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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureInvestmentsAdditionalInformationDetail" id="Role_DisclosureInvestmentsAdditionalInformationDetail"> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureInventoriesMajorClassificationsOfInventoriesDetail" id="Role_DisclosureInventoriesMajorClassificationsOfInventoriesDetail"> |
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| <link:definition> 100470 - Disclosure - Equity - Based Compensation - Restricted stock units granted (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureEquityBasedCompensationAdditionalInformationDetail" id="Role_DisclosureEquityBasedCompensationAdditionalInformationDetail"> |
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| <link:definition> 100490 - Disclosure - Income (Loss) Per Share - Reconciliation of Numerators and Denominators of Basic and Diluted Income (Loss) Per Share (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureProductWarrantyLiabilityAdditionalInformationDetail" id="Role_DisclosureProductWarrantyLiabilityAdditionalInformationDetail"> |
| <link:definition> 100510 - Disclosure - Product Warranty Liability - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureCashFlowStatementAdditionalInformationDetail" id="Role_DisclosureCashFlowStatementAdditionalInformationDetail"> |
| <link:definition> 100520 - Disclosure - Cash Flow Statement - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureEmployeeBenefitPlansComponentsOfPostretirementBenefitCostAndPensionCostDetail" id="Role_DisclosureEmployeeBenefitPlansComponentsOfPostretirementBenefitCostAndPensionCostDetail"> |
| <link:definition> 100530 - Disclosure - Employee Benefit Plans - Components of Postretirement Benefit Cost and Pension Cost (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureEmployeeBenefitPlansAdditionalInformationDetail" id="Role_DisclosureEmployeeBenefitPlansAdditionalInformationDetail"> |
| <link:definition> 100540 - Disclosure - Employee Benefit Plans - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" id="Role_DisclosureIncomeTaxesAdditionalInformationDetail"> |
| <link:definition> 100550 - Disclosure - Income Taxes - Additional Information (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureChangesInAccumulatedOtherComprehensiveLossChangesInAccumulatedOtherComprehensiveLossByComponentDetail" id="Role_DisclosureChangesInAccumulatedOtherComprehensiveLossChangesInAccumulatedOtherComprehensiveLossByComponentDetail"> |
| <link:definition> 100560 - Disclosure - Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) </link:definition> |
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| <link:definition> 100570 - Disclosure - Changes in Accumulated Other Comprehensive Loss - Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetail" id="Role_DisclosureLeasesAdditionalInformationDetail"> |
| <link:definition> 100580 - Disclosure - Leases - Additional Information (Detail) </link:definition> |
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| <link:definition> 100590 - Disclosure - Leases - Summary of Weighted Average Remaining Lease Term and Discount Rate for Finance and Operating Leases (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetail" id="Role_DisclosureLeasesSummaryOfComponentsOfLeaseExpenseDetail"> |
| <link:definition> 100600 - Disclosure - Leases - Summary of Components of Lease Expense (Detail) </link:definition> |
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| <link:definition> 100610 - Disclosure - Leases - Future Minimum Payments Required under Non-cancelable Leases (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetail" id="Role_DisclosureDebtAdditionalInformationDetail"> |
| <link:definition> 100620 - Disclosure - Debt - Additional Information (Detail) </link:definition> |
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| <link:definition> 100630 - Disclosure - Leases - Future Minimum Payments Required under Non-cancelable Leases (Detail)2 </link:definition> |
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| <link:definition> 100640 - Disclosure - Debt - Schedule of Long Term Debt (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/DisclosureDebtScheduleOfFutureMinimumPaymentsDetail" id="DisclosureDebtScheduleOfFutureMinimumPaymentsDetail"> |
| <link:definition> 100650 - Disclosure - Debt - Schedule of Future Minimum Payments (Detail) </link:definition> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureAccountingAndReportingChangesAdditionalInformationDetail" id="Role_DisclosureAccountingAndReportingChangesAdditionalInformationDetail"> |
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| | | <link:roleType roleURI="http://www.graham-mfg.com/20220930/taxonomy/role/Role_DisclosureOtherOperatingIncomeNetAdditionalInformationDetail" id="Role_DisclosureOtherOperatingIncomeNetAdditionalInformationDetail"> |
| <link:definition> 100670 - Disclosure - Other Operating Income, Net - Additional Information (Detail) </link:definition> |
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| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element id="ghm_DenominatorAbstract" name="DenominatorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_DenominatorDilutedIncomeAbstract" name="DenominatorDilutedIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_FinanceLeaseAbstract" name="FinanceLeaseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_NumeratorAbstract" name="NumeratorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_NumeratorDilutedIncomeAbstract" name="NumeratorDilutedIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_OperatingLeasesAbstract" name="OperatingLeasesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_SummaryOfBasicAndDilutedEarningsPerShareAbstract" name="SummaryOfBasicAndDilutedEarningsPerShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_AmortizationOfActuarialLosses" name="AmortizationOfActuarialLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_BackEndFeeCharged" name="BackEndFeeCharged" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensation" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerDeposits" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAsset" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnbilledRevenue" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedUnbilledRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ChangeInContractWithCustomerAsset" name="ChangeInContractWithCustomerAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ChangeInContractWithCustomerAssetLiabilityNet" name="ChangeInContractWithCustomerAssetLiabilityNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ChangeInContractWithCustomerLiability" name="ChangeInContractWithCustomerLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ChangeInFairValueOfContingentConsideration" name="ChangeInFairValueOfContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ContractWithCustomerLiabilityConsiderationReceivable" name="ContractWithCustomerLiabilityConsiderationReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ContractWithCustomerLiabilityConsiderationReceived" name="ContractWithCustomerLiabilityConsiderationReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ContractWithCustomerLiabilityRevenueRecognizedIncludingAcquisition" name="ContractWithCustomerLiabilityRevenueRecognizedIncludingAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ContractWithCustomerNetAssetLiabilityCurrent" name="ContractWithCustomerNetAssetLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ContractWithCustomerReceivablesBilledButNotPaidUnderRetainage" name="ContractWithCustomerReceivablesBilledButNotPaidUnderRetainage" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_FinanceLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive" name="FinanceLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" name="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_HeldToMaturitySecuritiesOriginalMaturityPeriod" name="HeldToMaturitySecuritiesOriginalMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_IncreaseDecreaseInAccruedCompensationAccruedExpensesAndOtherCurrentAndNonCurrentLiabilities" name="IncreaseDecreaseInAccruedCompensationAccruedExpensesAndOtherCurrentAndNonCurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_IncreaseDecreaseInDefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" name="IncreaseDecreaseInDefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_IncreaseDecreaseInLongTermPortionOfAccruedCompensationAccruedPensionLiabilityAndAccruedPostretirementBenefits" name="IncreaseDecreaseInLongTermPortionOfAccruedCompensationAccruedPensionLiabilityAndAccruedPostretirementBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_IncreaseDecreaseInOperatingLeaseLiabilities" name="IncreaseDecreaseInOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_IncreaseDecreaseInOperatingLeaseRightOfUseAsset" name="IncreaseDecreaseInOperatingLeaseRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross" name="IndefiniteLivedIntangibleAssetsExcludingGoodwillGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_IndefiniteLivedIntangibleAssetsWeightedAverageAmortizationPeriod" name="IndefiniteLivedIntangibleAssetsWeightedAverageAmortizationPeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_LesseeOperatingAndFinanceLeaseRemainingTermOfContract" name="LesseeOperatingAndFinanceLeaseRemainingTermOfContract" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_LesseeOperatingLeaseAndFinanceLeaseOptionToRenewOrTerminate" name="LesseeOperatingLeaseAndFinanceLeaseOptionToRenewOrTerminate" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive" name="LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_LetterOfCreditCommitmentFeePercentage" name="LetterOfCreditCommitmentFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_LineOfCreditFee" name="LineOfCreditFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_MaximumLeverageRatio" name="MaximumLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_MaximumLeverageRatioCovenantPeriodUponClosingOfAcquisition" name="MaximumLeverageRatioCovenantPeriodUponClosingOfAcquisition" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_MaximumLeverageRatioUponAcquisition" name="MaximumLeverageRatioUponAcquisition" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_MinimumFixedChargeCoverageRatio" name="MinimumFixedChargeCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_MinimumFundedDebtToEarningsBeforeInterestTaxesDepreciationAndAmortization" name="MinimumFundedDebtToEarningsBeforeInterestTaxesDepreciationAndAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_MinimumFundedDebtToLiquidityFromAndAfterOccurrenceOfComplianceDate" name="MinimumFundedDebtToLiquidityFromAndAfterOccurrenceOfComplianceDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_MinimumFundsDebtToLiquidityPriorToOccurrenceOfComplianceDate" name="MinimumFundsDebtToLiquidityPriorToOccurrenceOfComplianceDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_NoncashOrPartNoncashAcquisitionEquityInstrumentConsiderationValueOfTreasurySharesIssued" name="NoncashOrPartNoncashAcquisitionEquityInstrumentConsiderationValueOfTreasurySharesIssued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_OperatingLeaseAnnualIncreaseInLeasePayments" name="OperatingLeaseAnnualIncreaseInLeasePayments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_PensionAdjustmentsNetOfIncomeTax" name="PensionAdjustmentsNetOfIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_PercentageOfMinimumMarginedAssetsOnOutstandingFacility" name="PercentageOfMinimumMarginedAssetsOnOutstandingFacility" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_PercentageOfRevenueFromContractsWithCustomersExcludingAssessedTaxPerformanceObligationSatisfiedAtPointInTime" name="PercentageOfRevenueFromContractsWithCustomersExcludingAssessedTaxPerformanceObligationSatisfiedAtPointInTime" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_PercentageOfRevenueFromContractsWithCustomersExcludingAssessedTaxPerformanceObligationSatisfiedOverTime" name="PercentageOfRevenueFromContractsWithCustomersExcludingAssessedTaxPerformanceObligationSatisfiedOverTime" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_ProductWarrantyAccrualAcquired" name="ProductWarrantyAccrualAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ProductWarrantyIncome" name="ProductWarrantyIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ProductWarrantyIncomeExpense" name="ProductWarrantyIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_RepaymentsOnLeaseFinancingObligations" name="RepaymentsOnLeaseFinancingObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_SelfInsuredMedicalPlanLiability" name="SelfInsuredMedicalPlanLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_SellingGeneralAndAdministrativeAmortizationExpense" name="SellingGeneralAndAdministrativeAmortizationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="ghm_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommonStockAuthorizedForPurchase" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCommonStockAuthorizedForPurchase" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumDiscountFromMarketPrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumDiscountFromMarketPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRemainingAvailableForGrant2000Plan" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRemainingAvailableForGrant2000Plan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_TermLoan" name="TermLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="ghm_ContractWithCustomerAssetsAndLiabilitiesLineItems" name="ContractWithCustomerAssetsAndLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_IncomeTaxesLineItems" name="IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_LeasesLineItems" name="LeasesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_OtherOperatingIncomeNetLineItems" name="OtherOperatingIncomeNetLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_AccumulatedDefinedBenefitPlansAdjustmentNetActuarialGainLossesMember" name="AccumulatedDefinedBenefitPlansAdjustmentNetActuarialGainLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_AccumulatedDefinedBenefitPlansAdjustmentNetActuarialLossesMember" name="AccumulatedDefinedBenefitPlansAdjustmentNetActuarialLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_AgreementMember" name="AgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_AllOtherCountriesMember" name="AllOtherCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BacklogMember" name="BacklogMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BankOfAmericaMember" name="BankOfAmericaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BankOfAmericaTermLoanMember" name="BankOfAmericaTermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BarberNicholsIncMember" name="BarberNicholsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BarberNicholsLLCMember" name="BarberNicholsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_BloombergShortTermBankYieldIndexMember" name="BloombergShortTermBankYieldIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_ChemicalPetrochemicalMember" name="ChemicalPetrochemicalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_CustomerDepositsMember" name="CustomerDepositsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_DefenseMember" name="DefenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_DirectorsMember" name="DirectorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_FiveYearTermLoanWithBankOfAmericaMember" name="FiveYearTermLoanWithBankOfAmericaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_FloorRateMember" name="FloorRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_HSBCBankUSAMember" name="HSBCBankUSAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_LetterOfCreditSecuredByCashMember" name="LetterOfCreditSecuredByCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_OfficersAndKeyEmployeesMember" name="OfficersAndKeyEmployeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_OtherCommercialMember" name="OtherCommercialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_PerformanceVestedRestrictedStockMember" name="PerformanceVestedRestrictedStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_RefiningMember" name="RefiningMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_SpaceMember" name="SpaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_StockCompensationPriorPlanMember" name="StockCompensationPriorPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_TechnologyAndTechnicalKnowHowMember" name="TechnologyAndTechnicalKnowHowMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_TimeVestedRestrictedStockMember" name="TimeVestedRestrictedStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_TransactionAgreementMember" name="TransactionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_TwoThousandIncentivePlanMember" name="TwoThousandIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_ContractWithCustomerAssetsAndLiabilitiesTable" name="ContractWithCustomerAssetsAndLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_IncomeTaxesTable" name="IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_LeasesTable" name="LeasesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_OtherOperatingIncomeNetTable" name="OtherOperatingIncomeNetTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="ghm_LesseeOperatingAndFinanceLeaseLiabilityMaturityTableTextBlock" name="LesseeOperatingAndFinanceLeaseLiabilityMaturityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateForFinanceAndOperatingLeasesTableTextBlock" name="ScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateForFinanceAndOperatingLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="ghm_LesseeOperatingAndFinanceLeasesTextBlock" name="LesseeOperatingAndFinanceLeasesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| </xsd:schema> |