3.3.0.814 html 308 442 1 false 87 0 false 13 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.haynesintl.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 00100 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.haynesintl.com/role/StatementConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.haynesintl.com/role/StatementConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.haynesintl.com/role/StatementConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.haynesintl.com/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 5 false false R6.htm 00400 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Sheet http://www.haynesintl.com/role/StatementConsolidatedStatementsOfStockholdersEquity CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statements 6 false false R7.htm 00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.haynesintl.com/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 10101 - Disclosure - Background and Organization Sheet http://www.haynesintl.com/role/DisclosureBackgroundAndOrganization Background and Organization Notes 8 false false R9.htm 10201 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 10301 - Disclosure - Inventories Sheet http://www.haynesintl.com/role/DisclosureInventories Inventories Notes 10 false false R11.htm 10401 - Disclosure - Property, Plant and Equipment Sheet http://www.haynesintl.com/role/DisclosurePropertyPlantAndEquipment Property, Plant and Equipment Notes 11 false false R12.htm 10501 - Disclosure - Accrued Expenses Sheet http://www.haynesintl.com/role/DisclosureAccruedExpenses Accrued Expenses Notes 12 false false R13.htm 10601 - Disclosure - Income Taxes Sheet http://www.haynesintl.com/role/DisclosureIncomeTaxes Income Taxes Notes 13 false false R14.htm 10701 - Disclosure - Debt Sheet http://www.haynesintl.com/role/DisclosureDebt Debt Notes 14 false false R15.htm 10801 - Disclosure - Pension Plan and Retirement Benefits Sheet http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefits Pension Plan and Retirement Benefits Notes 15 false false R16.htm 10901 - Disclosure - Commitments Sheet http://www.haynesintl.com/role/DisclosureCommitments Commitments Notes 16 false false R17.htm 11001 - Disclosure - Legal, Environmental and Other Contingencies Sheet http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingencies Legal, Environmental and Other Contingencies Notes 17 false false R18.htm 11101 - Disclosure - Stock-based Compensation Sheet http://www.haynesintl.com/role/DisclosureStockBasedCompensation Stock-based Compensation Notes 18 false false R19.htm 11201 - Disclosure - Quarterly Data (unaudited) Sheet http://www.haynesintl.com/role/DisclosureQuarterlyDataUnaudited Quarterly Data (unaudited) Notes 19 false false R20.htm 11301 - Disclosure - Segment Reporting Sheet http://www.haynesintl.com/role/DisclosureSegmentReporting Segment Reporting Notes 20 false false R21.htm 11401 - Disclosure - Valuation and Qualifying Accounts Sheet http://www.haynesintl.com/role/DisclosureValuationAndQualifyingAccounts Valuation and Qualifying Accounts Notes 21 false false R22.htm 11501 - Disclosure - Deferred Revenue Sheet http://www.haynesintl.com/role/DisclosureDeferredRevenue Deferred Revenue Notes 22 false false R23.htm 11601 - Disclosure - Fair Value Measurements Sheet http://www.haynesintl.com/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 23 false false R24.htm 11701 - Disclosure - Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component Sheet http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponent Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component Notes 24 false false R25.htm 11801 - Disclosure - Capital Lease Obligation Sheet http://www.haynesintl.com/role/DisclosureCapitalLeaseObligation Capital Lease Obligation Notes 25 false false R26.htm 11901 - Disclosure - Acquisition Sheet http://www.haynesintl.com/role/DisclosureAcquisition Acquisition Notes 26 false false R27.htm 20202 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPolicies 27 false false R28.htm 30203 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPolicies 28 false false R29.htm 30303 - Disclosure - Inventories (Tables) Sheet http://www.haynesintl.com/role/DisclosureInventoriesTables Inventories (Tables) Tables http://www.haynesintl.com/role/DisclosureInventories 29 false false R30.htm 30403 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://www.haynesintl.com/role/DisclosurePropertyPlantAndEquipmentTables Property, Plant and Equipment (Tables) Tables http://www.haynesintl.com/role/DisclosurePropertyPlantAndEquipment 30 false false R31.htm 30503 - Disclosure - Accrued Expenses (Tables) Sheet http://www.haynesintl.com/role/DisclosureAccruedExpensesTables Accrued Expenses (Tables) Tables http://www.haynesintl.com/role/DisclosureAccruedExpenses 31 false false R32.htm 30603 - Disclosure - Income Taxes (Tables) Sheet http://www.haynesintl.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.haynesintl.com/role/DisclosureIncomeTaxes 32 false false R33.htm 30803 - Disclosure - Pension Plan and Retirement Benefits (Tables) Sheet http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsTables Pension Plan and Retirement Benefits (Tables) Tables http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefits 33 false false R34.htm 30903 - Disclosure - Commitments (Tables) Sheet http://www.haynesintl.com/role/DisclosureCommitmentsTables Commitments (Tables) Tables http://www.haynesintl.com/role/DisclosureCommitments 34 false false R35.htm 31003 - Disclosure - Legal, Environmental and Other Contingencies (Tables) Sheet http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingenciesTables Legal, Environmental and Other Contingencies (Tables) Tables http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingencies 35 false false R36.htm 31103 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.haynesintl.com/role/DisclosureStockBasedCompensationTables Stock-Based Compensation (Tables) Tables 36 false false R37.htm 31203 - Disclosure - Quarterly Data (unaudited) (Tables) Sheet http://www.haynesintl.com/role/DisclosureQuarterlyDataUnauditedTables Quarterly Data (unaudited) (Tables) Tables http://www.haynesintl.com/role/DisclosureQuarterlyDataUnaudited 37 false false R38.htm 31303 - Disclosure - Segment Reporting (Tables) Sheet http://www.haynesintl.com/role/DisclosureSegmentReportingTables Segment Reporting (Tables) Tables http://www.haynesintl.com/role/DisclosureSegmentReporting 38 false false R39.htm 31403 - Disclosure - Valuation and Qualifying Accounts (Tables) Sheet http://www.haynesintl.com/role/DisclosureValuationAndQualifyingAccountsTables Valuation and Qualifying Accounts (Tables) Tables http://www.haynesintl.com/role/DisclosureValuationAndQualifyingAccounts 39 false false R40.htm 31603 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.haynesintl.com/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.haynesintl.com/role/DisclosureFairValueMeasurements 40 false false R41.htm 31703 - Disclosure - Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables) Sheet http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponentTables Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables) Tables http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponent 41 false false R42.htm 31803 - Disclosure - Capital Lease Obligation (Tables) Sheet http://www.haynesintl.com/role/DisclosureCapitalLeaseObligationTables Capital Lease Obligation (Tables) Tables http://www.haynesintl.com/role/DisclosureCapitalLeaseObligation 42 false false R43.htm 31903 - Disclosure - Acquisition (Tables) Sheet http://www.haynesintl.com/role/DisclosureAcquisitionTables Acquisition (Tables) Tables http://www.haynesintl.com/role/DisclosureAcquisition 43 false false R44.htm 40201 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 44 false false R45.htm 40202 - Disclosure - Summary of Significant Accounting Policies (Details 2) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails2 Summary of Significant Accounting Policies (Details 2) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 45 false false R46.htm 40203 - Disclosure - Summary of Significant Accounting Policies (Details 3) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails3 Summary of Significant Accounting Policies (Details 3) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 46 false false R47.htm 40204 - Disclosure - Summary of Significant Accounting Policies (Details 4) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails4 Summary of Significant Accounting Policies (Details 4) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 47 false false R48.htm 40205 - Disclosure - Summary of Significant Accounting Policies (Details 5) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails5 Summary of Significant Accounting Policies (Details 5) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 48 false false R49.htm 40206 - Disclosure - Summary of Significant Accounting Policies (Details 6) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails6 Summary of Significant Accounting Policies (Details 6) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 49 false false R50.htm 40207 - Disclosure - Summary of Significant Accounting Policies (Details 7) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails7 Summary of Significant Accounting Policies (Details 7) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 50 false false R51.htm 40208 - Disclosure - Summary of Significant Accounting Policies (Details 8) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails8 Summary of Significant Accounting Policies (Details 8) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 51 false false R52.htm 40209 - Disclosure - Summary of Significant Accounting Policies (Details 9) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails9 Summary of Significant Accounting Policies (Details 9) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 52 false false R53.htm 40210 - Disclosure - Summary of Significant Accounting Policies (Details 10) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails10 Summary of Significant Accounting Policies (Details 10) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 53 false false R54.htm 40211 - Disclosure - Summary of Significant Accounting Policies (Details 11) Sheet http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails11 Summary of Significant Accounting Policies (Details 11) Details http://www.haynesintl.com/role/DisclosureSummaryOfSignificantAccountingPoliciesTables 54 false false R55.htm 40301 - Disclosure - Inventories (Details) Sheet http://www.haynesintl.com/role/DisclosureInventoriesDetails Inventories (Details) Details http://www.haynesintl.com/role/DisclosureInventoriesTables 55 false false R56.htm 40401 - Disclosure - Property, Plant and Equipment (Details) Sheet http://www.haynesintl.com/role/DisclosurePropertyPlantAndEquipmentDetails Property, Plant and Equipment (Details) Details http://www.haynesintl.com/role/DisclosurePropertyPlantAndEquipmentTables 56 false false R57.htm 40501 - Disclosure - Accrued Expenses (Details) Sheet http://www.haynesintl.com/role/DisclosureAccruedExpensesDetails Accrued Expenses (Details) Details http://www.haynesintl.com/role/DisclosureAccruedExpensesTables 57 false false R58.htm 40601 - Disclosure - Income Taxes (Details) Sheet http://www.haynesintl.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) Details http://www.haynesintl.com/role/DisclosureIncomeTaxesTables 58 false false R59.htm 40602 - Disclosure - Income Taxes (Details 2) Sheet http://www.haynesintl.com/role/DisclosureIncomeTaxesDetails2 Income Taxes (Details 2) Details http://www.haynesintl.com/role/DisclosureIncomeTaxesTables 59 false false R60.htm 40603 - Disclosure - Income Taxes (Details 3) Sheet http://www.haynesintl.com/role/DisclosureIncomeTaxesDetails3 Income Taxes (Details 3) Details http://www.haynesintl.com/role/DisclosureIncomeTaxesTables 60 false false R61.htm 40701 - Disclosure - Debt (Details) Sheet http://www.haynesintl.com/role/DisclosureDebtDetails Debt (Details) Details http://www.haynesintl.com/role/DisclosureDebt 61 false false R62.htm 40702 - Disclosure - Debt (Details 2) Sheet http://www.haynesintl.com/role/DisclosureDebtDetails2 Debt (Details 2) Details http://www.haynesintl.com/role/DisclosureDebt 62 false false R63.htm 40801 - Disclosure - Pension Plan and Retirement Benefits (Details) Sheet http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsDetails Pension Plan and Retirement Benefits (Details) Details http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsTables 63 false false R64.htm 40802 - Disclosure - Pension Plan and Retirement Benefits (Details 2) Sheet http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsDetails2 Pension Plan and Retirement Benefits (Details 2) Details http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsTables 64 false false R65.htm 40803 - Disclosure - Pension Plan and Retirement Benefits (Details 3) Sheet http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsDetails3 Pension Plan and Retirement Benefits (Details 3) Details http://www.haynesintl.com/role/DisclosurePensionPlanAndRetirementBenefitsTables 65 false false R66.htm 40901 - Disclosure - Commitments (Details) Sheet http://www.haynesintl.com/role/DisclosureCommitmentsDetails Commitments (Details) Details http://www.haynesintl.com/role/DisclosureCommitmentsTables 66 false false R67.htm 41001 - Disclosure - Legal, Environmental and Other Contingencies (Details) Sheet http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingenciesDetails Legal, Environmental and Other Contingencies (Details) Details http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingenciesTables 67 false false R68.htm 41002 - Disclosure - Legal, Environmental and Other Contingencies (Details 2) Sheet http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingenciesDetails2 Legal, Environmental and Other Contingencies (Details 2) Details http://www.haynesintl.com/role/DisclosureLegalEnvironmentalAndOtherContingenciesTables 68 false false R69.htm 41101 - Disclosure - Stock-Based Compensation (Details) Sheet http://www.haynesintl.com/role/DisclosureStockBasedCompensationDetails Stock-Based Compensation (Details) Details http://www.haynesintl.com/role/DisclosureStockBasedCompensationTables 69 false false R70.htm 41102 - Disclosure - Stock-Based Compensation (Details 2) Sheet http://www.haynesintl.com/role/DisclosureStockBasedCompensationDetails2 Stock-Based Compensation (Details 2) Details http://www.haynesintl.com/role/DisclosureStockBasedCompensationTables 70 false false R71.htm 41103 - Disclosure - Stock-Based Compensation (Details 3) Sheet http://www.haynesintl.com/role/DisclosureStockBasedCompensationDetails3 Stock-Based Compensation (Details 3) Details http://www.haynesintl.com/role/DisclosureStockBasedCompensationTables 71 false false R72.htm 41201 - Disclosure - Quarterly Data (unaudited) (Details) Sheet http://www.haynesintl.com/role/DisclosureQuarterlyDataUnauditedDetails Quarterly Data (unaudited) (Details) Details http://www.haynesintl.com/role/DisclosureQuarterlyDataUnauditedTables 72 false false R73.htm 41301 - Disclosure - Segment Reporting (Details) Sheet http://www.haynesintl.com/role/DisclosureSegmentReportingDetails Segment Reporting (Details) Details http://www.haynesintl.com/role/DisclosureSegmentReportingTables 73 false false R74.htm 41401 - Disclosure - Valuation and Qualifying Accounts (Details) Sheet http://www.haynesintl.com/role/DisclosureValuationAndQualifyingAccountsDetails Valuation and Qualifying Accounts (Details) Details http://www.haynesintl.com/role/DisclosureValuationAndQualifyingAccountsTables 74 false false R75.htm 41501 - Disclosure - Deferred Revenue (Details) Sheet http://www.haynesintl.com/role/DisclosureDeferredRevenueDetails Deferred Revenue (Details) Details http://www.haynesintl.com/role/DisclosureDeferredRevenue 75 false false R76.htm 41601 - Disclosure - Fair Value Measurements (Details) Sheet http://www.haynesintl.com/role/DisclosureFairValueMeasurementsDetails Fair Value Measurements (Details) Details http://www.haynesintl.com/role/DisclosureFairValueMeasurementsTables 76 false false R77.htm 41701 - Disclosure - Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) Sheet http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponentDetails Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) Details http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponentTables 77 false false R78.htm 41702 - Disclosure - Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details 2) Sheet http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponentDetails2 Comprehensive Income (Loss) and Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details 2) Details http://www.haynesintl.com/role/DisclosureComprehensiveIncomeLossAndChangesInAccumulatedOtherComprehensiveIncomeLossByComponentTables 78 false false R79.htm 41801 - Disclosure - Capital lease obligation (Details) Sheet http://www.haynesintl.com/role/DisclosureCapitalLeaseObligationDetails Capital lease obligation (Details) Details 79 false false R80.htm 41901 - Disclosure - Acquisition (Details) Sheet http://www.haynesintl.com/role/DisclosureAcquisitionDetails Acquisition (Details) Details http://www.haynesintl.com/role/DisclosureAcquisitionTables 80 false false All Reports Book All Reports In ''CONSOLIDATED BALANCE SHEETS'', column(s) 3, 4 are contained in other reports, so were removed by flow through suppression. In ''CONSOLIDATED STATEMENTS OF OPERATIONS'', column(s) 2, 4, 6, 8, 10, 12, 14, 16 are contained in other reports, so were removed by flow through suppression. In ''CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)'', column(s) 1, 2, 3, 4, 5, 6, 7, 8 are contained in other reports, so were removed by flow through suppression. In ''CONSOLIDATED STATEMENTS OF CASH FLOWS'', column(s) 1, 2, 3, 4, 5, 6, 7, 8 are contained in other reports, so were removed by flow through suppression. hayn-20150930.xml hayn-20150930_cal.xml hayn-20150930_def.xml hayn-20150930_lab.xml hayn-20150930_pre.xml hayn-20150930.xsd true true