-0.3140.1140.0
Percentage of AssetImpairmentCharges100.00.00.0100.00.0100.00.00.00.00.0100.0100.00.0

us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationConsiderationTransferred1


Business
Period End2020-07-17
Value136
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value136
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts


Business
Period End2020-12-312020-09-25
Value400000.04700000.0
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-01
Value0.120.1150.1150.1150.1150.110.110.110.110.1050.1050.1050.1050.10.10.10.10.0950.0950.0950.0950.090.090.090.090.0850.0850.0850.0850.080.080.080.080.0750.0750.0750.075000
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-07-022021-04-02
Value800000.02400000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0

us-gaap:DeferredRevenueAdditions

us-gaap:DeferredRevenueAdditions


Deferred
Period End2021-07-022021-04-022020-09-252020-06-26
Value2.25.91319
Percentage of DeferredRevenueAdditions100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-01
Value68000.069000.083000.083000.083000.024000.023000.023000.000000000
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-01
Value-417000.0-418000.0-284000.0-284000.0-284000.0-762000.0-627000.0-804000.0-1959000.0-1959000.0-1960000.0-1623000.0-1611000.0-1587000.0-1431000.0-1430000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-613.2-605.8-342.2-342.2-342.2-3175.0-2726.1-3495.70.00.00.00.00.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-01
Value-375000.0-374000.0-374000.0-374000.0-374000.0-374000.0-374000.0-374000.0-375000.0-374000.0-374000.0-374000.0-374000.0-374000.0-375000.0-374000.0-374000.0-374000.0-375000.0-374000.0-374000.0
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:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-01
Value2.2342.2342.2062.2052.2052.1342.1672.1233.6973.6973.6973.6783.6713.3653.4883.488
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-01
Value0.0290.0290.0530.0530.0530.0530.10.10.0990.10.0990.0990.0990.0990.1010.0990.0990.0990.140.140.141
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 End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-01
Value0.9870.9861.2151.2151.2151.51.3471.5572.3972.3972.3972.3722.372.3562.5952.595
Percentage of DefinedBenefitPlanInterestCost3403.43400.02292.52292.52292.51500.01360.61557.02421.22421.22421.22396.02393.92379.81853.61840.4

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-01
Value-0.394-0.394-0.39-0.39-0.389-0.389-0.283-0.28-0.281-0.28-0.247-0.248-0.247-0.247-0.252-0.252-0.252-0.252-0.207-0.208-0.208
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 End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-01
Value-0.83-0.83-0.707-0.612-0.7061.6074.6431.6982.6612.3032.3032.3812.3072.1762.3692.368
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost210.7210.7181.3157.3181.5-573.9-1652.3-606.4-1073.0-932.4-932.4-944.8-915.5-863.5-1138.9-1138.5

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1


Defined
Period End2020-12-312020-09-252019-12-312019-09-272019-06-282018-12-312018-09-28
Value0-188000.0-32000.00-3296000.0-41047000.0-359000.0
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments10.0100.0100.00.0100.0100.0100.0

us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-09-252020-06-262019-09-272019-06-282018-09-282018-06-29
Value0-94000.00-3296000.0-359000.00
Percentage of DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1-0.00.00.0100.0100.00.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-01
Value20000.020000.014000.014000.015000.015000.014000.018000.018000.017000.028000.027000.028000.028000.022000.023000.023000.023000.028000.026000.025000.0
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:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DerivativeGainLossOnDerivativeNet

mtrn:CopperSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:CostOfSales


Derivative
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value-1507000.0-1534000.0254000.0-353000.0132000.0321000.0-112000.0413000.0163000.0-71000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:PreciousMetalSwaps, us-gaap:DesignatedAsHedgingInstrument, us-gaap:CostOfSales


Derivative
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value65000.0-104000.0522000.0710000.0491000.0318000.0314000.0343000.0-1000.0-61000.0
Percentage of DerivativeGainLossOnDerivativeNet-4.36.8205.5-201.1372.099.1-280.483.1-0.685.9

us-gaap:ForeignExchangeForward, us-gaap:DesignatedAsHedgingInstrument, us-gaap:SalesRevenueNet


Derivative
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-29
Value0140000.0191000.08000.0-1000.0-3000.0-46000.02000.0
Percentage of DerivativeGainLossOnDerivativeNet-0.0-9.1-54.16.1-0.3-0.7-28.2-2.8

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-29
Value-1442000.0-1498000.0548000.0631000.0638000.0753000.0116000.0-130000.0
Percentage of DerivativeGainLossOnDerivativeNet95.797.7-155.2478.0198.8182.371.2183.1

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2453000.02338000.02337000.02338000.02337000.02245000.02244000.02244000.02243000.02125000.02127000.02125000.02125000.02012000.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2453000.02338000.02337000.02338000.02337000.02245000.02244000.02244000.02243000.02125000.02127000.02125000.02125000.02012000.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsSharebasedCompensationStock us-gaap:StatementEquityComponents

us-gaap:DividendsSharebasedCompensationStock

us-gaap:RetainedEarnings


Dividends
Period End2021-07-022020-06-26
Value-32000.0-43000.0
Percentage of DividendsSharebasedCompensationStock100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value435000.0-446000.0898000.0658000.0437000.0-381000.0100000.0-322000.0-54000.0-46000.06000.0-154000.0-600000.0608000.095000.0380000.0225000.0688000.0-1003000.0118000.0-42000.0448000.0-36000.0-500000.0203000.0-682000.0-1370000.0-288000.0-76000.0181000.0-97000.091000.0-78000.0-361000.049000.085000.0-25000.0-68000.0-314000.026000.094000.0193000.0-221000.047000.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfLIFOInventoryLiquidationOnIncome

us-gaap:EffectOfLIFOInventoryLiquidationOnIncome


Effect
Period End2020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-03
Value0-100000.00-1300000.0500000.0100000.00-1500000.0200000.0100000.00600000.00200000.00900000.00500000.02700000.03700000.0500000.0800000.01100000.0
Percentage of EffectOfLIFOInventoryLiquidationOnIncome0.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-28
Value273000.0266000.0238000.0250000.0256000.0259000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2020-12-312020-09-252019-12-312019-09-27
Value273000.0266000.0250000.0256000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value837000.0675000.0773000.0814000.0393000.0233000.0306000.0295000.0301000.0298000.0148000.0214000.0211000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-28
Value22000.0601000.0350000.0351000.0353000.0354000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-09-302011-07-012011-04-01
Value33000.0-1249000.0-1008000.01029000.02486000.062000.0187000.0-469000.0-307000.0-77000.0-128000.0-140000.0-1230000.011000.0-72000.0201000.0336000.0257000.0-548000.0-336000.0-650000.09000.0892000.01256000.01729000.01584000.01701000.0450000.0-423000.0-52000.0235000.0126000.0426000.0719000.0428000.0629000.0177000.0243000.0-865000.0-674000.0-344000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet

us-gaap:GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet


Gain
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-30
Value-400000.01600000.00400000.01700000.0600000.0-200000.0300000.000-700000.0400000.01600000.0500000.00500000.0500000.0
Percentage of GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet100.0100.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-03
Value-24000.0388000.0-19000.0-9000.0-46000.0-1000.0-118000.0-24000.0-14000.03000.0-26000.0-60000.0-119000.0-28000.0-94000.0-25000.0720000.0-2000.0-234000.0-74000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-28
Value0.00.00.09.0530.0110.00.00.00.0
Percentage of GoodwillImpairmentLoss0.00.00.0100.00.0100.00.00.00.00.0

us-gaap:GoodwillImpairmentLoss us-gaap:StatementBusinessSegments

mtrn:PrecisionCoatings


Goodwill
Period End2020-09-252020-06-262020-03-272019-12-31
Value0.00.09.053-23.12
Percentage of GoodwillImpairmentLoss0.00.0100.00.0

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:GoodwillOtherIncreaseDecrease


Goodwill
Period End2020-12-312020-09-252020-06-262020-03-272019-12-31
Value6031000.0-1607000.0-169000.0126000.0-222000.0
Percentage of GoodwillOtherIncreaseDecrease100.0100.0100.0100.0100.0

us-gaap:GoodwillOtherIncreaseDecrease us-gaap:StatementBusinessSegments

mtrn:AdvancedMaterialTechnologies


Goodwill
Period End2020-12-312020-09-252020-06-262020-03-272019-12-31
Value510000.0-130000.0-169000.0126000.0-222000.0
Percentage of GoodwillOtherIncreaseDecrease8.58.1100.0100.0100.0

mtrn:PrecisionCoatings


Goodwill
Period End2020-09-252020-06-262020-03-272019-12-31
Value1477000.0000
Percentage of GoodwillOtherIncreaseDecrease-91.9-0.00.0-0.0

us-gaap:IncomeTaxReconciliationOtherReconcilingItems

us-gaap:IncomeTaxReconciliationOtherReconcilingItems


Income
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302013-09-272013-03-292012-09-282012-06-292012-03-302011-09-30
Value200000.0300000.0-800000.01000000.0-200000.01800000.0-400000.0900000.06100000.0100000.0900000.0-700000.0-600000.0500000.00100000.02200000.0
Percentage of IncomeTaxReconciliationOtherReconcilingItems100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value9.17919-12.118-2.1255.368-13.002-4.4614.699-2.783-16.03193.8992.119-16.308162.47216-0.8354.9655.6647.214-15.0851.31-2.4171.612-18.4943.849117.509-16.474135.927-0.99-26.153140.1376.585-19.5272.2451.595.589-12.004-0.9529.752
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-302010-10-01
Value15000.0-382000.04953000.0-993000.01227000.0-1147000.0-4207000.0-371000.05770000.0-788000.0359000.0-415000.0-1354000.0696000.0-813000.0371000.01118000.0-1664000.0-1837000.0-340000.050000.0-41000.0-17000.0917000.0785000.0-1951000.0-548000.065000.01295000.0-160000.0-5710000.0
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value2314000.0932000.03233000.0-41000.0681000.0-938000.0-1810000.0-640000.0636000.0-724000.0-1888000.0233000.0-410000.03061000.0559000.01126000.0-44000.0-1803000.0-488000.0-255000.0-411000.0-490000.0-5793000.05510000.03641000.0-877000.0175000.01462000.018000.0-5000.0-1109000.032000.0-175000.0154000.0-686000.0-784000.01024000.0-817000.0-197000.0651000.01532000.0435000.0
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue us-gaap:BalanceSheetLocation

mtrn:UnearnedRevenue


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272018-12-312018-09-28
Value2347000.0860000.03353000.01357000.0686000.0-1063000.0-1808000.0-641000.0-1887000.0229000.0
Percentage of IncreaseDecreaseInDeferredRevenue101.492.3103.7-3309.8100.7113.399.9100.299.998.3

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInOtherDeferredLiability


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-27
Value2.1535.891313197.113
Percentage of IncreaseDecreaseInOtherDeferredLiability100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value-0.3892.107-3.161-6.5788.391-1.127-1.834-0.1720.0320.5563.4860.28-5.5620.6345.529-3.197.8321.435-1.6140.1740.7750.007-4.104-2.0721.5572.48-0.388-2.0792.811-0.153-1.9946.451-8.714-2.39-5.3353.6170.2470.988-3.0625.0724.2811.28-0.2252.644
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:AwardType

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:PerformanceShares


Incremental
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-02
Value50000.074000.00144000.0138000.002000.0142000.0131000.0149000.05000.0153000.0131000.0138000.07000.0128000.0108000.098000.07000.083000.061000.040000.05000.060000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Incremental
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-02
Value93000.0108000.012000.077000.063000.002000.075000.076000.083000.01000.086000.075000.098000.01000.094000.0102000.0121000.02000.082000.075000.0108000.0-12000.0113000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements186.0145.90.053.545.70.0100.052.858.055.720.056.257.371.014.373.494.4123.528.698.8123.0270.0-240.0188.3

us-gaap:StockAppreciationRightsSARS


Incremental
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-02
Value79000.072000.0046000.036000.00-8000.059000.076000.0107000.0-13000.0168000.0166000.0203000.026000.0149000.0125000.0187000.08000.070000.063000.062000.0-18000.0123000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements158.097.30.031.926.10.0-400.041.558.071.8-260.0109.8126.7147.1371.4116.4115.7190.8114.384.3103.3155.0-360.0205.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-28
Value3.3573.8752.8622.9843.0582.904
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:NotionalAmountOfNonderivativeInstruments

us-gaap:NotionalAmountOfNonderivativeInstruments


Notional
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value444111748-4.63386.47.219276
Percentage of NotionalAmountOfNonderivativeInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2020-12-312020-09-252020-06-262019-12-312019-09-272019-06-28
Value3.0623.0082.2742.3832.4492.291
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2020-09-252020-06-262019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3.02.32.42.32.72.72.83.03.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2020-12-312020-09-252019-12-312019-09-27
Value4.814.1314.0784.053
Percentage of OperatingLeasePayments100.0100.0100.0100.0

us-gaap:OtherAssetImpairmentCharges

us-gaap:OtherAssetImpairmentCharges


Other
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-28
Value-294000.0001713000.002581000.00000
Percentage of OtherAssetImpairmentCharges100.00.00.0100.00.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-28
Value4.282-5.743.0992.1210.98-2.616-5.17-1.11130.8259.6240.5670.562-0.276-8.844-0.2580.0390.693-16.0610.3411.265-0.2592.592-0.0880.1191.08-51.010.1950.2114380.224-0.613-1.896-28.0990.85
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value1.1451.2910.1820.426-0.778-0.271-0.580.8840.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax26.7-22.58.643.529.724.4-4.4107.20.00.0-0.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.2390.741-0.617-0.411-0.823-0.73-0.563-0.0730.330.635-0.191-0.2050.393
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax-5.6-12.9-29.1-41.931.565.8-4.3-8.858.2113.069.279.51007.7

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value0.1831.085-0.52-0.201-0.1420.354-0.2690.5170.1210.871-1.198-0.324-0.629
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax4.3-18.9-24.5-20.55.4-31.9-2.062.721.3155.0434.1125.6-1612.8

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value1.0893.117-0.955-0.186-1.743-0.647-1.4121.3280.4511.506-1.389-0.529-0.236
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax25.4-54.3-45.0-19.066.658.3-10.7161.079.5268.0503.3205.0-605.1

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-28
Value3.193-8.8575.6613.0761.166-0.8730.206-0.4630.339-0.503-0.7690.116-0.9441.113-0.0970.2710.2751.103-3.090.4671.1671.284-0.440.3590.316-1.57-2.985-2.170.1260.589-3.790.478-0.626-2.754-0.871.271
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax74.6154.3182.7145.0119.033.4-4.041.72.6-61.0-8.020.5-168.0-403.31.1-105.0705.1159.219.2137.092.3-495.8-17.0-408.0265.5-145.45.9-1112.860.04.1-9.8213.4102.1145.33.1149.5

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-30
Value2.917-7.0813.8082.6581.681-2.002-1.1470.252171.355512.2142.2491.863-6.8311.4261.1541.585-15.0671.6922.6630.832.838-0.115-0.0410.638-50.2241.0110.71415431.7270.857-0.259-27.2561.6411.0630.277
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value-0.362-0.243-0.1710.558-0.4570.142-0.4170.8130.00.00.0
Percentage of OtherComprehensiveIncomeLossBeforeTax-12.43.4-6.433.222.856.3-2.460.00.00.00.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.1740.6370.0930.08-0.505-0.387-0.564-0.1340.2110.658-0.055-0.2990.305
Percentage of OtherComprehensiveIncomeLossBeforeTax-6.0-9.03.54.825.2-153.6-3.3-9.99.529.3-3.0-21.026.4

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value0.1831.225-0.329-0.193-0.1430.351-0.3150.519-0.0480.913-0.8210.109-0.582
Percentage of OtherComprehensiveIncomeLossBeforeTax6.3-17.3-12.4-11.57.1139.3-1.838.3-2.240.6-44.17.6-50.4

us-gaap:OtherComprehensiveIncomeLossBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-30
Value0.0770.157-2.812-0.0110.07-0.024-1.3360.609180.66531.9351.6221.626-7.0691.3451.1561.153-13.1621.0151.0161.0143.6291.3961.3951.409-48.3160.8330.46115441.8951.8761.876-26.1571.2841.2841.284
Percentage of OtherComprehensiveIncomeLossBeforeTax2.6-2.2-73.8-0.44.21.2116.5241.7105.648.7104.287.472.187.3103.594.3100.272.787.460.038.2122.2127.9-1213.9-3402.4220.896.282.464.696.2102.1109.7218.9-724.396.078.2120.8463.5

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.3531.619-0.4070.445-1.1050.106-1.2961.1980.1631.571-0.876-0.19-0.277
Percentage of OtherComprehensiveIncomeLossBeforeTax-12.1-22.9-15.326.555.242.1-7.688.47.469.9-47.0-13.3-24.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-30
Value3.193-8.8575.6613.0761.166-0.8730.206-0.4630.339-0.503-0.7690.116-0.9441.113-0.0970.2710.2751.103-3.090.4671.1671.284-0.440.3590.316-1.57-2.985-2.170.1260.589-0.8880.478-0.626-2.754-1.3191.271-0.068-0.754
Percentage of OtherComprehensiveIncomeLossBeforeTax109.5125.1148.7115.769.443.6-18.0-183.72.0-37.1-1.55.2-42.059.71.419.023.869.620.527.643.8154.7-15.5-312.2-770.7-246.15.9-214.617.63.7-2.027.7-73.01063.34.877.5-6.4-272.2

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-30
Value-273000.01245000.0-315000.0347000.0-854000.082000.0-1000000.0927000.0125000.01763000.0-675000.0-120000.0-174000.0-461000.0132000.0302000.0-923000.0-1177000.0-1104000.0503000.01480000.080000.07000.0-428000.0-247000.0403000.0-521000.0-155000.0-182000.01332000.0
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3.003-7.4484.1422.791.602-1.7111.6920.129.9960.964401.3891.541.716
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3.003-7.4482.791.602-1.7110.129.9960.964-1.9231.3891.541.716
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0-4.8100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-282012-06-292012-03-302011-09-30
Value-83000.0-164000.0-29000.0-89000.0-16000.0-501000.0-13953000.0-540000.0-1507000.0-1296000.0-1278000.0-881000.0-759000.0-757000.0-673000.0-675000.0-1575000.0-901000.0-902000.0-902000.0-540000.0-542000.0-9383000.0-1232000.0-1220000.0-1219000.0-835000.0-835000.0-835000.0-343000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-29
Value-0.0860.367-0.334-0.1320.079-0.2910.4570.1323.7560.391110.4660.1340.147130.3940.2940.186-4.2390.420.519-1.1061.338-0.198-0.1550.803-17.2981.161-0.0345.863150.4450.5120.873
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value-0.082-0.055-0.0380.124-0.1020.01-0.0940.1830.00.00.0
Percentage of OtherComprehensiveIncomeLossTax95.3-15.028.8157.035.17.6-2.546.80.00.00.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.040.1470.0220.018-0.116-0.066-0.13-0.0310.0490.151-0.013-0.1110.112
Percentage of OtherComprehensiveIncomeLossTax46.540.1-16.722.839.9-50.0-3.5-7.910.5112.7-8.8-28.238.1

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value0.0420.282-0.076-0.044-0.0330.08-0.0720.119-0.011-0.343-0.1880.041-0.215
Percentage of OtherComprehensiveIncomeLossTax-48.876.857.6-55.711.360.6-1.930.4-2.4-256.0-127.910.4-73.1

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-29
Value-0.006-0.007-0.551-0.04-0.019-0.040.4610.1084.0520.12120.4280.3260.348120.4640.3970.396-4.6770.3420.341-0.5611.4680.4950.4930.507-17.6980.293-0.0815.86150.6630.6570.657
Percentage of OtherComprehensiveIncomeLossTax7.0-1.9165.030.3-24.113.7100.981.8107.930.7102.791.8243.3236.795.1117.8135.0212.9110.381.465.750.7109.7-250.0-318.163.1102.325.2238.299.9100.1149.0128.375.3

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-0.080.374-0.0920.098-0.2510.024-0.2960.2710.038-0.192-0.201-0.07-0.103
Percentage of OtherComprehensiveIncomeLossTax93.0101.969.7124.186.318.2-7.969.38.2-143.3-136.7-17.8-35.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-03
Value2.4642.152.0042.3172.0372.2291.9951.9362.2253.0913.4792.5032.5882.4292.5992.4362.0621.6851.5581.6651.6531.5331.521.6861.833
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012011-04-012010-12-312010-10-01
Value14000.0-140000.07057000.0-3697000.0-7847000.04865000.05559000.0677000.0-1879000.0-924000.0-1343000.0390000.03387000.0-818000.0-4504000.0-236000.0-128000.0-960000.0-9358000.0840000.01618000.0-847000.02404000.0563000.0-1478000.0969000.03398000.03097000.0-290000.0-2821000.0-3142000.0835000.01073000.0833000.02798000.0384000.0673000.0-512000.07637000.02680000.0-5794000.0-20000.0-320000.0-1532000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282012-06-292012-03-302011-07-012011-04-01
Value-4194000.0-4474000.0-4320000.0-2221000.0357000.0-2279000.0-1829000.0-2942000.0-2891000.0-4121000.0-4950000.0-3147000.0-4313000.0-2924000.0-2941000.0-3801000.0-3204000.0-2818000.0-4877000.0-3190000.0-3921000.0-1886000.0-2746000.0-402000.0234000.0139000.0-728000.0-603000.0-249000.0240000.0-22000.0-375000.0-211000.0311000.0
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuringCosts us-gaap:StatementBusinessSegments

us-gaap:OtherRestructuringCosts

mtrn:PerformanceAlloysandComposites


Other
Period End2020-12-312020-09-252020-06-262020-03-27
Value900000.01600000.01500000.01300000.0
Percentage of OtherRestructuringCosts100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-30
Value183000.02838000.09000.0187000.010000.02015000.014000.069000.0785000.03978000.0150000.0241000.0632000.02133000.02109000.095000.0822000.01480000.0221000.041000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Payments
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value183000.02838000.09000.0187000.010000.02015000.014000.069000.0785000.03978000.0150000.0241000.0632000.02133000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-12-312018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-30
Value0.00.00.00.00.00.00.00.098161.750.00.00.00.00.00.00.00.0-0.059-0.0023.955
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.00.00.00.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0

us-gaap:PriorPeriodReclassificationAdjustment

us-gaap:PriorPeriodReclassificationAdjustment


Prior
Period End2020-12-31
Value44
Percentage of PriorPeriodReclassificationAdjustment100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282011-12-312011-09-302010-12-312010-10-01
Value28000.0575000.0-2000.02000.023000.010000.027000.02000.0-43000.058000.0406000.0-1000.024000.03000.02169000.026000.011000.016000.067000.0539000.075000.0752000.015000.025000.018000.006000.075000.003009000.0-1000.0-44000.067000.000021000.00-6000.07000.0
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProceedsFromShortTermDebt


Proceeds
Period End2021-07-022021-04-022020-09-252020-06-26
Value7.54514-30.0150
Percentage of ProceedsFromShortTermDebt100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax


Reclassification
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-28
Value1365000.01341000.0-709000.0-537000.0-701000.0-614000.0-4023000.0-1362000.0-3897000.0-530000.0-41381000.0-1647000.0-1687000.0-2139000.0-2013000.0-1684000.0-1115000.0-892000.0-994000.0-1351000.0-1398000.0-1089000.0-246000.027000.0160000.0442000.0-786000.0-816000.0-504000.0-1311000.0-4924000.0-1503000.0-1472000.0-1637000.0-843000.0-791000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

mtrn:CopperSwap, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-30
Value1507000.01534000.0353000.0-132000.0-321000.0-413000.0-163000.071000.0000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax110.4114.4-65.718.852.330.34.2-13.4-0.0-0.0-0.0

mtrn:PreciousMetalContracts, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value-65000.0104000.0-710000.0-491000.0-318000.0-343000.01000.061000.0119000.0-23000.0-136000.094000.088000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-4.87.8132.270.051.825.2-0.0-11.5-7.21.46.4-5.6-7.9

us-gaap:ForeignExchangeForward, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value0-140000.0-191000.0-8000.01000.03000.046000.0-2000.0169000.0-42000.0-377000.0-433000.0-47000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.0-10.435.61.1-0.2-0.2-1.20.4-10.32.517.625.74.2

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-28
Value-77000.0-157000.091000.011000.0-70000.024000.0-3803000.0-609000.0-3781000.0-660000.0-41770000.0-1935000.0-1622000.0-1626000.0-1210000.0-1345000.0-1156000.0-1153000.0-1003000.0-1015000.0-1016000.0-1014000.0-1394000.0-1396000.0-1395000.0-1395000.0-827000.0-833000.0-461000.0-1209000.0-2040000.0-1895000.0-1877000.0-1876000.0-1505000.0-1284000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-5.6-11.7-12.8-2.010.0-3.994.544.797.0124.5100.9117.596.176.060.179.9103.7129.3100.975.172.793.1566.7-5170.4-871.9-315.6105.2102.191.592.241.4126.1127.5114.6178.5162.3

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-30
Value1442000.01498000.0-548000.0-631000.0-638000.0-753000.0-116000.0130000.0288000.0-65000.0-513000.0-339000.041000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax105.6111.7102.090.0103.955.33.0-24.5-17.53.924.020.1-3.7

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282017-12-312017-09-292016-12-312016-09-30
Value0.0-0.3784.0932.5932.3872.1640.00.7850.00.05.5990.00.1170.6622.5860.0
Percentage of RestructuringCharges0.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.0100.0100.0100.00.0

us-gaap:RestructuringCharges us-gaap:StatementBusinessSegments

mtrn:PerformanceAlloysandComposites


Restructuring
Period End2020-12-312020-09-252020-06-262020-03-272019-09-27
Value2.02.22.42.20.5
Percentage of RestructuringCharges48.984.8100.5101.763.7

mtrn:PrecisionOptics


Restructuring
Period End2021-07-022021-04-02
Value-0.80.4
Percentage of RestructuringCharges0.0-105.8

us-gaap:SeveranceCosts1 us-gaap:StatementBusinessSegments

us-gaap:SeveranceCosts1

mtrn:PerformanceAlloysandComposites


Severance
Period End2020-12-312020-09-252020-06-262020-03-27
Value300000.0400000.0900000.0500000.0
Percentage of SeveranceCosts1100.0100.0100.0100.0

mtrn:PrecisionCoatings


Severance
Period End2020-09-25
Value400000.0
Percentage of SeveranceCosts1100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-31
Value083.7800057.6500069.8412.090050.350
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-07-022021-04-022018-03-30
Value-0.0568.4950.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.081.7100.0

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-04-032014-06-27
Value020.6600013.6700017.7600015.7300010.890008.07013.2712.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.024.70.00.00.023.70.00.00.025.40.00.00.031.20.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, mtrn:StockIncentivePlanDomain


Share
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-28
Value1.830.38-0.1949.530.030058.300
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.085.90.00.00.083.50.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-31
Value00.70
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate0.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-31
Value037.60
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:StockAppreciationRightsSARS


Share
Period End2021-07-022021-04-022020-12-31
Value00.570
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

mtrn:CommonShares


Shares
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-2000.0-43000.00-3000.00-36000.00-2000.0-12000.0-75000.0-2000.0-5000.0-11000.0-42000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

mtrn:CommonSharesHeldInTreasury


Shares
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-2000.0-43000.078000.0-3000.00-36000.0178000.0-2000.0-12000.0-75000.0118000.0-5000.0-11000.0-42000.0
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.00.0100.00.0100.00.0100.0100.0100.0-5900.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

mtrn:CommonShares


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value25000.0127000.007000.011000.099000.005000.055000.0192000.010000.011000.055000.0126000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

mtrn:CommonSharesHeldInTreasury


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value25000.0127000.0-234000.07000.011000.099000.0-504000.05000.055000.0192000.0-396000.012000.055000.0126000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.00.0100.0100.0100.00.0100.0100.0100.0-3960.0109.1100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value2.0391.4731.5390.0232.4731.5841.941.6891.9941.547-1.6241.6181.3930.771
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value3.2156.2591.5950.2352.7754.2621.9941.8364.2876.7591.8372.0743.024.2
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation157.7424.9103.61021.7112.2269.1102.8108.7215.0436.9-113.1128.2216.8544.7

us-gaap:RetainedEarnings


Stock
Period End2021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-0.019-0.0420.019-0.043-0.035-0.028-0.021-0.027-0.035-0.021-0.014-0.0140.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-1.3-2.782.6-1.7-2.2-1.4-1.2-1.4-2.31.3-0.9-1.00.0

us-gaap:TreasuryStock


Stock
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-30
Value-1.144-4.767-0.014-0.231-0.259-2.643-0.026-0.126-2.266-5.177-3.44-0.442-1.613-3.429
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-56.1-323.6-0.9-1004.3-10.5-166.9-1.3-7.5-113.6-334.6211.8-27.3-115.8-444.7

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

mtrn:CommonShares


Stock
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value-316000.00316000.0-158000.00005000.0
Percentage of StockRepurchasedDuringPeriodShares100.00.0100.0100.00.00.00.0100.0

mtrn:CommonSharesHeldInTreasury


Stock
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value00316000.0-158000.00005000.0
Percentage of StockRepurchasedDuringPeriodShares-0.00.0100.0100.00.00.00.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.00.00.06.7660.00.00.00.199
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.00.00.00.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-29
Value0.00.00.06.7660.00.00.00.199
Percentage of TreasuryStockValueAcquiredCostMethod0.00.00.0100.00.00.00.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-07-022021-04-022020-09-252020-06-262020-03-272019-09-272019-06-282019-03-292018-09-282018-06-292018-03-302017-09-292017-06-302017-03-312016-09-302016-07-012016-04-012015-10-022015-07-032015-04-03
Value222000.0254000.0267000.0237000.00276000.0283000.0339000.0407000.0372000.0439000.0371000.0335000.0406000.0235000.0199000.0210000.0296000.0346000.0345000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-022021-04-022021-01-292020-09-25
Value20202020
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedIncomeTaxes us-gaap:BusinessAcquisition

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedIncomeTaxes

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value61000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccruedIncomeTaxes100.0

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesEmployeeRelatedLiabilities us-gaap:BusinessAcquisition

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesEmployeeRelatedLiabilities

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value4392000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesEmployeeRelatedLiabilities100.0

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesUnearnedRevenue us-gaap:BusinessAcquisition

mtrn:BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesUnearnedRevenue

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value1259000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesUnearnedRevenue100.0

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities us-gaap:BusinessAcquisition

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value12
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities100.0

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLongTermIncomeTaxes us-gaap:BusinessAcquisition

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLongTermIncomeTaxes

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value181000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLongTermIncomeTaxes100.0

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRetirementPostEmploymentBenefits us-gaap:BusinessAcquisition

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRetirementPostEmploymentBenefits

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value6586000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRetirementPostEmploymentBenefits100.0

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnearnedIncome us-gaap:BusinessAcquisition

mtrn:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnearnedIncome

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value1835000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedUnearnedIncome100.0

mtrn:DeferredTaxAssetsLeaseObligations

mtrn:DeferredTaxAssetsLeaseObligations


Deferred
Period End2020-12-312019-12-312018-12-31
Value104.6140.0
Percentage of DeferredTaxAssetsLeaseObligations100.0100.00.0

mtrn:DeferredTaxLiabilitiesDeferredExpenseMineDevelopment

mtrn:DeferredTaxLiabilitiesDeferredExpenseMineDevelopment


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
Value1669000.03706000.05123000.03621000.06683000.06457000.0571000.02309000.02832000.0-782000.0-3358000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseMineDevelopment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:DeferredTaxLiabilitiesLeaseObligations

mtrn:DeferredTaxLiabilitiesLeaseObligations


Deferred
Period End2020-12-312019-12-312018-12-31
Value104.4280.0
Percentage of DeferredTaxLiabilitiesLeaseObligations100.0100.00.0

mtrn:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments

mtrn:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value775694178175165
Percentage of DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments100.0100.0100.0100.0100.0100.0

mtrn:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value775694161146131
Percentage of DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueInvestments100.0100.0100.090.583.779.5

mtrn:FinanceLeaseLiabilityPaymentsDueAfterYearFour

mtrn:FinanceLeaseLiabilityPaymentsDueAfterYearFour


Finance
Period End2020-09-25
Value22
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFour100.0

mtrn:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

mtrn:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2020-09-25
Value58
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0

mtrn:OperatingLossCarryforwardsSubjectToExpiration us-gaap:IncomeTaxAuthority

mtrn:OperatingLossCarryforwardsSubjectToExpiration

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value7.16.58.08.69.65.96.310119.5
Percentage of OperatingLossCarryforwardsSubjectToExpiration100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value20212121191919231812
Percentage of OperatingLossCarryforwardsSubjectToExpiration288.7332.3273.8252.3207.3330.5311.1224.8155.1128.4

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableIntrinsicValue1 us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableIntrinsicValue1

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value3368.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableIntrinsicValue1100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value148000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableNumber100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value41.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsExercisableWeightedAverageExercisePrice100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingIntrinsicValue us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingIntrinsicValue

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value4454.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingIntrinsicValue100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value46.1844.9533.0130.9729.5830.1828.3226.3424.823.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value4454.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value254000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingNumber100.0

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

mtrn:ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:StockAppreciationRightsSARS


Share
Period End2020-12-31
Value46.18
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

mtrn:UnrepatriatedEarnings

mtrn:UnrepatriatedEarnings


Unrepatriated
Period End2020-12-31
Value98
Percentage of UnrepatriatedEarnings100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282011-12-312010-12-312009-12-31
Value5200000.05400000.05476000.05900000.06000000.05800000.05937000.06100000.06200000.06400000.06521000.06500000.06400000.06400000.06499000.06100000.06200000.06200000.06041000.06000000.06100000.05700000.05714000.05000000.04900000.05000000.04922000.04800000.04800000.04800000.04809000.05000000.05200000.05300000.05301000.05400000.0-5312000.0-5201000.0-5592000.0
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesCurrent

us-gaap:AccruedEnvironmentalLossContingenciesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value845000.0982000.01168000.0987000.0874000.0620000.0
Percentage of AccruedEnvironmentalLossContingenciesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4631000.04955000.05353000.05512000.05167000.05094000.04462000.04379000.04398000.0-4312000.0-4494000.0
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedIncomeTaxesNoncurrent


Accrued
Period End2020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value2689000.03365000.03508000.03480000.03451000.03121000.03093000.03067000.02993000.03064000.04896000.04867000.04857000.01593000.01994000.01994000.02100000.01179000.01293000.01293000.01293000.01750000.01750000.01750000.01750000.01576000.01576000.01576000.01576000.01510000.01510000.01510000.01510000.01385000.01793000.01793000.01793000.02905000.02905000.02906000.0
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedSalariesCurrent


Accrued
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312014-12-312013-12-312012-12-312011-12-312011-07-012010-12-31
Value2722182424184140362447383223423028192923211527352827292234
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:RetirementPlanType

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:OtherPensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value484865122121112121
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value-7.525-9.578-8.976-8.02-9.961-11.267-12.261
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax-15.5-19.9-13.7-6.5-8.2-10.0-10.1

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312020-09-252020-06-262019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value500000.0700000.0700000.0392000.0616000.0640000.0857000.01197000.01578000.01421000.01403000.01490000.01452000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1765000.01400000.01256000.01167000.01084000.0610000.0565000.0
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-28
Value4616000.05069000.04668000.03174000.04982000.02894000.03675000.03657000.03249000.03795000.02639000.01763000.01750000.01739000.02986000.03430000.05122000.04676000.02760000.0364000.0704000.0711000.01070000.01723000.01012000.0
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefits, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value3802000.03391000.02156000.02310000.0
Percentage of AssetsFairValueDisclosure81.492.381.70.0

us-gaap:ForwardContracts, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value107000.0188000.0246000.0254000.0
Percentage of AssetsFairValueDisclosure2.35.19.30.0

us-gaap:Swap, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value127000.035000.0237000.014000.0
Percentage of AssetsFairValueDisclosure2.71.09.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-28
Value3881000.03802000.03802000.02985000.02625000.02719000.03391000.03151000.03121000.02915000.02156000.01699000.01574000.01739000.02503000.02407000.02578000.0401000.0381000.0328000.0540000.0509000.0494000.0754000.0714000.0
Percentage of AssetsFairValueDisclosure84.175.081.494.052.794.092.386.296.176.881.796.489.9100.083.870.250.38.613.890.176.771.646.243.870.6

us-gaap:FairValueInputsLevel2


Assets
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-09-262014-06-272014-03-282013-09-272013-06-282013-03-292012-09-28
Value735000.01267000.0866000.0189000.02357000.0175000.0284000.0506000.0128000.0880000.0483000.064000.0176000.00483000.01023000.02544000.04275000.02379000.036000.0164000.0202000.0576000.0969000.0298000.0
Percentage of AssetsFairValueDisclosure15.925.018.66.047.36.07.713.83.923.218.33.610.10.016.229.849.791.486.29.923.328.453.856.229.4

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:DeferredCompensationExcludingShareBasedPaymentsAndRetirementBenefits, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value3802000.03391000.02156000.02310000.0
Percentage of AssetsFairValueDisclosure81.492.381.70.0

us-gaap:FairValueInputsLevel2, mtrn:CopperSwap, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-31
Value632000.061000.0
Percentage of AssetsFairValueDisclosure13.51.7

us-gaap:FairValueInputsLevel2, us-gaap:ForwardContracts, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value107000.0188000.0246000.0254000.0
Percentage of AssetsFairValueDisclosure2.35.19.30.0

us-gaap:FairValueInputsLevel2, us-gaap:Swap, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value127000.035000.0237000.014000.0
Percentage of AssetsFairValueDisclosure2.71.09.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312012-06-292012-03-302011-12-31
Value3802000.03391000.02156000.02400000.02420000.02518000.02310000.02149000.02075000.01957000.01734000.02503000.0396000.0535000.01742000.0682000.0636000.0635000.0
Percentage of AssetsFairValueDisclosure81.492.381.70.00.00.00.00.00.00.00.083.80.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312012-06-292012-03-302011-12-31
Value866000.0284000.0483000.0881000.01164000.025000.0268000.0194000.0263000.0271000.0691000.0483000.03456000.0303000.0847000.01591000.01197000.02128000.0
Percentage of AssetsFairValueDisclosure18.67.718.30.00.00.00.00.00.00.00.016.20.00.00.00.00.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

mtrn:CopperSwap, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-31
Value632000.061000.0
Percentage of AssetsFairValueDisclosure13.51.7

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2020-12-312019-12-312018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312012-06-292012-03-302011-12-31
Value4668000.03675000.02639000.03281000.03584000.02543000.02578000.02343000.02338000.02228000.02425000.02986000.03852000.0838000.02589000.02273000.01833000.02763000.0
Percentage of AssetsFairValueDisclosure100.0100.0100.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value205
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value2574000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value5390000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value937000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value8594000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value2851000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value600000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value4178000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value10
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value48
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

mtrn:OpticsBalzers, us-gaap:CustomerRelationships


Business
Period End2020-07-17
Value39
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles80.9

mtrn:OpticsBalzers, us-gaap:License


Business
Period End2020-07-17
Value5.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles10.5

mtrn:OpticsBalzers, us-gaap:TechnologyBasedIntangibleAssets


Business
Period End2020-07-17
Value4.2
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles8.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value10
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value69
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt


Business
Period End2020-07-17
Value22
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt us-gaap:BusinessAcquisition

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value21
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt97.6

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value207000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value46
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest

mtrn:OpticsBalzers


Business
Period End2020-07-17
Value136
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest100.0

us-gaap:CapitalizedComputerSoftwareNet

us-gaap:CapitalizedComputerSoftwareNet


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5000000.07900000.08000000.08300000.09800000.09500000.06100000.07000000.08500000.0
Percentage of CapitalizedComputerSoftwareNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetGrossCurrent us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerAssetGrossCurrent

us-gaap:TradeAccountsReceivable


Contract
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302018-01-01
Value169166156142141129141149132138124126128130122
Percentage of ContractWithCustomerAssetGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent us-gaap:BalanceSheetLocation

us-gaap:ContractWithCustomerAssetNetCurrent

mtrn:UnbilledReceivables


Contract
Period End2020-12-312019-12-31
Value8.83213
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0

us-gaap:TradeAccountsReceivable


Contract
Period End2020-12-312019-12-31
Value156141
Percentage of ContractWithCustomerAssetNetCurrent1775.61039.3

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-312020-09-252019-12-312018-12-312017-12-312016-12-312015-12-31
Value366.3741.352.2183.0413.8824.615
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentFaceAmount


Debt
Period End2020-12-31
Value8000000.0
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2021-07-022021-04-022020-12-312020-09-252019-12-31
Value5952388.592.218
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredFinanceCostsNet

mtrn:DeferredFinancingCosts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2000000.02700000.01300000.02200000.02800000.02400000.0
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncome

us-gaap:DeferredIncome


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-03-27
Value6664584511
Percentage of DeferredIncome100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-31
Value1909000.01932000.03134000.05156000.01669000.01648000.01666000.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value382119
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0

us-gaap:DeferredRevenue us-gaap:BalanceSheetLocation

us-gaap:DeferredRevenue

mtrn:UnearnedRevenue


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302018-01-01
Value108.5737.7134.363.0032.3173.385.1885.8295.1945.9187.8057.5765.4175.451
Percentage of DeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-312015-10-022015-07-032015-04-032014-12-312014-09-262014-06-272014-03-282013-12-312013-09-272013-06-282013-03-292012-12-312012-09-282012-06-292012-03-302011-12-312011-09-302011-07-012010-12-31
Value108.5737.7134.363.0032.3173.385.1885.8295.1945.9187.8057.5765.4175.4515.8592.7972.2311.1051.1522.9533.4423.6954.1054.597104.8791.2392.1161.9410.4790.4610.4661.5751.5431.7171.5582.2523.0332.0052.8352.378
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueNoncurrent

us-gaap:DeferredRevenueNoncurrent


Deferred
Period End2021-07-022021-04-022020-12-312020-09-252020-06-262020-03-272019-12-312019-09-272019-06-282019-03-292018-12-312018-09-282018-06-292018-03-302017-12-312017-09-292017-06-302017-03-312016-12-312016-09-302016-07-012016-04-012015-12-31
Value9592867257393229303132333435363739404142434445
Percentage of DeferredRevenueNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value3938405068566046645545
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1213126.3745.6074.1485.7145.5885.1865.1993.044
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value26000.025000.0700000.02466000.0627000.0700000.00
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2683000.05364000.06215000.02852000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3.3223.3143.5395.0541010
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


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
Value7.4565.1498.105142321249.867272115
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


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
Value1.5641.6262.1982.7874.8085.0945.54310121110
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther


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
Value0.2260.5430.6934.2239.33318171312119.848
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


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
Value1301000.01384000.01463000.01452000.02231000.02068000.01808000.01789000.01958000.01932000.01886000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts


Deferred
Period End2020-12-312019-12-31
Value3532000.07954000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts100.0100.0

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
Value102.4263.6352.95.0736.4537.0017.3717.939-8.016-8.601
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value121010101314161819-21.133-23.97
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value243185161302265
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value484865122121
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-7.525-9.578-8.975-8.02-9.961
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax-15.5-19.9-13.7-6.5-8.2

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value13111.9481.7971.148
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2.140.03120.04070.03530.04020.0427
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2.450.0320.04110.03430.03680.0388
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate114.5102.6101.097.291.590.9

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease


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
Value3.00.040.040.040.040.040.040.0450.0450.040.030.02
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease us-gaap:RetirementPlanType

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2.220.030.03870.03930.04040.0405
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease74.075.096.798.2101.0101.2

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3.00.030.040.040.040.04
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.075.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:OtherPensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value246186170313276259
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value8.198.68111141415
Percentage of DefinedBenefitPlanBenefitObligation3.34.66.74.55.25.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value2.12
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.142.5444.1554.953
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.90.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value54424483
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter2552.60.00.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value0.853
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.8671.0121.2581.412
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths101.60.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.9873.7523.20313
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths584.60.00.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value0.596
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.6030.7221.1921.257
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive101.20.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.9246.416.29315
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive1497.30.00.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value0.659
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.6670.8041.2031.426
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour101.20.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value8.6896.2316.05113
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour1318.50.00.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value0.736
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.7460.8841.3341.507
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree101.40.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.4014.7994.45713
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree1005.60.00.00.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

mtrn:OtherPostretirementBenefitsPlanNetOfMedicareSubsidy


Defined
Period End2020-12-31
Value0.8
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.8120.9791.3671.478
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo101.50.00.00.0

us-gaap:PensionPlansDefinedBenefit