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Income Taxes (Details) (USD $)
6 Months Ended
Dec. 26, 2014
Dec. 27, 2013
Income Taxes [Abstract]    
Effective income tax rate (in hundredths) 35.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations 62.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Income Tax Examination [Line Items]    
Unrecognized tax benefits if recognized would favorably impact effective tax rate $ 803,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate  
Italy, Canada, Belgium, and Japan [Member]    
Income Tax Examination [Line Items]    
Tax years that remain subject to examination 2009 through 2013  
U.S. [Member]    
Income Tax Examination [Line Items]    
Tax years that remain subject to examination subsequent to fiscal 2011  
Amended State Returns [Member]    
Income Tax Examination [Line Items]    
Unrecognized tax benefits if recognized would favorably impact effective tax rate 100,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
/ us-gaap_IncomeTaxAuthorityAxis
= twin_AmendedStateAndLocalJurisdictionMember
 
Tax years that remain subject to examination 2010 through 2013  
Wisconsin State [Member]    
Income Tax Examination [Line Items]    
Unrecognized tax benefits if recognized would favorably impact effective tax rate 1,100,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
 
Audit Settlement $ 1,300,000twin_AuditSettlement
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
 
Tax years that remain subject to examination 2001 through 2009