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Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Mar. 29, 2015
Mar. 30, 2014
Effective Income Tax Rate Reconciliation, Percent 26.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 46.70%us-gaap_EffectiveIncomeTaxRateContinuingOperations 37.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 39.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Income Taxes Paid $ 164,000us-gaap_IncomeTaxesPaid   $ 168,000us-gaap_IncomeTaxesPaid  
Proceeds from Income Tax Refunds $ 236,000us-gaap_ProceedsFromIncomeTaxRefunds