000006788710/022021FYFALSE1.001.00100,000,000100,000,00043,803,23643,799,22929,220,36729,414,08320,000,00020,000,0007,476,4777,480,4842,870,3722,751,89451,28051,28051,280425,148425,148425,148111http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitieshttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitieshttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitieshttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrenthttp://fasb.org/us-gaap/2021-01-31#OtherLiabilities3025404560457065515051045486,6153827264128260. years9,91473.6945,83486.56three yearsthree yearstwo yearstwo years00000678872020-10-042021-10-020000067887us-gaap:CommonClassAMember2020-10-042021-10-020000067887us-gaap:CommonClassBMember2020-10-042021-10-02iso4217:USD00000678872021-04-02xbrli:shares0000067887us-gaap:CommonClassAMember2021-11-080000067887us-gaap:CommonClassBMember2021-11-0800000678872019-09-292020-10-0300000678872018-09-302019-09-28iso4217:USDxbrli:shares00000678872021-10-0200000678872020-10-030000067887us-gaap:CommonClassAMember2021-10-020000067887us-gaap:CommonClassAMember2020-10-030000067887us-gaap:CommonClassBMember2021-10-020000067887us-gaap:CommonClassBMember2020-10-030000067887us-gaap:TrustForBenefitOfEmployeesMember2021-10-020000067887us-gaap:TrustForBenefitOfEmployeesMember2020-10-030000067887mog:SupplementalRetirementPlanTrustMember2021-10-020000067887mog:SupplementalRetirementPlanTrustMember2020-10-030000067887us-gaap:CommonStockMember2021-10-020000067887us-gaap:CommonStockMember2020-10-030000067887us-gaap:CommonStockMember2019-09-280000067887us-gaap:AdditionalPaidInCapitalMember2020-10-030000067887us-gaap:AdditionalPaidInCapitalMember2019-09-280000067887us-gaap:AdditionalPaidInCapitalMember2018-09-290000067887us-gaap:AdditionalPaidInCapitalMember2020-10-042021-10-020000067887us-gaap:AdditionalPaidInCapitalMember2019-09-292020-10-030000067887us-gaap:AdditionalPaidInCapitalMember2018-09-302019-09-280000067887us-gaap:AdditionalPaidInCapitalMember2021-10-020000067887us-gaap:RetainedEarningsMember2020-10-030000067887us-gaap:RetainedEarningsMember2019-09-280000067887us-gaap:RetainedEarningsMember2018-09-290000067887us-gaap:RetainedEarningsMember2020-10-042021-10-020000067887us-gaap:RetainedEarningsMember2019-09-292020-10-030000067887us-gaap:RetainedEarningsMember2018-09-302019-09-280000067887us-gaap:AccountingStandardsUpdate201409Memberus-gaap:RetainedEarningsMember2020-10-042021-10-020000067887us-gaap:AccountingStandardsUpdate201409Memberus-gaap:RetainedEarningsMember2019-09-292020-10-030000067887us-gaap:AccountingStandardsUpdate201409Memberus-gaap:RetainedEarningsMember2018-09-302019-09-280000067887us-gaap:RetainedEarningsMember2021-10-020000067887us-gaap:TreasuryStockMember2020-10-030000067887us-gaap:TreasuryStockMember2019-09-280000067887us-gaap:TreasuryStockMember2018-09-290000067887us-gaap:TreasuryStockMember2020-10-042021-10-020000067887us-gaap:TreasuryStockMember2019-09-292020-10-030000067887us-gaap:TreasuryStockMember2018-09-302019-09-280000067887us-gaap:TreasuryStockMember2021-10-020000067887us-gaap:TrustForBenefitOfEmployeesMember2019-09-280000067887us-gaap:TrustForBenefitOfEmployeesMember2018-09-290000067887us-gaap:TrustForBenefitOfEmployeesMember2020-10-042021-10-020000067887us-gaap:TrustForBenefitOfEmployeesMember2019-09-292020-10-030000067887us-gaap:TrustForBenefitOfEmployeesMember2018-09-302019-09-280000067887mog:SupplementalRetirementPlanTrustMember2019-09-280000067887mog:SupplementalRetirementPlanTrustMember2018-09-290000067887mog:SupplementalRetirementPlanTrustMember2020-10-042021-10-020000067887mog:SupplementalRetirementPlanTrustMember2019-09-292020-10-030000067887mog:SupplementalRetirementPlanTrustMember2018-09-302019-09-280000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-10-030000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-09-280000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-09-290000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-10-042021-10-020000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-09-292020-10-030000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-09-302019-09-280000067887us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-10-0200000678872019-09-280000067887us-gaap:CommonClassAMember2019-09-280000067887us-gaap:CommonClassAMember2018-09-290000067887us-gaap:CommonClassAMember2019-09-292020-10-030000067887us-gaap:CommonClassAMember2018-09-302019-09-280000067887us-gaap:CommonClassBMember2019-09-280000067887us-gaap:CommonClassBMember2018-09-290000067887us-gaap:CommonClassBMember2019-09-292020-10-030000067887us-gaap:CommonClassBMember2018-09-302019-09-280000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2020-10-030000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2019-09-280000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2018-09-290000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2020-10-042021-10-020000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2019-09-292020-10-030000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2018-09-302019-09-280000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassAMember2021-10-020000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2020-10-030000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2019-09-280000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2018-09-290000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2020-10-042021-10-020000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2019-09-292020-10-030000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2018-09-302019-09-280000067887us-gaap:TreasuryStockMemberus-gaap:CommonClassBMember2021-10-020000067887us-gaap:CommonClassAMemberus-gaap:TrustForBenefitOfEmployeesMember2021-10-020000067887us-gaap:CommonClassAMemberus-gaap:TrustForBenefitOfEmployeesMember2020-10-030000067887us-gaap:CommonClassAMemberus-gaap:TrustForBenefitOfEmployeesMember2019-09-280000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2020-10-030000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2019-09-280000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2018-09-290000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2020-10-042021-10-020000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2019-09-292020-10-030000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2018-09-302019-09-280000067887us-gaap:TrustForBenefitOfEmployeesMemberus-gaap:CommonClassBMember2021-10-020000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2020-10-030000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2019-09-280000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2018-09-290000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2020-10-042021-10-020000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2019-09-292020-10-030000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2018-09-302019-09-280000067887mog:SupplementalRetirementPlanTrustMemberus-gaap:CommonClassBMember2021-10-020000067887us-gaap:CommonStockMember2018-09-290000067887us-gaap:CommonClassAMemberus-gaap:TrustForBenefitOfEmployeesMember2018-09-2900000678872018-09-290000067887us-gaap:StockAppreciationRightsSARSMember2020-10-042021-10-020000067887us-gaap:PerformanceSharesMember2020-10-042021-10-020000067887srt:MinimumMemberus-gaap:BuildingAndBuildingImprovementsMember2020-10-042021-10-020000067887srt:MaximumMemberus-gaap:BuildingAndBuildingImprovementsMember2020-10-042021-10-020000067887srt:MinimumMemberus-gaap:MachineryAndEquipmentMember2020-10-042021-10-020000067887us-gaap:MachineryAndEquipmentMembersrt:MaximumMember2020-10-042021-10-020000067887srt:MinimumMembermog:ComputerEquipmentandSoftwareMember2020-10-042021-10-020000067887mog:ComputerEquipmentandSoftwareMembersrt:MaximumMember2020-10-042021-10-020000067887srt:MinimumMember2020-10-042021-10-020000067887srt:MaximumMember2020-10-042021-10-02xbrli:pure00000678872022-10-012021-10-020000067887mog:AircraftControlsMembermog:GenesysAerosystemsGroupIncMember2020-12-182020-12-180000067887mog:IndustrialSystemsMembermog:GATInc.Member2019-11-282019-11-280000067887mog:IndustrialSystemsMember2021-07-042021-10-020000067887mog:IndustrialSystemsMemberus-gaap:OtherIncomeMember2021-07-042021-10-0200000678872021-06-292021-06-290000067887mog:AircraftControlsMember2020-10-042021-01-020000067887mog:AircraftControlsMemberus-gaap:OtherIncomeMember2020-10-042021-01-020000067887mog:IndustrialSystemsMember2019-09-292019-12-280000067887mog:IndustrialSystemsMemberus-gaap:OtherIncomeMember2019-09-292019-12-280000067887country:US2021-10-020000067887country:US2020-10-030000067887country:USus-gaap:GovernmentSectorMember2021-10-020000067887country:USus-gaap:GovernmentSectorMember2020-10-030000067887mog:BoeingMember2021-10-020000067887mog:BoeingMember2020-10-030000067887mog:LockheedMartinMember2021-10-020000067887mog:LockheedMartinMember2020-10-030000067887us-gaap:PropertyPlantAndEquipmentMember2021-10-020000067887us-gaap:PropertyPlantAndEquipmentMember2020-10-030000067887mog:AircraftControlsMember2018-09-290000067887mog:SpaceAndDefenseControlsMember2018-09-290000067887mog:IndustrialSystemsMember2018-09-290000067887mog:AircraftControlsMember2018-09-302019-09-280000067887mog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:IndustrialSystemsMember2018-09-302019-09-280000067887mog:AircraftControlsMember2019-09-280000067887mog:SpaceAndDefenseControlsMember2019-09-280000067887mog:IndustrialSystemsMember2019-09-280000067887mog:AircraftControlsMember2019-09-292020-10-030000067887mog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887mog:IndustrialSystemsMember2019-09-292020-10-030000067887mog:AircraftControlsMember2020-10-030000067887mog:SpaceAndDefenseControlsMember2020-10-030000067887mog:IndustrialSystemsMember2020-10-030000067887mog:AircraftControlsMember2020-10-042021-10-020000067887mog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887mog:IndustrialSystemsMember2020-10-042021-10-020000067887mog:AircraftControlsMember2021-10-020000067887mog:SpaceAndDefenseControlsMember2021-10-020000067887mog:IndustrialSystemsMember2021-10-020000067887us-gaap:CustomerRelatedIntangibleAssetsMember2020-10-042021-10-020000067887us-gaap:CustomerRelatedIntangibleAssetsMember2021-10-020000067887us-gaap:CustomerRelatedIntangibleAssetsMember2020-10-030000067887us-gaap:TechnologyBasedIntangibleAssetsMember2020-10-042021-10-020000067887us-gaap:TechnologyBasedIntangibleAssetsMember2021-10-020000067887us-gaap:TechnologyBasedIntangibleAssetsMember2020-10-030000067887us-gaap:CustomerContractsMember2020-10-042021-10-020000067887us-gaap:CustomerContractsMember2021-10-020000067887us-gaap:CustomerContractsMember2020-10-030000067887us-gaap:MarketingRelatedIntangibleAssetsMember2020-10-042021-10-020000067887us-gaap:MarketingRelatedIntangibleAssetsMember2021-10-020000067887us-gaap:MarketingRelatedIntangibleAssetsMember2020-10-030000067887us-gaap:OtherIntangibleAssetsMember2020-10-042021-10-020000067887us-gaap:OtherIntangibleAssetsMember2021-10-020000067887us-gaap:OtherIntangibleAssetsMember2020-10-030000067887us-gaap:RevolvingCreditFacilityMember2021-10-020000067887us-gaap:RevolvingCreditFacilityMember2020-10-030000067887mog:SECTRevolvingCreditFacilityMember2021-10-020000067887mog:SECTRevolvingCreditFacilityMember2020-10-030000067887us-gaap:LineOfCreditMemberus-gaap:RevolvingCreditFacilityMember2019-10-150000067887us-gaap:LineOfCreditMemberus-gaap:RevolvingCreditFacilityMember2019-10-152019-10-150000067887us-gaap:LineOfCreditMemberus-gaap:RevolvingCreditFacilityMember2021-10-020000067887us-gaap:LineOfCreditMemberus-gaap:RevolvingCreditFacilityMember2020-10-042021-10-020000067887mog:SECTRevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2021-07-150000067887mog:SECTRevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2021-07-152021-07-150000067887us-gaap:SeniorNotesMembermog:Seniornotes4.25Member2019-12-130000067887us-gaap:SeniorNotesMembermog:Seniornotes4.25Member2019-12-132019-12-130000067887us-gaap:SeniorNotesMembermog:Seniornotes5.25Member2020-01-130000067887us-gaap:SeniorNotesMembermog:Seniornotes5.25Member2020-01-132020-01-130000067887us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember2019-10-160000067887us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember2020-10-042021-10-020000067887us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember2019-10-162019-10-160000067887us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember2021-10-020000067887us-gaap:SeniorDebtObligationsMember2021-10-020000067887us-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:NetInvestmentHedgingMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:DesignatedAsHedgingInstrumentMemberus-gaap:InterestRateSwapMember2021-10-020000067887us-gaap:NondesignatedMemberus-gaap:ForeignExchangeContractMember2021-10-020000067887us-gaap:OtherOperatingIncomeExpenseMemberus-gaap:ForeignExchangeContractMember2020-10-042021-10-020000067887us-gaap:OtherOperatingIncomeExpenseMemberus-gaap:ForeignExchangeContractMember2019-09-292020-10-030000067887us-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:OtherAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:OtherAssetsMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:AssetsTotalMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:AssetsTotalMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:LiabilitiesTotalMemberus-gaap:DesignatedAsHedgingInstrumentMember2021-10-020000067887us-gaap:LiabilitiesTotalMemberus-gaap:DesignatedAsHedgingInstrumentMember2020-10-030000067887us-gaap:NondesignatedMemberus-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMember2021-10-020000067887us-gaap:NondesignatedMemberus-gaap:OtherCurrentAssetsMemberus-gaap:ForeignExchangeContractMember2020-10-030000067887us-gaap:NondesignatedMemberus-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMember2021-10-020000067887us-gaap:NondesignatedMemberus-gaap:OtherCurrentLiabilitiesMemberus-gaap:ForeignExchangeContractMember2020-10-030000067887us-gaap:OtherCurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:OtherCurrentAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:OtherAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:OtherAssetsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:AssetsTotalMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:AssetsTotalMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:OtherCurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:OtherCurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:OtherNoncurrentLiabilitiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:LiabilitiesTotalMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:LiabilitiesTotalMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2020-10-030000067887us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel2Member2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-10-042021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-09-292020-10-030000067887mog:A2020PlanMemberus-gaap:EmployeeSeveranceMember2019-09-292020-10-030000067887us-gaap:CorporateMember2018-09-290000067887us-gaap:CorporateMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:A2016PlanMember2018-09-302019-09-280000067887mog:SpaceAndDefenseControlsMembermog:A2016PlanMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:A2016PlanMember2018-09-302019-09-280000067887us-gaap:CorporateMembermog:A2016PlanMember2018-09-302019-09-280000067887mog:A2016PlanMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:A2018PlanMember2018-09-302019-09-280000067887mog:A2018PlanMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:A2018PlanMember2018-09-302019-09-280000067887us-gaap:CorporateMembermog:A2018PlanMember2018-09-302019-09-280000067887mog:A2018PlanMember2018-09-302019-09-280000067887us-gaap:CorporateMember2019-09-280000067887mog:AircraftControlsMembermog:A2020PlanMember2019-09-292020-10-030000067887mog:A2020PlanMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:A2020PlanMember2019-09-292020-10-030000067887mog:A2020PlanMemberus-gaap:CorporateMember2019-09-292020-10-030000067887mog:A2020PlanMember2019-09-292020-10-030000067887us-gaap:CorporateMember2019-09-292020-10-030000067887mog:AircraftControlsMembermog:A2018PlanMember2019-09-292020-10-030000067887mog:A2018PlanMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:A2018PlanMember2019-09-292020-10-030000067887us-gaap:CorporateMembermog:A2018PlanMember2019-09-292020-10-030000067887mog:A2018PlanMember2019-09-292020-10-030000067887us-gaap:CorporateMember2020-10-030000067887us-gaap:CorporateMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:A2018PlanMember2020-10-042021-10-020000067887mog:A2018PlanMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:A2018PlanMember2020-10-042021-10-020000067887us-gaap:CorporateMembermog:A2018PlanMember2020-10-042021-10-020000067887mog:A2018PlanMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:A2020PlanMember2020-10-042021-10-020000067887mog:A2020PlanMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:A2020PlanMember2020-10-042021-10-020000067887mog:A2020PlanMemberus-gaap:CorporateMember2020-10-042021-10-020000067887mog:A2020PlanMember2020-10-042021-10-020000067887us-gaap:CorporateMember2021-10-020000067887mog:A2020PlanMember2021-10-020000067887mog:A2018PlanMember2021-10-020000067887us-gaap:RetirementPlanNameOtherMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887country:USus-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887country:USus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:PensionPlansDefinedBenefitMember2019-09-280000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-09-280000067887country:USus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887country:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:PensionPlansDefinedBenefitMember2018-09-302019-09-280000067887us-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2018-09-302019-09-280000067887us-gaap:EquitySecuritiesMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FixedIncomeSecuritiesMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FixedIncomeSecuritiesMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:OtherMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:OtherMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:OtherMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:OtherMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:EquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887country:USus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2021-10-020000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:EquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887country:USus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueInputsLevel12And3Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887country:USus-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:EquityFundsMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquityFundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMemberus-gaap:FixedIncomeFundsMember2020-10-030000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887mog:UnitlinkedlifeinsurancefundsMemberus-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:MoneyMarketFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMemberus-gaap:CashAndCashEquivalentsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel12And3Memberus-gaap:ForeignPlanMembermog:InsuranceContractsAndOtherMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel1Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:ForeignPlanMemberus-gaap:FairValueInputsLevel2Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMember2019-09-280000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-09-280000067887us-gaap:FairValueInputsLevel3Memberus-gaap:PensionPlansDefinedBenefitMember2019-09-280000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887us-gaap:FairValueInputsLevel3Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:FairValueInputsLevel3Membercountry:USus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:FairValueInputsLevel3Memberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PrivateEquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PrivateEquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:PrivateEquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:FairValueMeasuredAtNetAssetValuePerShareMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-030000067887us-gaap:SupplementalEmployeeRetirementPlanDefinedBenefitMember2021-10-020000067887country:US2020-10-042021-10-020000067887country:US2019-09-292020-10-030000067887country:US2018-09-302019-09-280000067887us-gaap:ForeignPlanMember2020-10-042021-10-020000067887us-gaap:ForeignPlanMember2019-09-292020-10-030000067887us-gaap:ForeignPlanMember2018-09-302019-09-280000067887us-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:PensionPlansDefinedBenefitMember2019-09-292020-10-030000067887us-gaap:PensionPlansDefinedBenefitMember2018-09-302019-09-280000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2021-10-020000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2020-10-030000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-09-280000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2020-10-042021-10-020000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2019-09-292020-10-030000067887us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember2018-09-302019-09-280000067887srt:MinimumMemberus-gaap:EquitySecuritiesMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMemberus-gaap:EquitySecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMembersrt:MaximumMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMembercountry:USus-gaap:FixedIncomeSecuritiesMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MaximumMembercountry:USus-gaap:FixedIncomeSecuritiesMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MaximumMemberus-gaap:FixedIncomeSecuritiesMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMembermog:OtherMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMembermog:OtherMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MaximumMembermog:OtherMembercountry:USus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MaximumMembermog:OtherMemberus-gaap:ForeignPlanMemberus-gaap:PensionPlansDefinedBenefitMember2021-10-020000067887srt:MinimumMemberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887srt:MaximumMemberus-gaap:DefinedBenefitPlanCommonCollectiveTrustMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887srt:MinimumMemberus-gaap:PrivateEquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-020000067887srt:MaximumMemberus-gaap:PrivateEquityFundsMemberus-gaap:PensionPlansDefinedBenefitMember2020-10-042021-10-02utr:Rate0000067887us-gaap:ForeignCountryMember2021-10-020000067887us-gaap:DomesticCountryMember2021-10-020000067887us-gaap:StateAndLocalJurisdictionMember2021-10-020000067887mog:ConversionOfClassBToClassASharesMember2021-10-020000067887mog:EmployeeStockPurchasePlanMember2021-10-020000067887mog:A2014LongTermIncentivePlanMember2021-10-020000067887mog:A2008StockAppreciationRightsPlanMember2021-10-020000067887us-gaap:PreferredStockMember2021-10-020000067887mog:ShareRepurchaseProgramNovember2020Membermog:ClassAandClassBCommonStockMember2020-11-200000067887mog:ShareRepurchaseProgramNovember2020Membermog:ClassAandClassBCommonStockMember2020-10-042021-10-020000067887mog:ShareRepurchaseProgramNovember2020Membermog:ClassAandClassBCommonStockMember2021-10-020000067887mog:ShareRepurchaseProgramMembermog:ClassAandClassBCommonStockMember2020-10-042021-10-020000067887mog:ShareRepurchaseProgramMembermog:ClassAandClassBCommonStockMember2019-09-292020-10-030000067887mog:ShareRepurchaseProgramMembermog:ClassAandClassBCommonStockMember2018-09-302019-09-280000067887mog:ShareRepurchaseProgramMembermog:ClassAandClassBCommonStockMember2021-10-020000067887mog:EmployeeStockPurchasePlanMember2020-10-042021-10-020000067887mog:A2014LongTermIncentivePlanMember2015-01-070000067887us-gaap:StockAppreciationRightsSARSMember2019-09-292020-10-030000067887us-gaap:StockAppreciationRightsSARSMember2018-09-302019-09-280000067887us-gaap:PerformanceSharesMember2019-09-292020-10-030000067887us-gaap:PerformanceSharesMember2018-09-302019-09-280000067887mog:TimeVestedRestrictedStockUnitsMember2020-10-042021-10-020000067887mog:TimeVestedRestrictedStockUnitsMember2019-09-292020-10-030000067887mog:TimeVestedRestrictedStockUnitsMember2018-09-302019-09-280000067887us-gaap:RestrictedStockMember2020-10-042021-10-020000067887us-gaap:RestrictedStockMember2019-09-292020-10-030000067887us-gaap:RestrictedStockMember2018-09-302019-09-280000067887mog:EmployeeStockPurchasePlanMember2019-09-292020-10-030000067887mog:EmployeeStockPurchasePlanMember2018-09-302019-09-280000067887us-gaap:StockAppreciationRightsSARSMember2020-10-030000067887us-gaap:StockAppreciationRightsSARSMember2021-10-020000067887srt:MinimumMemberus-gaap:PerformanceSharesMember2020-10-042021-10-020000067887srt:MaximumMemberus-gaap:PerformanceSharesMember2020-10-042021-10-020000067887us-gaap:PerformanceSharesMember2020-10-030000067887us-gaap:PerformanceSharesMember2021-10-020000067887us-gaap:PerformanceSharesMemberus-gaap:CommonClassBMember2020-10-042021-10-020000067887mog:TimeVestedRestrictedStockUnitsMember2021-10-020000067887mog:ShortTermIncentivePlanMember2020-10-042021-10-020000067887srt:MinimumMember2019-09-292020-10-030000067887srt:MinimumMember2018-09-302019-09-280000067887srt:MaximumMember2019-09-292020-10-030000067887srt:MaximumMember2018-09-302019-09-280000067887us-gaap:AccumulatedTranslationAdjustmentMember2019-09-280000067887us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-09-280000067887us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember2019-09-280000067887us-gaap:AccumulatedTranslationAdjustmentMember2019-09-292020-10-030000067887us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-09-292020-10-030000067887us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember2019-09-292020-10-030000067887us-gaap:AccumulatedTranslationAdjustmentMember2020-10-030000067887us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-10-030000067887us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember2020-10-030000067887us-gaap:AccumulatedTranslationAdjustmentMember2020-10-042021-10-020000067887us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-10-042021-10-020000067887us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember2020-10-042021-10-020000067887us-gaap:AccumulatedTranslationAdjustmentMember2021-10-020000067887us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2021-10-020000067887us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember2021-10-020000067887us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2020-10-042021-10-020000067887us-gaap:SalesMemberus-gaap:ForeignExchangeContractMember2019-09-292020-10-030000067887us-gaap:CostOfSalesMemberus-gaap:ForeignExchangeContractMember2020-10-042021-10-020000067887us-gaap:CostOfSalesMemberus-gaap:ForeignExchangeContractMember2019-09-292020-10-030000067887us-gaap:InterestExpenseMemberus-gaap:InterestRateSwapMember2020-10-042021-10-020000067887us-gaap:InterestExpenseMemberus-gaap:InterestRateSwapMember2019-09-292020-10-030000067887us-gaap:ForeignExchangeContractMember2020-10-042021-10-020000067887us-gaap:ForeignExchangeContractMember2019-09-292020-10-030000067887us-gaap:InterestRateSwapMember2020-10-042021-10-020000067887us-gaap:InterestRateSwapMember2019-09-292020-10-030000067887mog:AircraftControlsMemberus-gaap:SalesRevenueSegmentMembermog:AftermarketSalesMember2020-10-042021-10-020000067887mog:AircraftControlsMemberus-gaap:SalesRevenueSegmentMembermog:AftermarketSalesMember2019-09-292020-10-030000067887mog:AircraftControlsMemberus-gaap:SalesRevenueSegmentMembermog:AftermarketSalesMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:MilitaryMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:MilitaryMember2019-09-292020-10-030000067887mog:AircraftControlsMembermog:MilitaryMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:CommercialMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:CommercialMember2019-09-292020-10-030000067887mog:AircraftControlsMembermog:CommercialMember2018-09-302019-09-280000067887mog:SpaceMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887mog:SpaceMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887mog:SpaceMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:SpaceAndDefenseControlsMembermog:DefenseMember2020-10-042021-10-020000067887mog:SpaceAndDefenseControlsMembermog:DefenseMember2019-09-292020-10-030000067887mog:SpaceAndDefenseControlsMembermog:DefenseMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:EnergyMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:EnergyMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:EnergyMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:IndustrialAutomationMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:IndustrialAutomationMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:IndustrialAutomationMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:SimulationandTestMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:SimulationandTestMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:SimulationandTestMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:MedicalMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:MedicalMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:MedicalMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:CommercialCustomerMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:CommercialCustomerMember2019-09-292020-10-030000067887mog:AircraftControlsMembermog:CommercialCustomerMember2018-09-302019-09-280000067887mog:AircraftControlsMembermog:U.S.GovernmentCustomerMember2020-10-042021-10-020000067887mog:AircraftControlsMembermog:U.S.GovernmentCustomerMember2019-09-292020-10-030000067887mog:AircraftControlsMembermog:U.S.GovernmentCustomerMember2018-09-302019-09-280000067887mog:AircraftControlsMemberus-gaap:OtherCustomerMember2020-10-042021-10-020000067887mog:AircraftControlsMemberus-gaap:OtherCustomerMember2019-09-292020-10-030000067887mog:AircraftControlsMemberus-gaap:OtherCustomerMember2018-09-302019-09-280000067887mog:CommercialCustomerMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887mog:CommercialCustomerMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887mog:CommercialCustomerMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:SpaceAndDefenseControlsMembermog:U.S.GovernmentCustomerMember2020-10-042021-10-020000067887mog:SpaceAndDefenseControlsMembermog:U.S.GovernmentCustomerMember2019-09-292020-10-030000067887mog:SpaceAndDefenseControlsMembermog:U.S.GovernmentCustomerMember2018-09-302019-09-280000067887us-gaap:OtherCustomerMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887us-gaap:OtherCustomerMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887us-gaap:OtherCustomerMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:CommercialCustomerMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:CommercialCustomerMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:CommercialCustomerMember2018-09-302019-09-280000067887mog:IndustrialSystemsMembermog:U.S.GovernmentCustomerMember2020-10-042021-10-020000067887mog:IndustrialSystemsMembermog:U.S.GovernmentCustomerMember2019-09-292020-10-030000067887mog:IndustrialSystemsMembermog:U.S.GovernmentCustomerMember2018-09-302019-09-280000067887mog:IndustrialSystemsMemberus-gaap:OtherCustomerMember2020-10-042021-10-020000067887mog:IndustrialSystemsMemberus-gaap:OtherCustomerMember2019-09-292020-10-030000067887mog:IndustrialSystemsMemberus-gaap:OtherCustomerMember2018-09-302019-09-280000067887mog:CommercialCustomerMember2020-10-042021-10-020000067887mog:CommercialCustomerMember2019-09-292020-10-030000067887mog:CommercialCustomerMember2018-09-302019-09-280000067887mog:U.S.GovernmentCustomerMember2020-10-042021-10-020000067887mog:U.S.GovernmentCustomerMember2019-09-292020-10-030000067887mog:U.S.GovernmentCustomerMember2018-09-302019-09-280000067887us-gaap:OtherCustomerMember2020-10-042021-10-020000067887us-gaap:OtherCustomerMember2019-09-292020-10-030000067887us-gaap:OtherCustomerMember2018-09-302019-09-280000067887mog:AircraftControlsMemberus-gaap:TransferredOverTimeMember2020-10-042021-10-020000067887mog:AircraftControlsMemberus-gaap:TransferredOverTimeMember2019-09-292020-10-030000067887mog:AircraftControlsMemberus-gaap:TransferredOverTimeMember2018-09-302019-09-280000067887mog:AircraftControlsMemberus-gaap:TransferredAtPointInTimeMember2020-10-042021-10-020000067887mog:AircraftControlsMemberus-gaap:TransferredAtPointInTimeMember2019-09-292020-10-030000067887mog:AircraftControlsMemberus-gaap:TransferredAtPointInTimeMember2018-09-302019-09-280000067887us-gaap:TransferredOverTimeMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887us-gaap:TransferredOverTimeMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887us-gaap:TransferredOverTimeMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887us-gaap:TransferredAtPointInTimeMembermog:SpaceAndDefenseControlsMember2020-10-042021-10-020000067887us-gaap:TransferredAtPointInTimeMembermog:SpaceAndDefenseControlsMember2019-09-292020-10-030000067887us-gaap:TransferredAtPointInTimeMembermog:SpaceAndDefenseControlsMember2018-09-302019-09-280000067887mog:IndustrialSystemsMemberus-gaap:TransferredOverTimeMember2020-10-042021-10-020000067887mog:IndustrialSystemsMemberus-gaap:TransferredOverTimeMember2019-09-292020-10-030000067887mog:IndustrialSystemsMemberus-gaap:TransferredOverTimeMember2018-09-302019-09-280000067887mog:IndustrialSystemsMemberus-gaap:TransferredAtPointInTimeMember2020-10-042021-10-020000067887mog:IndustrialSystemsMemberus-gaap:TransferredAtPointInTimeMember2019-09-292020-10-030000067887mog:IndustrialSystemsMemberus-gaap:TransferredAtPointInTimeMember2018-09-302019-09-280000067887us-gaap:TransferredOverTimeMember2020-10-042021-10-020000067887us-gaap:TransferredOverTimeMember2019-09-292020-10-030000067887us-gaap:TransferredOverTimeMember2018-09-302019-09-280000067887us-gaap:TransferredAtPointInTimeMember2020-10-042021-10-020000067887us-gaap:TransferredAtPointInTimeMember2019-09-292020-10-030000067887us-gaap:TransferredAtPointInTimeMember2018-09-302019-09-280000067887country:US2020-10-042021-10-020000067887country:US2019-09-292020-10-030000067887country:US2018-09-302019-09-280000067887country:DE2020-10-042021-10-020000067887country:DE2019-09-292020-10-030000067887country:DE2018-09-302019-09-280000067887country:JP2020-10-042021-10-020000067887country:JP2019-09-292020-10-030000067887country:JP2018-09-302019-09-280000067887us-gaap:NonUsMember2020-10-042021-10-020000067887us-gaap:NonUsMember2019-09-292020-10-030000067887us-gaap:NonUsMember2018-09-302019-09-280000067887country:US2019-09-280000067887country:GB2021-10-020000067887country:GB2020-10-030000067887country:GB2019-09-280000067887country:PH2021-10-020000067887country:PH2020-10-030000067887country:PH2019-09-280000067887us-gaap:NonUsMember2021-10-020000067887us-gaap:NonUsMember2020-10-030000067887us-gaap:NonUsMember2019-09-280000067887mog:BoeingMember2020-10-042021-10-020000067887mog:BoeingMember2019-09-292020-10-030000067887mog:BoeingMember2018-09-302019-09-280000067887mog:BoeingMemberus-gaap:CustomerConcentrationRiskMemberus-gaap:SalesRevenueNetMember2020-10-042021-10-020000067887mog:BoeingMemberus-gaap:CustomerConcentrationRiskMemberus-gaap:SalesRevenueNetMember2019-09-292020-10-030000067887mog:BoeingMemberus-gaap:CustomerConcentrationRiskMemberus-gaap:SalesRevenueNetMember2018-09-302019-09-280000067887mog:BoeingCommercialAirplanesMember2020-10-042021-10-020000067887mog:BoeingCommercialAirplanesMember2019-09-292020-10-030000067887mog:BoeingCommercialAirplanesMember2018-09-302019-09-280000067887mog:LockheedMartinMember2020-10-042021-10-020000067887mog:LockheedMartinMember2019-09-292020-10-030000067887us-gaap:CustomerConcentrationRiskMembermog:LockheedMartinMemberus-gaap:SalesRevenueNetMember2020-10-042021-10-020000067887us-gaap:CustomerConcentrationRiskMembermog:LockheedMartinMemberus-gaap:SalesRevenueNetMember2019-09-292020-10-030000067887mog:GovernmentPrimeandSubContractMember2020-10-042021-10-020000067887mog:GovernmentPrimeandSubContractMember2019-09-292020-10-030000067887mog:GovernmentPrimeandSubContractMember2018-09-302019-09-280000067887us-gaap:CreditCardIntermediaryReceivablesMemberus-gaap:BankingMember2020-10-042021-10-020000067887us-gaap:CreditCardIntermediaryReceivablesMemberus-gaap:BankingMember2019-09-292020-10-030000067887us-gaap:CreditCardIntermediaryReceivablesMemberus-gaap:BankingMember2018-09-302019-09-280000067887us-gaap:BankingMemberus-gaap:LeaseAgreementsMember2020-10-042021-10-020000067887us-gaap:DepositsMemberus-gaap:BankingMember2020-10-042021-10-020000067887us-gaap:BankingMember2021-10-020000067887us-gaap:PropertyPlantAndEquipmentMember2021-10-020000067887us-gaap:SubsequentEventMember2021-10-292021-10-290000067887us-gaap:SubsequentEventMember2021-11-042021-11-040000067887us-gaap:SubsequentEventMember2021-11-040000067887mog:ContractLossReserveMember2018-09-290000067887mog:ContractLossReserveMember2018-09-302019-09-280000067887mog:ContractLossReserveMember2019-09-280000067887us-gaap:AllowanceForCreditLossMember2018-09-290000067887us-gaap:AllowanceForCreditLossMember2018-09-302019-09-280000067887us-gaap:AllowanceForCreditLossMember2019-09-280000067887us-gaap:InventoryValuationReserveMember2018-09-290000067887us-gaap:InventoryValuationReserveMember2018-09-302019-09-280000067887us-gaap:InventoryValuationReserveMember2019-09-280000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2018-09-290000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2018-09-302019-09-280000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2019-09-280000067887mog:ContractLossReserveMember2019-09-292020-10-030000067887mog:ContractLossReserveMember2020-10-030000067887us-gaap:AllowanceForCreditLossMember2019-09-292020-10-030000067887us-gaap:AllowanceForCreditLossMember2020-10-030000067887us-gaap:InventoryValuationReserveMember2019-09-292020-10-030000067887us-gaap:InventoryValuationReserveMember2020-10-030000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2019-09-292020-10-030000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2020-10-030000067887mog:ContractLossReserveMember2020-10-042021-10-020000067887mog:ContractLossReserveMember2021-10-020000067887us-gaap:AllowanceForCreditLossMember2020-10-042021-10-020000067887us-gaap:AllowanceForCreditLossMember2021-10-020000067887us-gaap:InventoryValuationReserveMember2020-10-042021-10-020000067887us-gaap:InventoryValuationReserveMember2021-10-020000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2020-10-042021-10-020000067887us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember2021-10-02

Washington, D.C. 20549
(Mark One)
For the fiscal year ended October 2, 2021


For the transition period from _________  to _________

Commission file number 1-05129
(Exact name of registrant as specified in its charter)
New York16-0757636
(State or other jurisdiction of incorporation or organization)
(I.R.S. Employer Identification No.)
400 Jamison RoadEast Aurora,New York14052-0018
(Address of Principal Executive Offices)
(Zip Code)
(716) 652-2000
Registrant's telephone number, including area code

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A common stockMOG.ANew York Stock Exchange
Class B common stockMOG.BNew York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes   No   

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes   No  
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes    No   

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).     Yes    No   

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.
Large accelerated filer
Accelerated filer
Non-accelerated filer  
Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.    
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes   No  
The aggregate market value of the common stock outstanding and held by non-affiliates (as defined in Rule 405 under the Securities Act of 1933) of the registrant, based upon the closing sale price of the common stock on the New York Stock Exchange on April 2, 2021, the last business day of the registrant’s most recently completed second fiscal quarter, was approximately $2,521 million.
The number of shares outstanding of each class of common stock as of November 8, 2021 was:
Class A common stock, 29,232,810 shares
Class B common stock, 2,872,410 shares


Portions of Moog Inc.'s definitive Proxy Statement to be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates (the "2021 Proxy Statement") are incorporated by reference into Part III of this Form 10-K.



The Registrant, Moog Inc., a New York corporation formed in 1951, is referred to in this report as “Moog” or the "Company" or in the nominative “we” or the possessive “our.”
Unless otherwise noted or the context otherwise requires, all references to years in this report are to fiscal years.  
Item 1. 
Description of the Business. Moog is a worldwide designer, manufacturer and systems integrator of high performance precision motion and fluid controls and controls systems for a broad range of applications in aerospace and defense and industrial markets. We have three operating segments: Aircraft Controls, Space and Defense Controls and Industrial Systems.
Additional information describing the business and comparative segment revenues, operating profits and related financial information for 2021, 2020 and 2019 are provided in Note 21, Segments, of Item 8, Financial Statements and Supplementary Data of this report.
Distribution. Our sales and marketing organization consists of individuals possessing highly specialized technical expertise. This expertise is required in order to effectively evaluate a customer’s precision control requirements and to facilitate communication between the customer and our engineering staff. Our sales staff is the primary contact with customers. Manufacturers’ representatives are used to cover certain domestic aerospace markets. Distributors are used selectively to cover certain industrial and medical markets.
Industry and Competitive Conditions. We experience considerable competition in our aerospace and defense and industrial markets. We believe that the principal points of competition in our markets are product quality, reliability, price, design and engineering capabilities, product development, conformity to customer specifications, timeliness of delivery, effectiveness of the distribution organization and quality of support after the sale. We believe we compete effectively on all of these bases. Competitors in our three operating segments include:
Aircraft Controls: Curtiss-Wright, Liebherr, Nabtesco, Parker-Hannifin, Raytheon Technologies and Woodward.
Space and Defense Controls: Aerojet Rocketdyne, Airbus, Amphenol, Cobham, Curtiss-Wright, Eaton, Elbit, General Dynamics, Glenair, Honeywell, IHI-Aerospace, Kongsberg, LORD, RUAG, Rafael Advanced Defense Systems, Raytheon Technologies, Schleifring, SEAKR, and Woodward.
Industrial Systems: Allied Motion, Baumüller, Atos S.p.A, Bosch Rexroth, Cardinal Health, Eaton, ebm-papst, MTS Systems, Nidec, Parker-Hannifin, Schleifring, Shinano Kenshi, Smiths Medical, Wittenstein Group and Woodward.
Government Contracts. All United States ("U.S.") Government contracts are subject to termination by the U.S. Government. In 2021, sales under U.S. Government contracts represented 44% of total sales and were primarily within our Aircraft Controls and Space and Defense Controls segments.
Backlog. Our twelve-month backlog represents confirmed orders we believe will be recognized as revenue within the next twelve months. As noted in Item 6, Selected Financial Data of this report, as of October 2, 2021, our twelve-month backlog was $2.1 billion, an increase of 24% compared to October 3, 2020. See Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations of this report for a discussion on the various business drivers and conditions contributing to the twelve-month backlog change.
Raw Materials. Materials, supplies and components are purchased from numerous suppliers. We believe the loss of any one supplier, although potentially disruptive in the short-term, would not materially affect our operations in the long-term.
Working Capital. See the discussion on operating cycle in Note 1, Summary of Significant Accounting Policies, of Item 8, Financial Statements and Supplementary Data of this report.
Seasonality. Our business is generally not seasonal; however, certain products and systems, such as those in the energy market of our Industrial Systems segment, do experience seasonal variations in sales levels.

Patents. We maintain a patent portfolio of issued or pending patents and patent applications worldwide that generally includes the U.S., Europe, China, Japan and India. The portfolio includes patents that relate to electrohydraulic, electromechanical, electronics, hydraulics, components and methods of operation and manufacture as related to motion control and actuation systems. The portfolio also includes patents related to wind turbines, robotics, surveillance/security, vibration control and medical devices. We do not consider any one or more of these patents or patent applications to be material in relation to our business as a whole. The patent portfolio related to certain medical devices is significant to our position in this market as several of these products work exclusively together, and provide us future revenue opportunities.
Research Activities. Research and development activity has been, and continues to be, significant for us. Research and development expense was at least $110 million in each of the last three years and represented approximately 4% of sales in 2021.
Human Capital Resources. Moog possesses a unique culture that fuels our business success. Our nearly 14,000 employees across over 25 countries work closely together, driven by a shared sense of purpose and a desire to do the right thing. We value our ground-breaking, challenging work and what we stand for. We value the skill and commitment of our talented workforce above all else. Whether it’s enabling a Mars Rover to land safely or helping to support breakthrough advances in healthcare, together, we solve our customers’ most difficult challenges.

Although we are a successful, global business, our employees feel like they are amongst friends and are comfortable being themselves. We empower them to find innovative ways of accomplishing things, and the scale of our business means that careers can develop in exciting and unexpected directions. For prospective employees looking for inspiring and meaningful work in a warm, respectful, family-like environment, Moog will feel like home.

In order to ensure we live our values and our culture stays unique and strong, our Board of Directors and executive team put significant focus on our human capital resources. These are some of the key aspects of Moog’s human capital strategy:

Managing Through the Global Pandemic

As we managed through the second year of the global pandemic, we continued to run our business in a manner that was focused on maintaining the health and safety of our employees while meeting our customers’ requirements as an essential business. We were able to effectively support a large number of employees working from home, developed policies and educational materials with employee safety in mind, and re-configured our production environments to maintain proper social distancing. We provided time-off and salary continuation benefits to employees affected by COVID-19 in a manner consistent with our values.

As the pandemic continued through 2021, we:

Added additional benefits to help our employees cope with personal challenges such as childcare, eldercare, health care and schooling.
Sponsored on-site immunization clinics.
Provided “mental health” days.
Created training programs and support groups to help people balance changing work and personal requirements brought on by the pandemic.
Created and implemented protocols for employees returning to the workplace.

We are very proud of how Moog and our people adapted during the pandemic. We are certainly stronger from the multitude of business and personnel challenges we successfully worked through.

Moog deeply mourns the employees we lost to COVID-19.

Employee Recruitment

Moog actively seeks to attract the best talent from a diverse range of sources and industries in order to meet the current and future demands of our business. We have established relationships with trade schools, world-class universities, professional associations, and industry groups to proactively attract talent.

In 2021, we hired 1,348 new regular employees throughout the world.


Diversity, Equity and Inclusion

Moog aspires to be diverse, equitable, and inclusive, where employees are empowered to bring their whole, authentic selves to work every day. We believe being diverse, equitable and inclusive is better for all of our employees, customers and shareholders.

During 2021, we rolled out a new Diversity, Equity and Inclusion strategy. In support of this strategy, we:

Conducted a variety of learning programs to help our employees understand the value of inclusivity, the very different experiences people have, and the role we all must play in creating an inclusive and welcoming environment at Moog.
Honored employees from different backgrounds and helped increase understanding through a variety of monthly celebrations, including, but not limited, to Black History Month, International Women’s Day, and Pride Month.
Piloted Employee Resource Groups ("ERGs"). Our ERGs are voluntary, employee-led, corporate-supported groups that are organized primarily around a defined characteristic, special interest, or life experience. This year we supported the formation of ERGs to better enable women and gender equality and to support our black employees.

At Moog, we are pleased that 33% of the executive team and 29% of our independent directors are female. Having said that, we are continuously striving to ensure the diversity of our organization more fully represents the diversity of the communities in which we operate.

Compensation and Benefits

Moog works to maintain compensation, benefits and rewards programs that enable us to attract, retain, motivate, and reward employees for their contributions to company performance. Our compensation and rewards programs are linked closely to our values of We Are All In This Together, We Try Harder, Competence Is King and Performance And Commitment Should Be Rewarded.

Moog is committed to providing comprehensive benefit options that reflect the differing priorities and needs of our sites globally, governed by an intent to offer plans that will allow our employees and their families to live healthier and more secure lives.

In addition to traditional employee benefits, Moog has a number of innovative initiatives to support the well-being of our employee base, including onsite wellness clinics at a number of locations, online tools that assist employees with their physical and mental health, special events with outside vendors and participants focusing on employee well-being and much more.

Health and Safety

Maintaining a safe and healthy work environment is a key priority and a responsibility for all of our employees. At Moog, we embrace a continuous improvement approach with regard to our global Environment, Health & Safety ("EHS") culture. All Moog businesses strive to operate in a responsible manner that demonstrates our commitment to the health and safety of our employees, customers, suppliers, communities and the environment. Our commitment will not be compromised. We expect our employees, visitors and service providers to follow our EHS standards and practices. We regularly conduct training for all of our employees and work hard to learn lessons from every incident. Additionally, we measure and review our EHS results continuously in each location.

Employee Engagement and Retention

Moog is deeply committed to continuously evolving into an even better place to work. We're built on a strong foundation of mutual trust and the premise that we must engage with employees at different levels to empower our people, enable progress and align efforts.

Moog employs a variety of mechanisms to collect and respond to feedback from our employees. We conduct a regular employee engagement survey. We also leverage focus groups and listening sessions to solicit feedback.


In response to employee feedback and in acknowledgment of the changing landscape brought about by the global pandemic, Moog has been piloting a variety of flexible working arrangements, including remote work and hybrid working schedules. We are implementing these changes in a way that allows our employees to collaborate and innovate in the Moog Way that has made us so successful to date.

We see our positive employee engagement coming through in high levels of employee retention. For the last four years, the average of voluntary attrition has been just below 5% of our workforce. That is a competitive attrition figure and a testament to Moog being a great place to work.

Leadership Development and Training

At Moog, we believe that the best leaders are the ones who come from within. These leaders learn with us, grow with us, and reach their potential through challenging job experiences we provide and deliberate learning experiences.

Moog has carefully designed two leadership development programs to improve the effectiveness of our managers. Our Moog Leadership Program is a two-year program designed to expand, develop, support, and sustain high potential leadership throughout the Company. This program accelerates the growth and development of our high potential employees and prepares them for future senior-level roles within the organization. Our Emerging Leadership Program is a nine-month global, cross-group leadership development program. The goal of this program is to accelerate the development of a pool of global, cross-group top talent in order to help meet the demand for important leadership roles throughout our Company. Finally, our leading and coaching people program, which is open to people managers at Moog, is a two-day course and provides the foundational framework for engaging, empowering, and coaching employees for optimal performance.

In addition to our leadership development programs, Moog has many other valuable training resources available for employees in order to ensure our people have everything they need to succeed both personally and professionally. Moog facilitates these training opportunities and programs through state-of-the-art learning management systems. Our employees are encouraged to take responsibility for their own development and create learning plans that fit their needs and development goals best.

Succession Planning

Each year Moog conducts an extensive talent review across our global enterprise that includes, among other important topics, a review of succession plans for many of our roles. To ensure the long-term continuity of our business, we actively manage the development of talent to fill the roles that are most critical to the on-going success of our Company.

Corporate Social and Environmental Responsibility

Our values, rooted in trust, integrity, and collaboration, lay the foundation for Moog's commitment to corporate social and environmental responsibility. As a company, we believe that to be truly successful, we must do our part to improve the world for current and future generations. At Moog, we are committed to:

Protecting our planet by minimizing our environmental impact.
Striving to contribute our time, talent, and resources to strengthen the communities where we do business.
Engaging in ethical practices.

We're all in this together - when our local and global communities succeed, we succeed. Moog and its employees live this mantra with countless initiatives focused on supporting our communities both financially and with employee time. Some recent examples of Moog’s “responsibility in action” include:

Our Moog team in India sponsored 300 cataract surgeries through Nayonika Eye Care Charitable Trust.
Our Wolverhampton, United Kingdom ("UK") site has transitioned 90% of its electric lighting to LED bulbs; in doing so, the site will save over 13,000 kWh each year.
Our U.S. and UK organizations piloted a “direct giving program” that allows our employees to contribute funds and volunteer time to local charities that are meaningful to them.
A group of our employees in Torrance, California donated their time to crochet hats and other items for nonprofits like the American Heart Association's "Little Hats, Big Hearts" program.


Business Ethics

Moog is fully dedicated to conducting ourselves by the letter and in the spirit of the many laws and standards that apply to our business. Ethics are deeply embedded in our values and business processes. We regularly re-enforce our commitment to ethics and integrity in employee communications, in our everyday actions and in processes and controls. As a part of our on-going efforts to ensure our employees conduct business with the highest levels of ethics and integrity, Moog has compliance training programs in multiple languages. We also maintain two ethics related hotlines, through which individuals can anonymously raise concerns they have about business behavior they do not feel comfortable discussing personally with business operations managers or human resources personnel. The Company's general confidential ethics hotline is administered by internal company counsel designated as Moog's ethics advocate. In addition, we maintain a separate hotline for cases wherein an employee believes that the Company's financial statements are materially misstated as a result of intentional acts or material weaknesses in the systems of internal control. This hotline is administered by the Company's corporate Secretary.
Customers. Our principal customers are Original Equipment Manufacturers ("OEMs"), and end users for whom we provide aftermarket support. Aerospace and defense OEM customers collectively represented 58% of 2021 sales. The majority of these sales are to a small number of large companies. Due to the long-term nature of many of the programs, many of our relationships with aerospace and defense OEM customers are based on long-term agreements. Our industrial OEM sales, which represented 31% of 2021 sales, are to a wide range of global customers and are normally based on lead times of 90 days or less. We also provide aftermarket support, consisting of spare and replacement parts and repair and overhaul services, for all of our products. Our major aftermarket customers are the U.S. Government and commercial airlines. In 2021, aftermarket sales accounted for 11% of total sales.
Significant customers in our three operating segments include:
Aircraft Controls: Boeing, Lockheed Martin, Airbus, Raytheon Technologies, General Dynamics, BAE Systems, Honeywell, Bell Helicopter, Embraer S.A., Japan Aerospace, and the U.S. Government.
Space and Defense Controls: Lockheed Martin, Northrup Grumman, Boeing, Raytheon Technologies, L3 Harris Technologies, General Dynamics, Aerojet Rocketdyne, United Launch Alliance, Australia Department of Defense, BAE Systems, and the U.S. Government.
Industrial Systems: McKesson, Nutricia, Integrated Medical Systems, Phillips Healthcare, CAE, TurboChef Technologies, Flight Safety, Mitsubishi Hitachi Power Systems, MacArtney, and Nordex.
International Operations. Our operations outside the United States are conducted primarily through wholly-owned foreign subsidiaries and are located predominantly in Europe and the Asia-Pacific region. See Note 21, Segments, of Item 8, Financial Statements and Supplementary Data of this report for information regarding sales by geographic area and Exhibit 21 of Item 15, Exhibits and Financial Statement Schedules of this report for a list of subsidiaries. Our international operations are subject to the usual risks inherent in international trade, including currency fluctuations, local government contracting regulations, local governmental restrictions on foreign investment and repatriation of profits, exchange controls, regulation of the import and distribution of foreign goods, as well as changing economic and social conditions in countries in which our operations are conducted.
Environmental Matters. See the discussion in Note 23, Commitments and Contingencies, of Item 8, Financial Statements and Supplementary Data of this report.
Website Access to Information. Our internet address is www.moog.com. The information contained on or connected to our website is not incorporated by reference into this Annual Report on Form 10-K and should not be considered part of this or any other report filed with the Securities and Exchange Commission ("SEC"). We make our annual reports on Form 10‑K, quarterly reports on Form 10-Q, current reports on Form 8-K and, if applicable, amendments to those reports, available on the investor relations portion of our website. The reports are free of charge and are available as soon as reasonably practicable after they are filed with the SEC. The SEC maintains a website at www.sec.gov that contains reports, proxy statements and other information regarding SEC registrants, including Moog.


Information about our Executive Officers. Other than the changes noted below, the principal occupations of our executive officers for the past five years have been their employment with us in the same positions they currently hold.
On January 2, 2020, Jennifer Walter was named Chief Financial Officer. Previously, she was Vice President - Finance, a position she held since January 5, 2018. Prior to that she was Controller and Principal Accounting Officer, a position she held since 2008.
On December 1, 2017, Paul Wilkinson was named Vice President and Chief Human Resources Officer. Previously, he was a Group Vice President and Global Human Resources Director, Aircraft Group.
Executive Officers
Year First Elected Officer
John R. Scannell
Director; Chairman of the Board; Chief Executive Officer
Jennifer Walter
Vice President; Chief Financial Officer
Maureen M. Athoe
Vice President
Patrick J. Roche
Vice President
Mark J. Trabert
Vice President
Paul Wilkinson
Vice President

Disclosure Regarding Forward-Looking Statements
Information included or incorporated by reference in this report that does not consist of historical facts, including statements accompanied by or containing words such as “may,” “will,” “should,” “believes,” “expects,” “expected,” “intends,” “plans,” “projects,” “approximate,” “estimates,” “predicts,” “potential,” “outlook,” “forecast,” “anticipates,” “presume” and “assume,” are forward-looking statements. Such forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements are not guarantees of future performance and are subject to several factors, risks and uncertainties, the impact or occurrence of which could cause actual results to differ materially from the expected results described in the forward-looking statements. Certain of these factors, risks and uncertainties are discussed in the sections of this report entitled “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” New factors, risks and uncertainties may emerge from time to time that may affect the forward-looking statements made herein. Given these factors, risks and uncertainties, investors should not place undue reliance on forward-looking statements as predictive of future results. We disclaim any obligation to update the forward-looking statements made in this report, except as required by law.

Item 1A. 
Risk Factors.
Our business, financial condition, and results of operations face many risks, many of which are not exclusively within our control, and the known, material risks to our business summarized below should be carefully considered together with all of the other information included in this report, including the financial statements and related notes. Any of the risks discussed below, or elsewhere in this report or in our other SEC filings, could have a material impact on our business, financial condition or results of operations. Although the risks summarized below are organized by heading, and each risk is summarized separately, many of the risks are interrelated. While we believe we have identified and discussed below the material risks affecting our business, there may be additional risks and uncertainties not currently known to us or that we currently consider immaterial that may materially adversely affect our business, financial condition or results of operations in the future and may require significant management time and attention.
We face various risks related to health pandemics such as the global COVID-19 pandemic, which have had material adverse consequences on our operations, financial position, cash flows, and those of our customers and suppliers. The global COVID-19 pandemic, and the associated pandemic-related responses, continues to cause significant and volatile disruptions in global economies, in capital markets and across industries. While to-date, substantially all of our operations and production activities in the U.S. and globally remained functional during the COVID-19 pandemic, parts of our business have been negatively affected. We have experienced, and may continue to experience, lower levels of customer demand for our products, a net reduction in our overall manufacturing activities and disruptions in our global supply chains. Our commercial airline customers have, and continue to, match their wide-body aircraft production rates with the reduced airline traffic demand. Given the uncertain length of this pandemic and associated restrictions to travel long distances, the commercial market may shift away from wide-body aircraft. Working from home, social distancing and cleaning measures at our facilities could materially adversely affect our ability to adequately staff, supply and maintain our operations. Additionally, we will fully comply with the U.S. Government's Safer Federal Workforce Task Force's guidelines on vaccination requirements for employees of the federal government and their contractors and subcontractors. These guidelines could result in increased attrition, loss of critical skills and reduced employee morale. This could potentially result in increased expenses to address any disruptions. Potential future directives curtailing in-person operations due to illness, quarantines, government actions, facility closures or other restrictions in connection with the COVID-19 pandemic could change at any time. Supply chain disruptions such as shortages for industry-wide parts including electronic components, labor shortages and other logistical challenges have extended our lead times, increased our freight costs and required additional work to locate alternate sources or redesign products. We continue to monitor the situation, assessing possible implications on our operations, supply chain, liquidity, cash flow and customer orders, and will continue taking actions in an effort to mitigate adverse consequences. Recognizing the unprecedented nature, scale and uncertainty associated with this global health crisis, the duration and extent of the on-going impacts cannot be reasonably estimated at this time.
We operate in highly competitive markets with competitors who may have greater resources than we possess. Many of our products are sold in highly competitive markets. Some of our competitors, especially in our industrial markets and medical markets, are larger, more diversified and have greater financial, marketing, production and research and development resources. Within the aerospace and defense industries, suppliers have consolidated to widen their product offerings and to secure long-term sole-source positions. As a result, these competitors may be better able to withstand the effects of periodic economic downturns, including withstanding the current global pandemic, and their program wins could increase their market share, which would reduce the total number of viable suppliers. Our sales and operating margins will be negatively impacted if our competitors: 
develop products that are superior to our products,
develop products of comparable quality and performance that are more competitively priced than our products,
develop more efficient and effective manufacturing methods for their products and services, or
adapt more quickly than we do to technological innovations or evolving customer requirements.


We believe that the principal points of competition in our markets are product quality, reliability, design and engineering capabilities, price, innovation, conformity to customers' specifications, timeliness of delivery, effectiveness of the distribution organization and quality of support after the sale. Maintaining or improving our competitive position requires continued investment in manufacturing, engineering, quality standards, marketing, customer service and support and our distribution networks. If we do not maintain sufficient resources to make these investments, are not successful in meeting our quality or delivery standards or are not successful in maintaining our competitive position, we could face pricing pressures or loss in market share, causing our operations and financial performance to suffer.
Our new products and technology research and development efforts are substantial and may not be successful, which could reduce our sales and earnings. Technologies related to our products have undergone, and in the future may undergo, significant changes. In order to maintain a leadership position in the high-performance, precision controls market in the future, we have incurred, and we expect to continue to incur, expenses associated with research and development activities during the introduction of new products. Our technology has been developed through customer-funded and internally-funded research and development, as well as through business acquisitions. If we fail to predict customers' preferences or fail to provide viable technological solutions, we may experience inefficiencies that could delay or prevent the acceptance of new products or product enhancements. Also, the research and development expenses we incur may exceed our cost estimates and the new products we develop may not generate sales sufficient to offset our costs. Additionally, our competitors may develop technologies and products that have more competitive advantages than ours and render our technology noncompetitive or obsolete.
If we are unable to adequately enforce and protect our intellectual property or defend against assertions of infringement, our business and our ability to compete could be harmed. Protecting our intellectual property is critical in order to maintain a competitive advantage. We therefore rely on internally developed and acquired patents, trademarks, copyrights, trade secrets, proprietary know-how to establish and protect our technologies and products. However, these measures afford only limited protection, and our patent rights and other intellectual property protections may be infringed, misappropriated, misrepresented, copied without authorization, circumvented or invalidated in the U.S. or in foreign countries that do not offer the same level of intellectual property protections. Also, as our patents and other intellectual property protections expire, we may face increased competition. Additionally, we cannot be assured that our existing or planned products do not, or will not, infringe on the intellectual property rights of others or that others will not claim such infringement. When others infringe on our intellectual property rights, the value of our products is diminished, and we may incur substantial litigation costs to enforce our rights. Litigation could also divert management's focus and resources away from operations. If we are unable to adequately enforce and protect our intellectual property or defend against assertions of infringement, we could face reputational harm and our inability to defend against these scenarios could have an adverse effect on our competitive position, our business operations and financial condition.
Our sales and earnings may be affected if we cannot identify, acquire or integrate strategic acquisitions, or as we conduct divestitures. Acquisitions are an element of our growth strategy as we opportunistically resume investments in our businesses. Our historical growth has depended, and our future growth is likely to depend, in part, on our ability to successfully identify, acquire and integrate acquired businesses. We intend to continue to seek additional acquisition opportunities throughout the world, both to expand into new markets and to enhance our position in existing markets. Growth by acquisition involves risk that could adversely affect our financial condition and operating results. We may not know the potential exposure to unanticipated liabilities. Additionally, the expected benefits or synergies might not be fully realized, integrating operations and personnel may be slowed and key employees, suppliers or customers of the acquired business may depart. As a result of our ongoing operational assessment, we may continue to divest assets or businesses if we deem the operations as non-strategic or no longer match the current customer demand. Divestitures could adversely affect our profitability and, under certain circumstances, require us to record impairment charges or a loss as a result of a transaction. In pursuing acquisition opportunities, integrating acquired businesses, or divesting business operations, management's time and attention may be diverted from our core business, while consuming resources and incurring expenses for these activities.

The markets we serve are cyclical and sensitive to domestic and foreign economic conditions and events, which may cause our operating results to fluctuate. The markets we serve are sensitive to fluctuations in general business cycles, global pandemics, domestic and foreign governmental tariffs, trade and monetary policies and economic conditions and events, and are facing varying levels of pressure from the COVID-19 pandemic. The COVID-19 pandemic drastically reduced air traffic as travel restrictions and social distancing measures were implemented to help control the spread of the virus. The reduced air traffic applied financial pressures on airlines, who, in order to preserve cash and liquidity, dramatically reduced flight hours and delayed the purchases of new aircraft. Although U.S. domestic air travel has increased during 2021, international travel has not yet begun to recover at the same pace. Given the uncertain length of this pandemic and associated restrictions to travel long distances, the commercial market may shift away from wide-body aircraft. Furthermore, as companies and employees become accustomed to working remotely, business travel and the associated flight hours may not reach the pre-pandemic levels. We believe The Boeing Company, or Boeing, and Airbus may continue to directionally match their wide-body aircraft production rates with the reduced international air traffic volume, which has lowered their demand for our flight control systems. Other factors influencing our business, including our defense and our space programs, are largely contingent on U.S. Department of Defense investment funding, which can fluctuate. Our industrial product demand depends upon several factors including levels of capital investment, the pace of product innovations and technology upgrades, changing economic conditions, and the current and forecasted price of oil and natural gas. If the global pandemic and related economic uncertainties deteriorate, our operations could be negatively impacted through declines in our sales, profitability and cash flows as a result of lower orders, payment delays and price pressures for our products.
We depend heavily on government contracts that may not be fully funded or may be terminated, and the failure to receive funding or the termination of one or more of these contracts could reduce our sales and increase our costs. Sales to the U.S. Government and its prime contractors and subcontractors represent a significant portion of our business. In 2021, sales under U.S. Government contracts represented 44% of our total sales, primarily within Aircraft Controls and Space and Defense Controls. Sales to foreign governments represented 8% of our total sales. Funding for government programs can be structured into a series of individual contracts and depend on annual congressional appropriations, which are cyclical. At times when there are perceived threats to national security, U.S. Defense spending can increase; at other times, defense spending can decrease. Future levels of defense spending beyond 2021 are uncertain and subject to congressional debate and spending prioritization. Any reduction in future Department of Defense spending levels could adversely impact our sales, operating profit and our cash flow. We have resources applied to specific government contracts and if any of those contracts are rescheduled or terminated, we may incur substantial costs redeploying those resources.
The loss of The Boeing Company or Lockheed Martin as a customer or a significant reduction in sales to either company could adversely impact our operating results. We provide Boeing with controls for both military and commercial applications, as well as controls for space and defense applications, which totaled 12% of our 2021 sales. We provide Lockheed Martin similar products for military, space and defense applications, which totaled 12% of our 2021 sales. Sales to Boeing's commercial airplane group are generally made under long-term supply agreements. Boeing operates in a competitive environment and continues to evaluate the size, scope and cost of their supplier base. We have seen lower commercial aircraft orders from Boeing, as they match their commercial production rates to the reduced global air traffic volume due to the COVID-19 pandemic. As a portion of our sales to Boeing and Lockheed Martin is tied to varying levels of government defense spending, a reduction in future Department of Defense spending levels could adversely impact our sales, operating profit and cash flow. Furthermore, a loss of Boeing or Lockheed Martin as a customer could reduce our sales and earnings.
We may not realize the full amounts reflected in our backlog as revenue, which could adversely affect our future revenue and growth prospects. As of October 2, 2021, our total backlog was $4.8 billion, which represents confirmed orders we believe will be recognized as revenue. There is no assurance that our customers will purchase all the orders represented in our backlog. A significant portion of our backlog relates to commercial aircraft programs. During the ongoing COVID-19 pandemic, we believe Boeing and Airbus will continue to directionally match their wide-body aircraft production rates with the reduced international air traffic volume, which has lowered their demand for our flight control systems and may cause us to never realize the full amounts included in our commercial backlog. Also, given the uncertain nature of our contracts with the U.S. Government and other foreign governments, in part due to governments' abilities to modify, curtail or terminate major programs, we may not realize the full revenue value of the orders included in our backlog. If this occurs, our future revenue and growth prospects may be adversely affected.

Our business operations may be adversely affected by information systems interruptions, intrusions, or new software implementations. We rely extensively on various information technologies throughout our company in support of nearly every business activity. In doing so, we work with sensitive data types including proprietary business information, intellectual property, and confidential employee data. Handling and storage of this data, either onsite or managed by authorized third parties, may be subject to privacy, security, or other regulatory requirements. Business disruptions are possible due to information system errors, equipment failures, or ever-evolving cyber-attacks. Unauthorized access or tampering via cybersecurity incident may result in potential data corruption, exposure of proprietary or confidential information, work stoppage, increased operational costs, fines, penalties, or diminished competitive advantage through loss of intellectual property or reputational damage. Our vulnerability to cybersecurity risks may have also increased after adopting a hybrid working policy in response to the COVID-19 pandemic, empowering employees to work productively from home when appropriate to do so. Additionally, we have and expect to incur additional costs to comply with our customers' increased cybersecurity protections and standards, including those of the U.S. Government. We have embarked on multi-year business information system transformation and standardization projects. These endeavors are complex and company-wide, involving new technologies and may introduce risk to our cybersecurity infrastructure. While we are investing significant resources throughout the planning, project managing and deployment processes, unanticipated delays could occur and could adversely affect our financial results. Any of these cybersecurity issues may cause operational stoppages, increased operational costs, fines, penalties and diminished competitive advantages through reputational damages.
We may not be able to prevent, or timely detect, issues with our products and our manufacturing processes which may adversely affect our operations and our earnings. We must continuously improve product development and manufacturing processes and systems to ensure we deliver high-quality, technically advanced products. Due to growth in operations, there is a risk our current manufacturing processes and systems are unable to maintain our high-quality and on-time delivery standards for our customers. If we are unable to maintain these standards, we could experience late deliveries and penalties, recalls, increased warranty costs, order cancellations and litigation.
If our subcontractors or suppliers fail to perform their contractual obligations, our prime contract performance and our ability to obtain future business could be materially and adversely impacted. With respect to many of our contracts, we rely on other companies to perform portions of the manufacturing process of our products. While we actively manage our supply chain establishing alternate sources, some business conditions cause us to obtain certain components and sub-assemblies from a single supplier or a limited group of suppliers. There is a risk that we may have disputes with our subcontractors regarding the quality and timeliness of work performed by the subcontractor, customer concerns about the subcontractor, our failure to extend existing task orders or issue new task orders under a subcontract or our hiring of personnel of a subcontractor. Failure by our sole-sourced or group of subcontractors to satisfactorily provide on a timely basis the agreed-upon, defect-free supplies, or perform the agreed-upon services, may materially and adversely impact our ability to perform our obligations as the prime contractor. Subcontractor performance deficiencies could result in a customer terminating our contract for default, which could expose us to liability and substantially impair our ability to compete for future orders. In addition, a delay or failure in our ability to obtain components and equipment parts from our suppliers may adversely affect our ability to perform our obligations to our customers.
The failure or misuse of our products may damage our reputation, necessitate a product recall or result in claims against us that exceed our insurance coverage, thereby requiring us to pay significant damages. Defects in the design and manufacture of our products or our subcontractors' products may necessitate a product recall. We include complex system designs and components in our products that could contain errors or defects, particularly when we incorporate new technologies into our products. If any of our products are defective, we could be required to redesign or recall those products, pay substantial damages or warranty claims and face actions by regulatory bodies and government authorities. Such an event could result in significant expenses, delay sales, inflate inventory, cause reputational damage or cause us to withdraw from certain markets. We are also exposed to product liability claims. Many of our products are used in applications where their failure or misuse could result in significant property loss and serious personal injury or death. We carry product liability insurance consistent with industry norms. However, these insurance coverages may not be sufficient to fully cover the payment of any potential claim. A product recall or a product liability claim not covered by insurance could have a material adverse effect on our business, financial condition and results of operations.

We make estimates in accounting for over-time contracts, and changes in these estimates may have significant impacts on our earnings. We have over-time contracts with some of our customers, predominantly in our aerospace and defense markets. We recognize revenue using an input method that uses costs incurred to date to measure progress toward completion ("cost-to-cost"). Changes in these required estimates could have a material adverse effect on sales and profits. Any adjustments are recognized in the period in which the change becomes known using the cumulative catch-up method of accounting. For contracts with anticipated losses at completion, we establish a provision for the entire amount of the estimated remaining loss and charge it against income in the period in which the loss becomes known and can be reasonably estimated. Amounts representing performance incentives, penalties, contract claims or impacts of scope change negotiations are considered in estimating revenues, costs and profits when they can be reliably estimated and realization is considered probable. Due to the substantial judgments involved with this process, our actual results could differ materially or could be settled unfavorably from our estimates. See Note 2, Revenue from Contracts with Customers in Part II of this Form 10-K.
We enter into fixed-price contracts, which could subject us to losses if we have cost overruns. In 2021, fixed-price contracts represented 88% of our sales that were accounted for using the cost-to-cost method. On fixed-price contracts, we agree to perform the scope of work specified in the contract for a predetermined price. Depending on the fixed price negotiated, these contracts may provide us with an opportunity to achieve higher profits based on the relationship between our total contract costs and the contract's fixed price. However, we bear the risk that increased or unexpected costs may reduce our profit or cause us to incur a loss on the contract, which would reduce our net earnings. Although we closely monitor all programs and continuously seek opportunities, in coordination with our customers and suppliers, to mitigate future material impacts on profitability resulting from programs where we expect cost increases for labor or material, we may be unsuccessful and our net earnings may be reduced. Contract loss reserves are most commonly associated with fixed-price contracts that involve the design and development of innovative control systems to meet the customer's specifications.
Our indebtedness and restrictive covenants under our credit facilities could limit our operational and financial flexibility. We have incurred significant indebtedness and may incur additional debt as we invest in operations, research and development, capital expenditures and acquisitions in a measured and balanced way. Our ability to make interest and scheduled principal payments and operate within our covenants could be adversely impacted by changes in the availability, terms and cost of capital, changes in interest rates or changes in our credit ratings or our outlook. These changes could increase our cost of debt, limiting our ability to meet operational and capital needs, delaying our reactions to changes in market conditions and pursuing acquisition opportunities, thereby placing us at a competitive disadvantage.
The transition away from the use of the London interbank offered rate ("LIBOR") settings as an interest rate benchmark may negatively impact our debt agreements and financial position, results of operations and liquidity. On March 5, 2021, the United Kingdom’s Financial Conduct Authority published the dates that the use of LIBOR as an index for commercial loans will be phased out. Foreign currency indices, including the British pound, the Euro, and Swiss franc, along with the U.S. dollar 1-week and 2-month settings will cease after December 31, 2021. Also, after June 30, 2023, the remaining U.S. dollar settings will cease. Our most significant exposure to LIBOR relates to our revolving domestically held credit facility and securitization facility, which may be negatively impacted by renegotiated terms and costs of indebtedness associated with the latter of these transition dates. In addition, the overall financial markets may be disrupted as a result of the replacement of LIBOR, which could have an adverse effect on our cost of capital and our financial position. We continue to monitor the LIBOR transition and will work to minimize any impact.
Significant changes in discount rates, rates of return on pension assets, mortality tables and other factors could adversely affect our earnings and equity and increase our pension funding requirements. Pension costs and obligations are determined using actual results as well as actuarial valuations that involve several assumptions. The most critical assumptions are the discount rate, the long-term expected return on assets and mortality tables. Other assumptions include salary increases and retirement age. Some of these assumptions, such as the discount rate and return on pension assets, are reflective of economic conditions and largely out of our control. Despite our largest pension plan being fully funded, changes in the pension assumptions could adversely affect our earnings, equity and funding requirements.

A write-off of all or part of our goodwill or other intangible assets could adversely affect our operating results and net worth. Goodwill and other intangible assets are a substantial portion of our assets. At October 2, 2021, goodwill was $852 million and other intangible assets were $106 million of our total assets of $3.4 billion. Our goodwill and other intangible assets may increase in the future since our growth strategy includes acquisitions. However, we may have to write off all or part of our goodwill or other intangible assets if their value becomes impaired. Although this write-off would be a non-cash charge, it could reduce our earnings and our financial condition significantly. We review whether goodwill or other intangible assets have been impaired annually, or more frequently, if there have been changes in circumstances or conditions.
Unforeseen exposure to additional income tax liabilities may affect our operating results. Our distribution of taxable income is subject to domestic and, as a result of our significant manufacturing and sales presence in foreign countries, foreign tax jurisdictions. Our effective tax rate and earnings may be affected by shifts in our mix of earnings in countries with varying statutory tax rates, changes in the valuation of deferred tax assets and outcomes of any audits performed on previous tax returns. Additionally, any alterations to domestic and foreign government tax regulations or interpretations, global minimum taxes or other tax law changes could have significant impacts on our effective tax rate and on our deferred tax assets and liabilities.
Contracting on government programs is subject to significant regulation, including rules related to bidding, billing and accounting standards, and any false claims or non-compliance could subject us to fines, penalties or possible debarment. We are subject to risks associated with government program contracting, including substantial civil and criminal fines and penalties. These fines and penalties could be imposed for failing to follow procurement integrity and bidding rules, employing improper billing practices or otherwise failing to follow cost accounting standards, receiving or paying kickbacks or filing false claims. We have been, and expect to continue to be, subjected to audits and investigations by U.S. and foreign government agencies and authorities. The failure to comply with the terms of our government contracts could harm our business reputation. It could also result in our progress payments being withheld or our suspension or debarment from future government contracts, which could have a material effect on our operational and financial results.
Our operations in foreign countries expose us to currency, political and trade risks and adverse changes in local legal and regulatory environments could impact our results of operations. We have significant manufacturing and sales operations in foreign countries. In addition, our domestic operations sell to foreign customers. Our financial results may be adversely affected by fluctuations in foreign currencies and by the translation of the financial statements of our foreign subsidiaries from local currencies into U.S. dollars. Both the sales from international operations and export sales are subject in varying degrees to risks inherent in doing business outside of the United States. Such risks include the possibility of unfavorable circumstances arising from host country laws or regulations including, but not limited to privacy laws protecting personal data, changes in tariff and trade barriers and import or export licensing requirements. Uncertainty also remains with respect to trade policies and treaties between the United States and other countries including China, both where we source products and where we have large customers. Changes to tariffs or other trade restrictions may result in higher prices for aircraft, which may negatively impact customer order volume, and restrict our future orders. The potential loss of orders would negatively impact our financial results including lower sales, operating profits and cash flow. For our sales mix by country, see Note 21, Segments, of Item 8, Financial Statements and Supplementary Data, of this report.

Government regulations could limit our ability to sell our products outside the United States and otherwise adversely affect our business. Our failure to obtain, or fully adhere to the limitations contained in the requisite licenses, meet registration standards or comply with other government export regulations would hinder our ability to generate revenues from the sale of our products outside the United States. In addition, the U.S. Government has established and, from time to time, revises sanctions that restrict or prohibit U.S. companies and their subsidiaries from doing business with certain foreign countries, entities and individuals. The absence of comparable restrictions on competitors in other countries may adversely affect our competitive position. In order to sell our products in European Union countries, we must satisfy certain technical requirements. If we are unable to comply with those requirements with respect to a significant quantity of our products, our sales in Europe would be restricted. Doing business internationally also subjects us to numerous U.S. and foreign laws and regulations, including regulations relating to import-export control, technology transfer restrictions, anti-bribery, privacy regulations and anti-boycott provisions. From time to time, we may file voluntary disclosure reports with the U.S. Department of State and the Department of Commerce regarding certain violations of U.S. export laws and regulations discovered by us in the course of our business activities, employee training or internal reviews and audits. To date, our voluntary disclosures have not resulted in a fine, penalty, or export privilege denial or restriction that has materially impacted our financial condition or ability to export. Our failure, or failure by an authorized agent or representative that is attributable to us, to comply with these laws and regulations could result in administrative, civil or criminal liabilities. In the extreme case, these failures could result in financial penalties, suspension or debarment from government contracts or suspension of our export privileges, which could have a material adverse effect on us. For our sales mix by country, see Note 21, Segments, of Item 8, Financial Statements and Supplementary Data, of this report..
We are involved in various legal proceedings, the outcome of which may be unfavorable to us. Our business may be adversely impacted by the outcome of legal proceedings and other contingencies that cannot be predicted with certainty. We estimate loss contingencies and establish reserves based on our assessment where liability is deemed probable and reasonably estimable given the facts and circumstances known to us at a particular point in time. Subsequent developments may affect our assessment and estimates of the loss contingencies recognized as liabilities.
Our operations are subject to environmental laws and complying with those laws may cause us to incur significant costs. Our operations and facilities are subject to numerous stringent environmental laws and regulations. Although we believe that we are in material compliance with these laws and regulations, future changes in these laws, regulations or interpretations of them, or changes in the nature of our operations may require us to make significant capital expenditures to ensure compliance. We have been, and are currently involved in, environmental remediation activities. The cost of these activities may become significant depending on the discovery of additional environmental exposures at sites that we currently own or operate, at sites that we formerly owned or operated, or at sites to which we have sent hazardous substances or wastes for treatment, recycling or disposal.
Future terror attacks, war, natural disasters or other catastrophic events beyond our control could negatively impact our business. Terror attacks, war or other civil disturbances, natural disasters and other catastrophic events could lead to economic instability and decreased demand for commercial products, which could negatively impact our business, financial condition, results of operations and cash flows. From time to time, terrorist attacks worldwide have caused instability in global financial markets and the aviation industry. Also, our facilities and suppliers are located throughout the world and could be subject to damage from fires, floods, earthquakes or other natural or man-made disasters. Although we carry third party property insurance covering these and other risks, our inability to meet customers' schedules as a result of a catastrophe may result in the loss of customers or significantly increase costs, including penalty claims under customer contracts.
Our performance could suffer if we cannot maintain our culture as well as attract, retain and engage our employees. We believe our culture is our strongest asset and is the foundation of our business. Our culture focuses on trust, respect, collaboration, confidence and empowerment. Our strong culture allows us to recruit and retain top-level talent. Focusing on talent in the organization is one of our three company-wide initiatives, along with lean and innovation. We believe our employees and experienced leadership group are competitive advantages, as the best people, over time, produce the best results. If we are unable to carry these values forward by not attracting the most talented candidates, by not retaining and engaging our global workforce including our senior management team, or by not investing in their talent and personal development, our operational and financial performances could suffer.

Item 1B.
Unresolved Staff Comments.
Item 2.
On October 2, 2021, we occupied 5,716,000 square feet of space, distributed by segment as follows:
Square Feet
Aircraft Controls1,530,000 419,000 1,949,000 
Space and Defense Controls912,000 522,000 1,434,000 
Industrial Systems1,710,000 603,000 2,313,000 
Corporate Headquarters20,000 — 20,000 
Total4,172,000 1,544,000 5,716,000 
We have principal manufacturing facilities in the United States and countries throughout the world in the following locations:
Aircraft Controls - U.S., Philippines and United Kingdom.
Space and Defense Controls - U.S., Ireland and United Kingdom.
Industrial Systems - U.S., Germany, India, Czech Republic, Italy, Japan, United Kingdom, China, Netherlands, Costa Rica, Luxembourg, Canada, Lithuania and Philippines.
Our corporate headquarters is located in East Aurora, New York.
We believe that our properties have been adequately maintained, are generally in good condition and will be able to accommodate our capacity needs to meet current levels of demand. We continuously review our anticipated requirements for facilities and on the basis of that review, may from time to time acquire additional facilities, expand or dispose of existing facilities. Operating leases for our properties expire at various times from 2022 through 2057. Upon the expiration of our current leases, we believe that we will be able to either secure renewal terms or enter into leases for alternative locations at market terms.
Item 3.
Legal Proceedings.
From time to time, we are involved in legal proceedings. We are not a party to any pending legal proceedings that management believes will result in a material adverse effect on our financial condition, results of operations or cash flows.
Item 4.
Mine Safety Disclosures.
Not applicable.


Item 5.
Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.
Our two classes of common shares, Class A common stock and Class B common stock, are traded on the New York Stock Exchange ("NYSE") under the ticker symbols MOG.A and MOG.B.
The number of shareholders of record of Class A common stock and Class B common stock was 563 and 319, respectively, as of November 8, 2021.
The following table summarizes our purchases of our common stock for the quarter ended October 2, 2021.
Issuer Purchases of Equity Securities 
Period(a) Total
Number of
Purchased (1)(2)
(b) Average
Price Paid
Per Share
(c) Total Number
of Shares
Purchased as
Part of Publicly
Announced  Plans
or Programs (3)
(d) Maximum
Number  (or  Approx.
Dollar Value) of
Shares that May
Yet Be Purchased
Under Plans or
Programs (3)
July 4, 2021 - July 31, 20214,471 $83.34 — 2,819,277 
August 1, 2021 - August 28, 202149,300 74.53 46,724 2,772,553 
August 29, 2021 - October 2, 202121,459 75.88 15,700 2,756,853 
Total75,230 $75.44 62,424 2,756,853 

(1)Reflects purchases by the Moog Inc. Stock Employee Compensation Trust Agreement ("SECT") of shares of Class B common stock from the Moog Inc. Retirement Savings Plan ("RSP") and the Employee Stock Purchase Plan ("ESPP") as follows: 4,471 shares at $83.34 per share during July; 2,481 shares at $78.42 per share during August and 1,729 shares at $78.88 per share during September.

(2)In connection with the exercise of equity-based compensation awards, we accept delivery of shares to pay for the exercise price and withhold shares for tax withholding obligations. In August, we accepted delivery of 95 shares Class A shares at $77.01 per share; In September, we accepted delivery of 3,256 Class A shares at $78.51 per share and 774 Class B shares at $80.21 per share.

(3)On November 20, 2020, the Board of Directors approved a new share repurchase program. The program authorizes repurchases of up to 3 million common shares of Class A or Class B common stock in open market or privately negotiated transactions at the discretion of management. In August, we purchased 46,724 Class A shares at an average price of $74.32 and in September, we purchased 15,700 Class A Shares at an average price of $74.79.


Performance Graph

The following graph and tables show the performance of the Company's Class A common stock compared to the NYSE Composite-Total Return Index and the S&P Aerospace & Defense Index for a $100 investment made on September 30, 2016, including reinvestment of any dividends.

Moog Inc. - Class A Common Stock$100.00 $140.12 $145.29 $138.74 $109.70 $133.27 
NYSE Composite - Total Return Index100.00 116.74 128.19 130.79 130.97 170.11 
S&P Aerospace & Defense Index100.00 143.54 177.57 189.12 135.64 175.78 

Item 6.
    Selected Financial Data.
For a more detailed discussion of 2019 through 2021, refer to Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations of this report and Item 8, Financial Statements and Supplementary Data of this report.
(dollars in thousands, except per share data)20212020201920182017
Net sales$2,851,993 $2,884,554 $2,904,663 $2,709,468 $2,497,524 
Net earnings157,220 9,205 174,548 95,240 143,157 
Net earnings per share
Basic$4.90 $0.28 $5.01 $2.67 $3.99 
Diluted$4.87 $0.28 $4.96 $2.64 $3.95 
Weighted-average shares outstanding
Basic32,112,589 33,257,684 34,854,614 35,661,638 35,852,448 
Diluted32,297,956 33,437,801 35,178,968 36,052,307 36,230,043 
Cash and cash equivalents$99,599 $84,583 $89,702 $125,584 $368,073 
Acquisitions of businesses, net of cash acquired77,600 54,265 — 48,382 40,545 
Research and development125,528 110,865 126,453 129,838 144,157 
Share repurchase programs29,446 215,776 23,358 27 147 
Total backlog4,800,000 2,600,000 2,200,000n/an/a
Twelve-month backlog2,100,000 1,700,000 1,500,000 1,500,000 1,200,000 
Net debt to capitalization36 %40 %36 %38 %33 %
Notes and definitions for the above table:

All periods include the effects of our share repurchase programs. See the Consolidated Statements of Shareholders' Equity and Consolidated Statements of Cash Flow of Item 8, Financial Statements and Supplementary Data, of this report.
All periods include the effects of acquisitions and divestitures. See Note 3, Acquisitions and Divestitures, of Item 8, Financial Statements and Supplementary Data, of this report.
2020 includes long-lived asset impairment charges and the effect of a pension settlement in our qualified U.S. defined benefit pension plan. See the Consolidated Statements of Earnings, Note 1, Summary of Significant Accounting Policies and Note 14, Employee Benefit Plans, of Item 8, Financial Statements and Supplementary Data, of this report.
Net earnings and net earnings per share represents amounts attributable to common shareholders.
Twelve-month backlog is defined as confirmed orders we believe will be recognized as revenue within the next twelve months.
Net debt to capitalization is computed as net debt (total debt less cash and cash equivalents) divided by capitalization (the sum of net debt and shareholders’ equity).


Item 7.
 Management's Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations should be read together with our consolidated financial statements and the related notes appearing elsewhere in this report.

This discussion and analysis contains forward-looking statements that involve risks, uncertainties and assumptions. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of many factors, including but not limited to those under the heading “Risk Factors” in Item 1A of this report.
We are a worldwide designer, manufacturer and systems integrator of high performance precision motion and fluid controls and control systems for a broad range of applications in aerospace and defense and industrial markets.
Within the aerospace and defense market, our products and systems include:
Defense market - primary and secondary flight controls for military aircraft, stabilization and automatic ammunition loading controls for armored combat vehicles, tactical and strategic missile steering controls and gun aiming controls.
Commercial aircraft market - primary and secondary flight controls for commercial aircraft.
Commercial space market - satellite positioning controls and thrust vector controls, as well as integrated space vehicles.
In the industrial market, our products are used in a wide range of applications including:
Industrial automation market - components and systems for injection and blow molding machinery, heavy industry applications for steel and aluminum production, metal forming presses, flight simulation motion control systems and material and automotive structural and fatigue testing systems.
Medical market - components and systems for enteral clinical nutrition and infusion therapy pumps, CT scan medical equipment, ultrasonic sensors and surgical handpieces and sleep apnea equipment.
Energy market - control and safety components for steam and gas power generation turbines and oil and gas exploration components and systems.
We operate under three segments, Aircraft Controls, Space and Defense Controls and Industrial Systems. Our principal manufacturing facilities are located in the United States, Philippines, United Kingdom, Germany, Czech Republic, Italy, Costa Rica, China, Netherlands, Luxembourg, Japan, Canada, India and Lithuania.
Under ASC 606, 63% of revenue was recognized over time for the year ended October 2, 2021, using the cost-to-cost method of accounting. The over-time method of revenue recognition is predominantly used in Aircraft Controls and Space and Defense Controls. We use this method for U.S. Government contracts and repair and overhaul arrangements as we are creating or enhancing assets that the customer controls. In addition, many of our large commercial contracts qualify for over-time accounting as our performance does not create an asset with an alternative use and we have an enforceable right to payment for performance completed to date.
For the year ended October 2, 2021, 37% of revenue was recognized at the point in time control transferred to the customer. This method of revenue recognition is used most frequently in Industrial Systems. We use this method for commercial contracts in which the asset being created has an alternative use. We determine the point in time control transfers to the customer by weighing the five indicators provided by ASC 606. When control has transferred to the customer, profit is generated as cost of sales is recorded and as revenue is recognized.
We concentrate on providing our customers with products designed and manufactured to the highest quality standards. Our technical experts work collaboratively around the world, delivering capabilities for mission-critical solutions. These core operational principles are necessary as our products are applied in demanding applications, "When Performance Really Matters®." By capitalizing on these core foundational strengths, we believe we have achieved a leadership position in the high performance, precision controls market. Additionally, these strengths yield a broad control product portfolio, across a diverse base of customers and end markets.


By focusing on customer intimacy and commitment to solving our customers' most demanding technical problems, we have been able to expand our control product franchise to multiple markets; organically growing from a high-performance components manufacturer to a high-performance systems designer, manufacturer and systems integrator. In addition, we continue expanding our content positions on our current platforms, seeking to be the market-leading supplier in the niche markets we serve. We also look for innovation in all aspects of our business, employing new technologies to improve productivity and operational performance.

Our fundamental long-term strategies to achieve our goals center around talent, lean and innovation and include:
a strong leadership team that has positioned the Company for growth,
utilizing our global capabilities and strong engineering heritage to innovate,
maintaining our technological excellence by solving our customers’ most demanding technical problems in applications "When Performance Really Matters®,"
continuing to invest in talent development to strengthen employee performance, and
maximizing customer value by implementing lean enterprise principles.
These fundamentals will help us achieve our financial objective of increasing shareholder value with sustainable competitive advantages across our segments. In doing so, we expect to maintain a balanced, diversified portfolio in terms of markets served, product applications, customer bases and geographic presence.
We focus on improving shareholder value through strategic revenue growth, both organic and acquired, through improving operating efficiencies and manufacturing initiatives and through utilizing low cost manufacturing facilities without compromising quality. Historically, we have taken a balanced approach to capital deployment in order to maximize shareholder returns over the long-term. Our activities have included strategic acquisitions, share buybacks and dividend payments. As we continue to adapt to the changing COVID-19 environment, we believe we are well positioned to invest in our business and have returned to a balanced capital deployment strategy. We will organically invest in our operations and explore opportunities to make strategic acquisitions and return capital to shareholders.
Acquisitions and Divestitures

All of our acquisitions are accounted for under the purchase method and, accordingly, the operating results for the acquired companies are included in the Consolidated Statements of Earnings from the respective dates of acquisition. Under purchase accounting, we record assets and liabilities at fair value and such amounts are reflected in the respective captions on the Consolidated Balance Sheets. The purchase price described for each acquisition below is net of any cash acquired, includes debt issued or assumed and the fair value of contingent consideration.
In the first quarter of 2021, we acquired Genesys Aerosystems Group, Inc. ("Genesys"), headquartered in Mineral Wells, Texas for a purchase price of $78 million. Genesys designs and manufactures a full suite of electronic flight instrument systems and autopilot solutions. This operation is included in our Aircraft Controls segment.
In the first quarter of 2020, we acquired Gesellschaft für Antriebstechnik mbH and GAT Inc. ("GAT"), headquartered in Geisenheim, Germany for a purchase price of $54 million. GAT designs and manufactures high-end fluid rotating unions and slip rings. This operation is included in our Industrial Systems segment.
In the fourth quarter of 2021, we sold a non-core business of our Industrial Systems segment for $11 million in net consideration and recorded a loss in other income of $2 million.
In the third quarter of 2021, we announced that we entered into a definitive agreement to sell the assets of our Navigation Aids ("Navaids") business to Thales. Navaids is engaged in the business of designing, developing, manufacturing and marketing ground and ship-based radio frequency navigation beacons and related antennas for military and civilian applications. The business is based in Salt Lake City, Utah and is included in our Aircraft Controls segment. The transaction is subject to regulatory review and customary closing conditions.
In the first quarter of 2020, we sold a non-core business of our Industrial Systems segment for $2 million in net consideration and recorded a minimal gain in other income.

Our financial statements and accompanying notes are prepared in accordance with U.S. generally accepted accounting principles. The preparation of these consolidated financial statements requires us to make estimates, assumptions and judgments that affect the amounts reported. These estimates, assumptions and judgments are affected by our application of accounting policies, which are discussed in Note 1, Summary of Significant Accounting Policies, of Item 8, Financial Statements and Supplementary Data, of this report. We believe the accounting policies discussed below are the most critical in understanding and evaluating our financial results. These critical accounting policies have been reviewed with the Audit Committee of our Board of Directors.
Revenue Recognition on Over-Time Contracts
We recognize revenue from contracts with customers using the five-step model prescribed in ASC 606. For contracts that qualify for over time treatment, we recognize revenue as control of the promised goods or services is being transferred to the customer. Revenue recognized over time for the year ended October 2, 2021 was 63% of total revenue. The cost-to-cost method of accounting as determined by the ratio of cumulative costs incurred to date to estimated total contract costs at completion, multiplied by the total estimated contract revenue, less cumulative revenue recognized in prior periods. We believe this is an appropriate measure of progress toward satisfaction of performance obligations as this measure most accurately depicts the progress of our work and transfer of control to our customers. Changes in estimates affecting sales, costs and profits are recognized in the period in which the change becomes known using the cumulative catch-up method of accounting. Revenue and cost estimates for substantially all over-time contract performance obligations are reviewed and updated quarterly. For further information, refer to Note 2, Revenue from Contracts with Customers and Note 21,Segments, of Item 8, Financial Statements and Supplementary Data, of this report.
Contract Reserves
At October 2, 2021, we had contract reserves of $59 million. Contract reserves are comprised of contract loss reserves, recall reserves, and contract-related reserves. Contract loss reserves are recorded for open contracts where it is anticipated that contract costs will be greater than contract income and are determined considering all direct and indirect contract costs, exclusive of any selling, general or administrative cost allocations that are treated as period expenses. In accordance with ASC 606, we calculate contract losses at the contract level, versus the performance obligation level. Recall reserves are recorded when additional work is needed on completed products for them to meet contract specifications. Contract-related reserves are recorded for other reasons, such as delivery issues outside of the ordinary scope of the contract. For all three types of reserves, a provision for the entire amount of the loss is charged against income in the period in which the loss becomes known and can be reasonably estimated by management. For further information, refer to Note 2, Revenue from Contracts with Customers, of Item 8, Financial Statements and Supplementary Data, of this report.
Reserves for Inventory Valuation
At October 2, 2021, we had net inventories of $613 million, or 36% of current assets. Reserves for inventory were $156 million, or 20% of gross inventories. Inventories are stated at the lower of cost or net realizable value with cost determined primarily on the first-in, first-out method of valuation.
We record valuation reserves to provide for slow-moving or obsolete inventory by principally using a formula-based method that increases the valuation reserve as the inventory ages. We also take specific circumstances into consideration. We consider overall inventory levels in relation to firm customer backlog in addition to forecasted demand including aftermarket sales. Changes in these and other factors, such as low demand and technological obsolescence, could cause us to increase our reserves for inventory valuation, which would negatively impact our gross margin. As we record provisions within cost of sales to increase inventory valuation reserves, we establish a new, lower cost basis for the inventory.


Reviews for Impairment of Goodwill
At October 2, 2021, we had $852 million of goodwill, or 25% of total assets. We test goodwill for impairment for each of our reporting units at least annually, during our fourth quarter, and whenever events occur or circumstances change, such as changes in the business climate, poor indicators of operating performance or the sale or disposition of a significant portion of a reporting unit. We also test goodwill for impairment when there is a change in reporting units.
We identify our reporting units by assessing whether the components of our operating segments constitute businesses for which discrete financial information is available and segment management regularly reviews the operating results of those components. We aggregate certain components based upon an evaluation of the facts and circumstances, including the nature of products and services and the extent of shared assets and resources. As a result, we have four reporting units.
Companies may perform a qualitative assessment as the initial step in the annual goodwill impairment testing process for all or selected reporting units. Companies are also allowed to bypass the qualitative analysis and perform a quantitative analysis if desired. Economic uncertainties and the length of time from the calculation of a baseline fair value are factors that we consider in determining whether to perform a quantitative test.
When we evaluate the potential for goodwill impairment using a qualitative assessment, we consider factors including, but not limited to, macroeconomic conditions, industry conditions, the competitive environment, changes in the market for our products and services, regulatory and political developments, entity specific factors such as strategy and changes in key personnel and overall financial performance. If, after completing this assessment, it is determined that it is more likely than not that the fair value of a reporting unit is less than its carrying value, we proceed to a quantitative two-step impairment test.
Quantitative testing first requires a comparison of the fair value of each reporting unit to its carrying value. We principally use the discounted cash flow method to estimate the fair value of our reporting units. The discounted cash flow method incorporates various assumptions, the most significant being projected revenue growth rates, operating margins and cash flows, the terminal growth rate and the discount rate. Management projects revenue growth rates, operating margins and cash flows based on each reporting unit's current business, expected developments and operational strategies typically over a five-year period. If the carrying value of the reporting unit exceeds its fair value, goodwill is considered impaired and any loss must be measured.
In measuring the impairment loss, the implied fair value of goodwill is determined by assigning a fair value to all of the reporting unit's assets and liabilities, including any unrecognized intangible assets, as if the reporting unit had been acquired in a business combination at fair value. If the carrying amount of the reporting unit's goodwill exceeds the implied fair value of that goodwill, an impairment loss would be recognized in an amount equal to that excess.
The determination of our assumptions is subjective and requires significant estimates. Changes in these estimates and assumptions could materially affect the results of our reviews for impairment of goodwill.
For our annual test of goodwill for impairment in 2021, we performed a qualitative assessment for each of our four reporting units.
We evaluated the potential for goodwill impairment by considering macroeconomic conditions, industry and market conditions, cost factors, both current and future expected financial performance, and relevant entity-specific events for each of the reporting units. We also considered our overall market performance discretely as well as in relation to our peers. The results of our qualitative assessment indicated that is more likely than not that the fair value of each of the reporting units exceed its carrying value; and therefore, a quantitative two-step impairment test was not necessary.


Reviews for Impairment of Long-Lived Assets
Long-lived assets held for use, which primarily includes finite-lived intangible assets, property, plant and equipment and right-of-use assets, are evaluated for impairment whenever events or circumstances indicate that the undiscounted net cash flows to be generated by their use over their expected useful lives and eventual disposition are less than their carrying value. The long-term nature of these assets requires the estimation of their cash inflows and outflows several years into the future and only takes into consideration technological advances known at the time of the impairment test. For further information, refer to Note 6, Property, Plant and Equipment and Note 8, Goodwill and Intangible Assets, of Item 8, Financial Statements and Supplementary Data, of this report.
Pension Assumptions
We maintain various defined benefit pension plans covering employees at certain locations. In 2021, pension expense for all defined benefit plans was $26 million. For further information, refer to Note 14, Employee Benefit Plans, of Item 8, Financial Statements and Supplementary Data, of this report. Pension obligations and the related costs are determined using actuarial valuations that involve several assumptions. The most critical assumptions are the discount rate, the long-term expected return on assets and mortality rates. Other assumptions include salary increases and retirement age.
We use the spot rate approach to estimate the service and interest cost components of the net periodic benefit cost for most of our plans. Under this approach the service cost is determined by applying the discount rates along the yield curve to the specific service cost cash flows to determine the present value. The interest cost component is computed by using each assumed discount rate along the curve. The discount rates used in determining expense for the U.S. Employees’ Retirement Plan, our largest plan, in 2021 were 3.1% for service cost and 2.6% for interest cost, compared to 3.5% and 2.9%, respectively, in 2020. A 50 basis point decrease in the discount rates would decrease our annual pension expense by $1 million. The discount rates are used to state expected future cash flows at present value. Using a higher discount rate typically decreases the present value of pension obligations and decreases pension expense. We use the Aon Hewitt AA Above Median yield curve to determine the discount rate for our U.S. defined benefit plans at year end. We believe that the Aon Hewitt AA Above Median yield curve best mirrors the yields of bonds that would be selected by management if actions were taken to settle our obligation.
Mortality rates are used to estimate the life expectancy of plan participants during which they are expected to receive benefit payments. We use a modified version of the mortality table and projection scale published by the Society of Actuaries, which reflects improvements consistent with the Social Security Administration, as a basis for our mortality assumptions for our U.S. plans. We believe the use of this modified table and projection scale best reflects our demographics and anticipated plan outcomes.
The long-term expected return on assets assumption reflects the average rate of return expected on funds invested or to be invested to provide for the benefits included in the projected benefit obligation. In determining the long-term expected return on assets assumption, we consider our current and target asset allocations. We consider the relative weighting of plan assets, the historical performance of total plan assets and individual asset classes and economic and other indicators of future performance. Asset management objectives include maintaining an adequate level of diversification to reduce interest rate and market risk and to provide adequate liquidity to meet immediate and future benefit payment requirements. In determining the 2021 expense for our largest plan, we used a 5.0% return on assets assumption, compared to 4.5% for 2020. A 25 basis point decrease in the long-term expected return on assets assumption would increase our annual pension expense by $2 million.

Income Taxes
Our annual tax rate is based on our earnings before tax by jurisdiction, applicable statutory tax rates, the impacts of permanent differences, tax incentives and tax planning opportunities in the various jurisdictions in which we operate.  Significant judgment is required in determining our annual tax rate and in evaluating our tax positions.
An estimated annual effective tax rate is applied to our quarterly ordinary operating results. For certain significant, unusual or infrequent events, we recognize the tax impact in the quarter in which it occurs.
We record reserves against tax benefits when it’s more likely than not that we will not sustain a position if the appropriate taxing jurisdiction had full information and examined our position. We adjust these reserves when facts and circumstances change, such as when progress is made by taxing authorities in their review of our position. There is a considerable amount of judgment in making these assessments. There were no significant reserves taken in 2021. 
Valuation allowances associated with deferred tax assets is another area that requires judgment. We record a valuation allowance to reduce deferred tax assets to the amount of future tax benefit that we believe is more likely than not to be realized. We consider recent earnings projections, allowable tax carryforward periods, tax planning strategies and historical earnings performance to determine the amount of the valuation allowance. Changes in these factors could cause us to adjust our valuation allowance, which would impact our income tax expense when we determine that these factors have changed.
At October 2, 2021, we had gross deferred tax assets of $157 million and deferred tax asset valuation allowances of $14 million. The deferred tax assets principally relate to benefit accruals, inventory obsolescence, tax benefit carryforwards, contract reserves and lease liabilities. The deferred tax assets include $15 million related to tax benefit carryforwards associated with net operating losses and tax credits, for which $13 million of deferred tax asset valuation allowances are recorded. For further information, refer to Note 15, Income Taxes, of Item 8, Financial Statements and Supplementary Data, of this report.


The spread of the COVID-19 outbreak has disrupted businesses on a global scale. On March 11, 2020, the World Health Organization classified the outbreak as a pandemic. As we entered this crisis, the Company established two clear priorities: first and foremost the health and safety of our employees and their families, and second, continuing to meet the needs of our customers and secure the financial well-being of the Company. Substantially all of our operations and production activities have, to-date, remained operational. In response to the COVID-19 crisis, we implemented changes in our work practices to maintain a safe working environment for production employees at our facilities, while enabling other employees to productively work from home. As we commence bringing employees back to the workplace and return to in-person meetings with customers and suppliers, we have adopted a flexible work approach. These actions will allow for a smooth transition from COVID-19 conditions to a future that better meets the needs of the business and the interests of our employees. Additionally, we will fully comply with the U.S. Government's Safer Federal Workforce Task Force's guidelines on vaccination requirements for employees of the federal government and their contractors and subcontractors. As economic activity recovers, we will continue to monitor the situation, assessing further possible implications on our operations, supply chain, liquidity, cash flow and customer orders. We believe that our existing financial arrangements are sufficient to meet our operating needs, and have adequate borrowings under short and long-term arrangements that could provide additional relief if necessary.


The following is a discussion of our results of operations in 2021 compared to 2020. A discussion of our 2020 results of operations compared to 2019 results can be found within Part II, Item 7. Management's Discussion and Analysis within our 2020 Annual Report on Form 10-K, filed with the Securities and Exchange Commission on November 17, 2020.
2021 vs. 20202020 vs. 2019
(dollars and shares in millions, except per share data)202120202019$ Variance% Variance$ Variance% Variance
Net sales$2,852 $2,885 $2,905 $(33)(1 %)$(20)(1 %)
Gross margin27.2 %25.8 %28.1 %
Research and development expenses$126 $111 $126 $15 13 %$(16)(12 %)
Selling, general and administrative expenses as a percentage of sales14.4 %13.8 %13.9 %
Interest expense$34 $39 $39 $(5)(13 %)$— (1 %)
Restructuring expense$ $11 $— $(11)(100 %)$11 n/a
Long-lived asset impairment$2 $38 $— $(36)(96 %)$38 n/a
Pension settlement$ $121 $— $(121)(100 %)$121 n/a
Other$(1)$21 $19 $(22)(105 %)$12 %
Effective tax rate22.8 %(69.9)%23.1 %
Net earnings$157 $$175 $148 n/a$(165)(95 %)
Diluted average common shares outstanding32 33 35 (1)(3 %)(2)(5 %)
Diluted earnings per share$4.87 $0.28 $4.96 $4.59 n/a$(4.68)(94 %)
Total backlog$4,800 $2,600 $2,200 $2,200 88 %$400 14 %
Twelve-month backlog$2,100 $1,700 $1,500 $400 24 %$200 13 %
Net sales for the 2021 year are down marginally in comparison to 2020, due to the timing of the recovery from the COVID-19 pandemic. In 2021, sales were impacted by a full year of COVID-19 related pressure, as compared to 2020 where only the second half of the year was impacted. Sales growth in Space and Defense was offset by decreases within Industrial Systems and Aircraft Controls, the segments most impacted by this pandemic. Stronger foreign currencies, primarily the Euro relative to the U.S. Dollar, increased sales $34 million in the year in comparison to 2020, offsetting the real sales decrease. Additionally, the acquisition of Genesys contributed $44 million of incremental sales compared to 2020.
Gross margin increased in 2021 compared to 2020 due to the absence of last year's $23 million COVID-19 related inventory write-down. Excluding last year's COVID-19 related charges, gross margin increased marginally due to favorable sales mixes within Aircraft Controls and Industrial Systems. Also, higher sales volume within Space and Defense contributed to the increase. Partially offsetting these increases was lower sales volumes within Aircraft Controls and Industrial Systems.

Research and development expenses increased across Aircraft Controls and Industrial Systems in 2021 as compared to the prior year. The incorporation of the Genesys acquisition and higher activity across military development programs within Aircraft Controls increased research and development expenses $10 million. Research and development expenses also increased in Industrial Systems by $4 million for the year, due to higher innovation spend.
For 2021, selling, general and administrative expenses were slightly higher as a percentage of sales than the prior year, reflecting increased investments after several quarters of depressed spending throughout 2020 due to the COVID-19 pandemic.
Interest expense for fiscal 2021 decreased compared to 2020 due to lower interest rates on outstanding debt.

In 2021, we recorded $2 million of impairment charges in our Space and Defense Controls segment as we exited certain product and contract arrangements. Additionally, we incurred $4 million of portfolio refinement and other charges in Industrial Systems and Space and Defense Controls. In 2020, we incurred impairment and restructuring expenses related to the impact that the COVID-19 pandemic had on our business. Throughout 2020, we incurred $38 million of long-lived asset impairments, $23 million of inventory write-downs and $11 million of restructuring expense. Of the total expense, the charges consist of $29 million of non-cash charges for the impairment of property, plant and equipment, $23 million of non-cash inventory reserves, $10 million for severance and $9 million of non-cash charges for the impairment of intangible assets.
In the fourth quarter of 2020, we purchased a single premium non-participating group annuity contract for our retirees who are receiving benefits of our U.S. defined benefit plan, which were then transferred to an insurance company. As a result of this transaction, we incurred a $121 million non-cash pension settlement charge as we accelerated unrecognized losses held in equity into our earnings.
Other expense in 2021 included a $6 million pension curtailment gain associated with the termination of a foreign pension plan, partially offset by $2 million of losses on the sale of non-core businesses within our Industrial Systems and Aircraft Controls segments. Other expense in 2020 included $15 million of non-service pension expense, as well as a $4 million call premium, as we redeemed our $300 million aggregate principal 5.25% senior notes.
In 2021, the effective tax rate increased when compared to 2020. In 2021, we revalued our deferred tax liabilities due to an increase in the U.K. tax rate that will become effective in 2023. During 2020, the effective tax rate was low due to foreign tax credit utilization associated with a prior year tax return filing, the pension settlement in the fourth quarter and due to the lower earnings before income tax.
The change in twelve-month backlog at October 2, 2021 as compared with the twelve-month backlog at October 3, 2020 was driven by increases across all markets. Backlog increased in Aircraft Controls due to the timing of commercial aircraft orders, F-35 and additional military development programs. Backlog also increased in Space and Defense Controls driven by increases in space satellite programs and higher orders for defense control products. The Industrial Systems backlog increased due to recovering demand for core industrial and industrial components products.


Operating profit, as presented below, is net sales less cost of sales and other operating expenses, excluding interest expense, equity-based compensation expense, non-service pension expense and other corporate expenses. Cost of sales and other operating expenses are directly identifiable to the respective segment or allocated on the basis of sales, manpower or profit. Operating profit is reconciled to earnings before income taxes in Note 21, Segments, of Item 8, Financial Statements and Supplementary Data of this report.
 Aircraft Controls
2021 vs. 20202020 vs. 2019
(dollars in millions)202120202019
$  Variance
% Variance$  Variance% Variance
Net sales - military aircraft$782 $721 $622 $61 %$99 16 %
Net sales - commercial aircraft379 485 681 (105)(22 %)(196)(29 %)
$1,161 $1,206 $1,303 $(45)(4 %)$(97)(7 %)
Operating profit$97 $35 $123 $62 179 %$(88)(72 %)
Operating margin8.3 %2.9 %9.4 %
Aircraft Controls' net sales decreased in 2021 as compared to 2020 due to the continued impacts of the global COVID-19 pandemic adversely affecting commercial OEM and aftermarket programs.

Across our commercial aircraft programs, the COVID-19 pandemic greatly reduced airline traffic and orders for new aircraft. Our airframe customers refined their production forecasts and worked down their inventory levels during the second half of 2020. During the second half of 2021, U.S. domestic commercial air traffic began to recover; however, international travel has remained muted and wide-body production rates have remained pressured. In 2021 compared to 2020, commercial OEM sales declined $97 million and commercial aftermarket sales declined $8 million as the impacts of the COVID-19 pandemic affected all of our programs. Partially offsetting the declines was a $61 million sales increase across our military programs, driven by higher activity on funded development programs, higher quantities for the F-35 program and acquired sales from Genesys.

Operating margin increased in 2021 compared to 2020 due to the absence of last year's $57 million in COVID-19 related impairment and restructuring charges. Excluding these charges, adjusted operating margin in 2020 was 7.6%. In 2021 operating margin was higher than the adjusted operating margin in 2020 due to a more favorable sales mix from higher levels of military OEM sales, including foreign military, and the addition of Genesys. In addition, 2021 included an increase of $10 million in research and development expenses from continued investment in military programs and the newly acquired Genesys, which partially offset the margin increase.

Space and Defense Controls
2021 vs. 20202020 vs. 2019
(dollars in millions)
202120202019$  Variance% Variance$  Variance% Variance
Net sales
$799 $770 $683 $29 %$87 13 %
Operating profit
$88 $102 $89 $(13)(13 %)$13 14 %
Operating margin
11.1 %13.2 %13.0 %
Net sales within Space and Defense Controls in 2021 increased compared to 2020, driven by growth in our space markets.
Across our space programs, we continue benefiting from increased government spending on military applications and civil missions. Sales in our space market increased $39 million in 2021 when compared to 2020 due to increases in integrated space vehicles programs and satellite avionics programs. Partially offsetting the increase was a $10 million sales decline within our defense market. Within the defense market, sales declined $15 million in missile systems due to the timing of orders for development and production missiles. Additionally, defense sales declined $13 million in our security programs due to lower bookings. Increased orders for defense component programs and naval programs partially offset the sales declines.

Operating margin decreased in 2021 as compared to 2020 primarily due to higher costs on firm fixed price development contracts across our space and defense markets. As a result of the COVID-19 pandemic, we experienced supply chain challenges and direct labor inefficiencies. Additionally, in 2021 we recorded $2 million of impairment charges and $1 million in other charges as we exited certain product and contract arrangements.

Industrial Systems
2021 vs. 20202020 vs. 2019
(dollars in millions)202120202019$  Variance%  Variance$  Variance%  Variance
Net sales$892 $909 $918 $(17)(2 %)$(10)(1 %)
Operating profit$86 $80 $109 $%$(29)(27 %)
Operating margin9.6 %8.8 %11.9 %
Net sales in Industrial Systems declined in 2021 as compared to 2020, as the recent industrial automation recoveries were more than offset by a decline across our other industrial markets. Stronger foreign currencies, primarily the Euro relative to the U.S. Dollar, increased sales $23 million in the year in comparison to 2020, partially offsetting the real sales decrease.
The COVID-19 pandemic, and the associated macroeconomic slowdown and reduced capital investments by our customers, created productivity and demand challenges. Additionally, the decline of the global airline market weakened demand for flight simulation products. These factors started in the second half of 2020 and continued through much of fiscal 2021, leading to a sales decline of $17 million year over year. Sales decreased $18 million within our medical market, as the prior year's surge in demand related to the COVID-19 pandemic moderated. The COVID-19 pandemic also affected sales within our simulation and test markets and energy markets, resulting in $13 million and $8 million declines, respectively. Partially offsetting these declines was a $22 million sales increase in our industrial automation market, as companies began to build capacity to meet recovering demand late in the year.

Both 2021 and 2020 operating margins include COVID-19 charges. In 2021, there was $4 million of COVID-19 related charges and impairments, while in 2020 there was $14 million charges related to the COVID-19 pandemic. Excluding these charges, adjusted operating margin for 2021 and 2020 were relatively unchanged at 10.1% and 10.3%, respectively. Research and development expenses increased by $4 million, which when combined with the sales decrease and portfolio refinement charges, resulted in a slightly reduced adjusted operating margin.

2022 vs. 2021
(dollars in millions)
20222021$  Variance%  Variance
Net sales:
Aircraft Controls
$1,245 $1,161 $84 %
Space and Defense Controls
880 799 81 10 %
Industrial Systems
910 892 18 %
$3,035 $2,852 $183 %
Operating profit:
Aircraft Controls
$126 $97 $29 30 %
Space and Defense Controls
101 88 13 15 %
Industrial Systems
86 86 — — 
$313 $271 $42 16 %
Operating margin:
Aircraft Controls
10.1 %8.3 %

Space and Defense Controls
11.5 %11.1 %

Industrial Systems
9.5 %9.6 %

10.3 %9.5 %

Net earnings
$178 $157 
Diluted earnings per share
$5.30 - $5.70$4.87 
2022 Outlook We expect higher sales and general recovery across all segments to drive an increase in net sales in 2022. This growth is anticipated to be led by a recovery of legacy and recently acquired programs within commercial aircraft. We also expect increased Space and Defense sales, due mostly to higher amounts of activity in advanced space missions and satellites. In addition, we expect a modest sales recovery in Industrial Systems. We expect operating margin will increase due to operational improvements within all segments, combined with the absence of restructuring and impairment charges from 2021. Net earnings in 2022 are expected to benefit from the incremental operating margin, while holding our non-operating expense levels as a percentage of sales in line with 2021. We expect diluted earnings per share will range between $5.30 and $5.70, with a midpoint of $5.50, reflecting the continued uncertainty from the COVID-19 environment.
2022 Outlook for Aircraft Controls In 2022, within commercial aircraft programs, we anticipate an increase in sales in our legacy OEM programs, a full year of the Genesys acquisition, combined with general recoveries within business jets and commercial aftermarket programs. We also expect military sales will increase driven by both OEM and aftermarket programs, spread across helicopters, funded development programs, Genesys and F-35 aftermarket, which will offset expected declines in F-35 OEM sales. We expect operating margin will increase in 2022 due to increased sales volumes and the continuation of a more favorable sales mix driven by military OEM and aftermarket programs.
2022 Outlook for Space and Defense Controls – We expect 2022 sales in Space and Defense Controls will increase in both of our markets. Within our defense market, we expect higher sales across both U.S. and foreign programs, primarily from our new turret program, and growth in defense component sales. We expect sales in our space market to increase as well, driven by higher sales from advanced missions and satellites, partially offset by the wind down of some of our launch program sales. We expect operating margin will increase in 2022 resulting from the incremental margin from higher sales volume, in addition to the absence of charges from portfolio refinement and product line sales from 2021.
2022 Outlook for Industrial Systems – We expect a similar level of sales in 2022 as compared to 2021. In 2022, we anticipate strong sales within our medical components business, led by increased orders for sleep therapy products, as compared to 2021. We expect a modest sales increase in the simulation and test markets as they continue to recover from the effects of COVID-19. Additionally, we expect sales to be relatively unchanged in our industrial automation programs as global capital investment activity stabilizes. We expect operating margin will remain relatively unchanged in 2022 as compared to 2021, due to ongoing footprint rationalization activities and new product investments.

2021 vs. 20202020 vs. 2019
(dollars in millions)202120202019$ Variance% Variance$ Variance% Variance
Net cash provided (used) by:
Operating activities$293 $279 $181 $14 %$98 54 %
Investing activities(191)(146)(116)(45)31 %(30)26 %
Financing activities(87)(143)(99)56 (39 %)(44)45 %
Our available borrowing capacity and our cash flow from operations provide us with the financial resources needed to run our operations, reinvest in our business and make strategic acquisitions.
At October 2, 2021, our cash balances were $101 million which was primarily held outside of the U.S. Cash flow from our U.S. operations, together with borrowings on our credit facility, fund on-going activities, debt service requirements and future growth investments.
Operating activities
Net cash provided by operating activities increased in 2021 compared to 2020, driven by working capital improvements. In 2021, cash from inventories increased approximately $120 million when compared to 2020, primarily in our Aircraft Controls and Space and Defense Controls segments. Also, accounts payable used $105 million less cash than a year ago, based on the timing of vendor payments. These working capital benefits were partially offset by accounts receivable, which provided $185 million less cash than a year ago, as a result of strong year end collections in 2020. In addition, 2021 pension contributions decreased $21 million from the prior year.
We expect cash from operations in 2022 to be approximately $340 million, driven primarily by cash from the amended securitization facility, partially offset by less cash from new customer advances, as we work down existing project milestones. See Note 24, Subsequent Events, of Item 8, Financial Statements and Supplementary Data of this report for further discussion of our amended and restated receivables purchase agreement.
Investing activities
Net cash used by investing activities in 2021 included $78 million for our acquisition of Genesys and $129 million for capital expenditures. We increased our investments in capital expenditures in 2021 once the level of uncertainty from the pandemic subsided. Net cash used by investing activities in 2020 included $54 million for our acquisition of GAT and $88 million for capital expenditures.
We expect capital expenditures in 2022 to be $160 million, as we invest in facilities and infrastructure to support future growth and operational improvements.
Financing activities
Net cash used by financing activities in 2021 included $32 million of cash dividends, $30 million for our Board of Directors authorized share repurchase programs and $28 million of net repayments on our credit facilities.
Net cash used by financing activities in 2020 included the net proceeds of issuing our $500 million aggregate principal 4.25% senior notes, which were used to repay a portion of our outstanding borrowings. Additionally, financing activities in 2020 included $215 million related to repurchasing approximately 3 million shares, $95 million of net payments on long-term debt and $25 million of cash dividends.

We maintain bank credit facilities to fund our short and long-term capital requirements, including acquisitions. From time to time, we also sell debt and equity securities to fund acquisitions or take advantage of favorable market conditions.
On October 15, 2019, we amended and restated our U.S. revolving credit facility, which matures on October 15, 2024. Our U.S. revolving credit facility has a capacity of $1.1 billion and also provides an expansion option, which permits us to request an increase of up to $400 million to the credit facility upon satisfaction of certain conditions. The U.S. revolving credit facility had an outstanding balance of $322 million at October 2, 2021. The weighted-average interest rate on the majority of the outstanding credit facility borrowings was 1.59% and is principally based on LIBOR plus the applicable margin, which was 1.5% at October 2, 2021. The credit facility is secured by substantially all of our U.S. assets.
The U.S. revolving credit facility contains various covenants. The minimum for the interest coverage ratio, defined as the ratio of EBITDA to interest expense for the most recent four quarters, is 3.0. The maximum for the leverage ratio, defined as the ratio of net debt to EBITDA for the most recent four quarters, is 4.0. We are in compliance with all covenants. EBITDA is defined in the loan agreement as (i) the sum of net income, interest expense, income taxes, depreciation expense, amortization expense, other non-cash items reducing consolidated net income and non-cash equity-based compensation expenses minus (ii) other non-cash items increasing consolidated net income.
We are generally not required to obtain the consent of lenders of the U.S. revolving credit facility before raising significant additional debt financing; however, certain limitations and conditions may apply that would require consent to be obtained. In recent years, we have demonstrated our ability to secure consents to access debt markets. We have also been successful in accessing equity markets from time to time. We believe that we will be able to obtain additional debt or equity financing as needed.
The SECT has a revolving credit facility with a borrowing capacity of $35 million, maturing on July 26, 2024. Interest was 2.21% as of October 2, 2021 and is based on LIBOR plus a margin of 2.13%. As of October 2, 2021, there were $7 million of outstanding borrowings.
On December 13, 2019, we completed the sale of $500 million aggregate principal amount of 4.25% senior notes due December 15, 2027 with interest paid semiannually on June 15 and December 15 of each year, which commenced on June 15, 2020. The senior notes are unsecured obligations, guaranteed on a senior unsecured basis by certain subsidiaries and contain normal incurrence-based covenants and limitations such as the ability to incur additional indebtedness, pay dividends, make other restricted payments and investments, create liens and certain corporate acts such as mergers and consolidations. The aggregate net proceeds of $492 million were used to repay indebtedness under our U.S. revolving credit facility, thereby increasing the unused portion of our U.S. revolving credit facility. The effective interest rate for these notes after considering the amortization of deferred debt issuance costs is 4.60%.
On December 13, 2019, we issued a notice of redemption to the holders of our 5.25% senior notes due on December 1, 2022, to redeem and retire all of the outstanding notes. The notes were redeemed on January 13, 2020 at 101.313% pursuant to an early redemption right. We redeemed the aggregate principal amount of $300 million using proceeds drawn from our U.S. revolving credit facility. The associated loss on redemption includes $4 million of call premium paid to external bondholders.
We have a trade receivables securitization facility (the "Securitization Program") that matures on October 29, 2021. The Securitization Program provides up to $80 million of borrowing capacity and lowers our cost to borrow funds as compared to the U.S. revolving credit facility. Under the Securitization Program, we sell certain trade receivables and related rights to an affiliate, which in turn sells an undivided variable percentage ownership interest in the trade receivables to a financial institution, while maintaining a subordinated interest in a portion of the pool of trade receivables. We had an outstanding balance of $80 million at October 2, 2021. The Securitization Program has a minimum borrowing requirement, which was $64 million at October 2, 2021. Interest on the secured borrowings under the Securitization Program was 0.95% at October 2, 2021 and is based on 30-day LIBOR plus an applicable margin.
At October 2, 2021, we had $786 million of unused capacity, including $746 million from the U.S. revolving credit facility after considering standby letters of credit. Our leverage ratio covenant limits our unused borrowing capacity to $609 million as of October 2, 2021.
Net debt to capitalization was 36% at October 2, 2021 and 40% at October 3, 2020. The decrease in net debt to capitalization is primarily due to our net earnings, which has increased the total capitalization.

We declared and paid cash dividends of $0.25 per share on our Class A and Class B common stock in each quarter of 2021.
On November 20, 2020, the Board of Directors authorized a new share repurchase program to replace the previously existing share repurchase program. This program authorizes repurchases that includes both Class A and Class B common stock, and allows us to buy up to an aggregate 3 million common shares. Under this program, since inception we purchased approximately 243,000 shares for $19 million.
Previously, the Board of Directors authorized a share repurchase program that was amended from time to time to authorize additional repurchases that includes both Class A and Class B common stock, and allowed us to buy up to an aggregate 13 million common shares. Under this program, we purchased approximately 13 million shares for $899 million.
As we continue to adapt to the changing COVID-19 environment, we believe we are well positioned to invest in our business and have returned to a balanced capital deployment strategy. We expect to organically invest in our operations and explore opportunities to make strategic acquisitions and return capital to shareholders.
Off Balance Sheet Arrangements
We do not have any material off balance sheet arrangements that have or are reasonably likely to have a material future effect on our financial condition, results of operations or cash flows.
Contractual Obligations and Commercial Commitments
For further information on our contractual obligations and commitments as of October 2, 2021, see the notes referenced below, of Item 8, Financial Statements and Supplementary Data, of this report.
Right-of-use lease liabilities - See Note 7, Leases, for details on obligations and timing of expected future payments, including a five-year maturity schedule.

Debt Obligations and Interest Payments - See Note 9, Indebtedness, for details of our debt and timing of expected future principal and interest payments. Our current and long-term interest obligation on fixed-rate debt is $21 million and $111 million, respectively. Interest on variable-rate long-term debt, assuming the rate and outstanding balances do not change from those at October 2, 2021, would be approximately $8 million annually.

Employee Benefit Plans - See Note 14, Employee Benefit Plans, for details on our obligations and timing of expected future payments under these plans. In 2022, we have no minimum funding requirements. However, we anticipate making contributions to defined benefit pension plans of $13 million, of which approximately $5 million is for a non-qualified U.S. plan. We are unable to determine minimum funding requirements beyond 2022. We have made no discretionary incremental contributions to our defined benefit plans in excess of minimum funding requirements. We do not plan to make additional contributions for the foreseeable future.

Income Taxes - We are unable to determine if and when any unrecognized tax benefits, which are not material, will be settled, nor can we estimate any potential changes to the unrecognized tax benefits. See Note 15, Income Taxes, for additional details of tax obligations.

Commitments - Our current and long-term obligations for non-cancelable purchase commitments are $489 million and $106 million, respectively. See Note 23, Commitments and Contingencies, for additional details.


We operate within the aerospace and defense and industrial markets. Our businesses continue to face varying levels of pressure from the COVID-19 pandemic.
Our defense and aerospace businesses represented 69% of our 2021 sales. These businesses have faced, and will continue to face, modest supply chain and production level risks as a result of the COVID-19 pandemic. Conversely, they are more directly affected by program funding levels, which have remained relatively stable. Our commercial aircraft market, which represented less than 15% of our 2021 sales, continues to face the greatest pressure due to dramatic reductions in air travel throughout the past year and a half. While domestic travel has recently started to show signs of recovery, international travel remains muted.
Within our industrial markets, which represented 31% of our 2021 sales, we have seen recent signs of recovery within industrial automation; however, as the demand is starting to rebuild, we are now experiencing pressure within our material supply chains and direct labor inefficiencies. Additionally, our simulation and test and energy markets continue to face demand challenges from the macroeconomic slowdown and reduced capital investments. Our medical business, which represented less than 10% of our 2021 sales, experienced a surge in demand for our medical applications essential in the fight against the pandemic. As this surge in demand wanes, we expect a return to normal growth rates in the future.

A common factor throughout our markets is the continuing demand for technologically advanced products.
Aerospace and Defense
Within aerospace and defense, we serve three end markets: defense, commercial aircraft and space.
The defense market is dependent on military spending for development and production programs, which to-date, have not been impacted by the COVID-19 pandemic. We have a growing development program order book for future generation aircraft and hypersonic missiles, and we strive to embed our technologies within these high-performance military programs of the future. Aircraft production programs are typically long-term in nature, offering predicable capacity needs and future revenues. We maintain positions on numerous high priority programs, including the Lockheed Martin F-35 Lightning II, FA-18E/F Super Hornet and V-22 Osprey. The large installed base of our products leads to attractive aftermarket sales and service opportunities. The tactical and strategic missile, missile defense and defense controls markets are dependent on many of the same market conditions as military aircraft, including overall military spending and program funding levels. At times when there are perceived threats to national security, U.S. Defense spending can increase; at other times, defense spending can decrease. Future levels of defense spending are uncertain, subject to presidential and congressional debate and could be reduced to offset the various COVID-19 pandemic relief payments.

The commercial OEM aircraft market has depended on a number of factors, including both the last decade's increasing global demand for air travel and increasing fuel prices. Both factors contributed to the demand for new, more fuel-efficient aircraft with lower operating costs that lead to large production backlogs for Boeing and Airbus. However, the impact of the COVID-19 pandemic has drastically reduced air traffic as travel restrictions and social distancing measures were implemented to help control the spread of the virus. The reduced air traffic has applied financial pressures on airlines, and in order to preserve cash and liquidity, have dramatically reduced flight hours and delayed the purchases of new aircraft. Although U.S. domestic air travel has recently increased during the second half of 2021, international travel has not yet begun to recover. Given the uncertain length of this pandemic and associated restrictions to travel long distances, the commercial market may shift away from wide-body aircraft. Furthermore, as companies and employees become accustomed to working remotely, business travel and the associated flight hours may not reach the pre-crisis levels. As such, we believe Boeing and Airbus will continue to directionally match their wide-body aircraft production rates with the reduced air traffic volume, which has lowered their demand for our flight control systems. We believe the commercial OEM market's recovery will be heavily dependent on the return to pre-COVID-19 air traffic activity levels and therefore will face pressures for a prolonged period of time.
The commercial aftermarket is driven by usage and age of the existing aircraft fleet for passenger and cargo aircraft, which drives the need for maintenance and repairs. Given the dramatic reductions in flight hours and the airlines' cash preservation measures due to the impacts of COVID-19, we believe the demand volume for our maintenance services and spare parts will be reduced. Also, with fewer expected new aircraft deliveries, we would see lower future initial provisioning and spares sales. However, as domestic and eventually international travel begin to recover, we expect a faster recovery in this market as compared to the commercial OEM market.

The space market is comprised of four customer markets: the civil market, the department of defense market, the commercial space market and the new space market. The civil market, namely NASA, is driven by investment for commercial and exploration activities, including NASA's return to the moon. The department of defense market is driven by governmental-authorized levels of funding for satellite communications, as well as funding for hypersonic defense technologies. The commercial space market is comprised of large satellite customers, which traditionally sell to communications companies. Trends for this market, as well as for commercial launch vehicles, follow demand for increased capacity. This, in turn tends to track with underlying demand for increased consumption of telecommunication services, satellite replacements and global navigation needs. The new space market is driven by investments to increase the speed and access to space through integrated space vehicles and smaller satellites at reduced cost. Similar to the defense market, funding for these four markets have not been impacted by the COVID-19 pandemic to-date.
Within industrial, we serve two end markets: industrial, consisting of industrial automation products, simulation and test products and energy generation and exploration products; and medical.
The industrial market we serve with our industrial automation products is influenced by several factors including capital investment levels, the pace of product innovation, economic conditions, cost-reduction efforts and technology upgrades. As governments around the world implemented measures to help control the spread of the COVID-19 virus, the subsequent economic downturn constrained capital investment and slowed spending for product innovation and upgrades. During the second half of 2021, we started to see a modest recovery in these markets; however concerns regarding supply chain constraints still exist.

Our simulation and test products operate in markets that are largely affected by these same factors and investment challenges stemming from the COVID-19 pandemic. Reduced air travel and the subsequent reduction in new commercial aircraft have reduced the demand for flight simulator training, for which we supply motion control products. Similarly, the recent lower capital spend has reduced the demand for our automotive and material testing applications.

Our energy generation and exploration products operate in a market that is influenced by changing oil and natural gas prices, global urbanization and the resulting change in supply and demand for global energy. Historically, drivers for global growth include investments in power generation infrastructure and exploration of new oil and gas resources. However, the COVID-19 pandemic led to reduced oil prices, reducing the economic feasibility for these investments and explorations, which to-date, have not returned to the pre-pandemic levels.

The medical market we serve, in general, is influenced by economic conditions, regulatory environments, hospital and outpatient clinic spending on equipment, population demographics, medical advances, patient demands and the need for precision control components and systems. The outbreak of the COVID-19 virus created unprecedented demand for medical equipment and has shifted the way hospitals optimize their capacity. Our medical components products are critical motion control components for life saving medical equipment, including ventilators, oxygen concentrators and continuous positive airway pressure (CPAP) machines, among others. The COVID-19 pandemic increased the demand for ventilators, of which our products are a key component of that industry's supply chain. Additionally, our medical devices products, including infusion and enteral feeding pumps and their corresponding disposable sets, are used primarily in the home healthcare environment. Since the COVID-19 pandemic has altered the way hospitals provide care by asking non-critical patients to recuperate at home, our medical devices products saw an increase in orders. As this level of demand was directly related to pandemic, we have already moved beyond the initial surge in demand as our customers resize their inventory levels.
Foreign Currencies
We are affected by the movement of foreign currencies compared to the U.S. dollar, particularly in Aircraft Controls and Industrial Systems. About one-fifth of our 2021 sales were denominated in foreign currencies. During 2021, average foreign currency rates generally strengthened against the U.S. dollar compared to 2020. The translation of the results of our foreign subsidiaries into U.S. dollars increased sales by $34 million compared to one year ago. During 2020, average foreign currency rates generally weakened against the U.S. dollar compared to 2019. The translation of the results of our foreign subsidiaries into U.S. dollars decreased 2020 sales by $4 million compared to 2019.

See Note 1, Summary of Significant Accounting Policies, included in Item 8, Financial Statements and Supplementary Data of this report for further information regarding Financial Accounting Standards Board issued Accounting Standards Updates ("ASU").

Item 7A.    Quantitative and Qualitative Disclosures about Market Risk.
In the normal course of business, we are exposed to interest rate risk from our long-term debt and foreign exchange rate risk related to our foreign operations and foreign currency transactions. To manage these risks, we may enter into derivative instruments such as interest rate swaps and foreign currency contracts. We do not hold or issue financial instruments for trading purposes. In 2021, our derivative instruments consisted of interest rate swaps designated as cash flow hedges and foreign currency contracts.
At October 2, 2021, we had $409 million of borrowings subject to variable interest rates. At October 2, 2021, we had no outstanding interest rate swaps. During 2021, our average borrowings subject to variable interest rates, after adjusting for interest rate swaps, were $456 million and, therefore, if interest rates had been one percentage point higher during 2021, our interest expense would have been $5 million higher.
We also enter into forward contracts to reduce fluctuations in foreign currency cash flows related to third party purchases and revenue, intercompany product shipments and to reduce exposure on intercompany balances that are denominated in foreign currencies. We have foreign currency contracts with notional amounts of $172 million outstanding at October 2, 2021 that mature at various times through June 2, 2023. These include notional amounts of $151 million outstanding where the U.S. dollar is one side of the trade. The net fair value of all of our foreign currency contracts involving the U.S. dollar was a $2 million net liability at October 2, 2021. A hypothetical 10% increase in the value of the U.S. dollar against all currencies would decrease the fair value of our foreign currency contracts at October 2, 2021 by approximately $14 million, while a hypothetical 10% decrease in the value of the U.S. dollar against all currencies would increase the fair value of our foreign currency contracts at October 2, 2021 by approximately $17 million. It is important to note that gains and losses indicated in the sensitivity analysis would often be offset by gains and losses on the underlying receivables and payables.
Although the majority of our sales, expenses and cash flows are transacted in U.S. dollars, we have exposure to changes in foreign currency exchange rates such as the Euro, British pound and Japanese yen. If average annual foreign exchange rates collectively weakened or strengthened against the U.S. dollar by 10%, our net earnings in 2021 would have decreased or increased by $6 million from foreign currency translation. This sensitivity analysis assumed that each exchange rate would change in the same direction relative to the U.S. dollar and excludes the potential effects that changes in foreign currency exchange rates may have on actual transactions.

Item 8.
 Financial Statements and Supplementary Data.
Consolidated Statements of Earnings
Fiscal Years Ended
(dollars in thousands, except share and per share data)October 2, 2021October 3, 2020September 28, 2019
Net sales$2,851,993 $2,884,554 $2,904,663 
Cost of sales2,076,270 2,118,150 2,088,831 
Inventory write-down 22,708  
Gross profit775,723 743,696 815,832 
Research and development125,528 110,865 126,453 
Selling, general and administrative412,028 397,947 404,653 
Interest33,892 38,897