2.4.0.6 Html 263 465 1 true 61 0 false 4 false false R1.htm 000100 - Document - Document and Entity Information Sheet http://twindisc.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 010000 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://twindisc.com/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS false false R3.htm 010100 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://twindisc.com/role/ConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R4.htm 020000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Sheet http://twindisc.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncomeLoss CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) false false R5.htm 030000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://twindisc.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS false false R6.htm 040000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Sheet http://twindisc.com/role/ConsolidatedStatementsOfChangesInEquity CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY false false R7.htm 060100 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Sheet http://twindisc.com/role/SignificantAccountingPolicies SIGNIFICANT ACCOUNTING POLICIES false false R8.htm 060200 - Disclosure - INVENTORIES Sheet http://twindisc.com/role/Inventories INVENTORIES false false R9.htm 060300 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Sheet http://twindisc.com/role/PropertyPlantAndEquipment PROPERTY, PLANT AND EQUIPMENT false false R10.htm 060400 - Disclosure - GOODWILL AND OTHER INTANGIBLES Sheet http://twindisc.com/role/GoodwillAndOtherIntangibles GOODWILL AND OTHER INTANGIBLES false false R11.htm 060500 - Disclosure - ACCRUED LIABILITIES Sheet http://twindisc.com/role/AccruedLiabilities ACCRUED LIABILITIES false false R12.htm 060600 - Disclosure - WARRANTY Sheet http://twindisc.com/role/Warranty WARRANTY false false R13.htm 060700 - Disclosure - DEBT Sheet http://twindisc.com/role/Debt DEBT false false R14.htm 060800 - Disclosure - LEASE COMMITMENTS Sheet http://twindisc.com/role/LeaseCommitments LEASE COMMITMENTS false false R15.htm 060900 - Disclosure - SHAREHOLDERS' EQUITY Sheet http://twindisc.com/role/ShareholdersEquity SHAREHOLDERS' EQUITY false false R16.htm 061000 - Disclosure - BUSINESS SEGMENTS AND FOREIGN OPERATIONS Sheet http://twindisc.com/role/BusinessSegmentsAndForeignOperations BUSINESS SEGMENTS AND FOREIGN OPERATIONS false false R17.htm 061100 - Disclosure - STOCK-BASED COMPENSATION Sheet http://twindisc.com/role/StockbasedCompensation STOCK-BASED COMPENSATION false false R18.htm 061200 - Disclosure - ENGINEERING AND DEVELOPMENT COSTS Sheet http://twindisc.com/role/EngineeringAndDevelopmentCosts ENGINEERING AND DEVELOPMENT COSTS false false R19.htm 061300 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlans PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS false false R20.htm 061400 - Disclosure - INCOME TAXES Sheet http://twindisc.com/role/IncomeTaxes INCOME TAXES false false R21.htm 061500 - Disclosure - CONTINGENCIES Sheet http://twindisc.com/role/Contingencies CONTINGENCIES false false R22.htm 061600 - Schedule - VALUATION AND QUALIFYING ACCOUNTS Sheet http://twindisc.com/role/ValuationAndQualifyingAccounts VALUATION AND QUALIFYING ACCOUNTS false false R23.htm 070100 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://twindisc.com/role/SignificantAccountingPoliciesPolicies SIGNIFICANT ACCOUNTING POLICIES (Policies) false false R24.htm 080200 - Disclosure - INVENTORIES (Tables) Sheet http://twindisc.com/role/InventoriesTables INVENTORIES (Tables) false false R25.htm 080300 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) Sheet http://twindisc.com/role/PropertyPlantAndEquipmentTables PROPERTY, PLANT AND EQUIPMENT (Tables) false false R26.htm 080400 - Disclosure - GOODWILL AND OTHER INTANGIBLES (Tables) Sheet http://twindisc.com/role/GoodwillAndOtherIntangiblesTables GOODWILL AND OTHER INTANGIBLES (Tables) false false R27.htm 080500 - Disclosure - ACCRUED LIABILITIES (Tables) Sheet http://twindisc.com/role/AccruedLiabilitiesTables ACCRUED LIABILITIES (Tables) false false R28.htm 080600 - Disclosure - WARRANTY (Tables) Sheet http://twindisc.com/role/WarrantyTables WARRANTY (Tables) false false R29.htm 080700 - Disclosure - DEBT (Tables) Sheet http://twindisc.com/role/DebtTables DEBT (Tables) false false R30.htm 080800 - Disclosure - LEASE COMMITMENTS (Tables) Sheet http://twindisc.com/role/LeaseCommitmentsTables LEASE COMMITMENTS (Tables) false false R31.htm 080900 - Disclosure - SHAREHOLDERS' EQUITY (Tables) Sheet http://twindisc.com/role/ShareholdersEquityTables SHAREHOLDERS' EQUITY (Tables) false false R32.htm 081000 - Disclosure - BUSINESS SEGMENTS AND FOREIGN OPERATIONS (Tables) Sheet http://twindisc.com/role/BusinessSegmentsAndForeignOperationsTables BUSINESS SEGMENTS AND FOREIGN OPERATIONS (Tables) false false R33.htm 081100 - Disclosure - STOCK-BASED COMPENSATION (Tables) Sheet http://twindisc.com/role/StockbasedCompensationTables STOCK-BASED COMPENSATION (Tables) false false R34.htm 081300 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables) Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlansTables PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Tables) false false R35.htm 081400 - Disclosure - INCOME TAXES (Tables) Sheet http://twindisc.com/role/IncomeTaxesTables INCOME TAXES (Tables) false false R36.htm 090100 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details) Sheet http://twindisc.com/role/SignificantAccountingPoliciesDetails SIGNIFICANT ACCOUNTING POLICIES (Details) false false R37.htm 090200 - Disclosure - INVENTORIES (Details) Sheet http://twindisc.com/role/InventoriesDetails INVENTORIES (Details) false false R38.htm 090300 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details) Sheet http://twindisc.com/role/PropertyPlantAndEquipmentDetails PROPERTY, PLANT AND EQUIPMENT (Details) false false R39.htm 090400 - Disclosure - GOODWILL AND OTHER INTANGIBLES (Details) Sheet http://twindisc.com/role/GoodwillAndOtherIntangiblesDetails GOODWILL AND OTHER INTANGIBLES (Details) false false R40.htm 090500 - Disclosure - ACCRUED LIABILITIES (Details) Sheet http://twindisc.com/role/AccruedLiabilitiesDetails ACCRUED LIABILITIES (Details) false false R41.htm 090600 - Disclosure - WARRANTY (Details) Sheet http://twindisc.com/role/WarrantyDetails WARRANTY (Details) false false R42.htm 090700 - Disclosure - DEBT (Details) Sheet http://twindisc.com/role/DebtDetails DEBT (Details) false false R43.htm 090800 - Disclosure - LEASE COMMITMENTS (Details) Sheet http://twindisc.com/role/LeaseCommitmentsDetails LEASE COMMITMENTS (Details) false false R44.htm 090900 - Disclosure - SHAREHOLDERS' EQUITY (Details) Sheet http://twindisc.com/role/ShareholdersEquityDetails SHAREHOLDERS' EQUITY (Details) false false R45.htm 091000 - Disclosure - BUSINESS SEGMENTS AND FOREIGN OPERATIONS (Details) Sheet http://twindisc.com/role/BusinessSegmentsAndForeignOperationsDetails BUSINESS SEGMENTS AND FOREIGN OPERATIONS (Details) false false R46.htm 091100 - Disclosure - STOCK-BASED COMPENSATION (Details) Sheet http://twindisc.com/role/StockbasedCompensationDetails STOCK-BASED COMPENSATION (Details) false false R47.htm 091200 - Disclosure - ENGINEERING AND DEVELOPMENT COSTS (Details) Sheet http://twindisc.com/role/EngineeringAndDevelopmentCostsDetails ENGINEERING AND DEVELOPMENT COSTS (Details) false false R48.htm 091300 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details) Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlansDetails PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details) false false R49.htm 091302 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, PLAN ASSETS USING FAIR VALUE HIERARCHY (Details) Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlansPlanAssetsUsingFairValueHierarchyDetails PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, PLAN ASSETS USING FAIR VALUE HIERARCHY (Details) false false R50.htm 091304 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, RECONCILIATION OF FAIR VALUE MEASUREMENTS USING SIGNIFICANT UNOBSERVABLE INPUTS (Details) Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlansReconciliationOfFairValueMeasurementsUsingSignificantUnobservableInputsDetails PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, RECONCILIATION OF FAIR VALUE MEASUREMENTS USING SIGNIFICANT UNOBSERVABLE INPUTS (Details) false false R51.htm 091306 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, CASH FLOWS (Details) Sheet http://twindisc.com/role/PensionAndOtherPostretirementBenefitPlansCashFlowsDetails PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, CASH FLOWS (Details) false false R52.htm 091400 - Disclosure - INCOME TAXES (Details) Sheet http://twindisc.com/role/IncomeTaxesDetails INCOME TAXES (Details) false false R53.htm 091600 - Schedule - VALUATION AND QUALIFYING ACCOUNTS (Details) Sheet http://twindisc.com/role/ValuationAndQualifyingAccountsDetails VALUATION AND QUALIFYING ACCOUNTS (Details) false false All Reports Book All Reports Element us-gaap_LineOfCreditFacilityInterestRateDuringPeriod had a mix of decimals attribute values: 2 3. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue had a mix of decimals attribute values: 1 2. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice had a mix of decimals attribute values: 0 2. Element us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 had a mix of decimals attribute values: 0 2. 'Monetary' elements on report '091300 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '091400 - Disclosure - INCOME TAXES (Details)' had a mix of different decimal attribute values. Process Flow-Through: 010000 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Jun. 30, 2010' Process Flow-Through: Removing column 'Jun. 30, 2009' Process Flow-Through: 010100 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 020000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Process Flow-Through: 030000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS twin-20120630.xml twin-20120630.xsd twin-20120630_cal.xml twin-20120630_def.xml twin-20120630_lab.xml twin-20120630_pre.xml true true