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Warranties (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Jun. 27, 2014
Jun. 28, 2013
Warranties [Abstract]    
Product Warranty Accrual, Balance at beginning of period $ 5,214us-gaap_ProductWarrantyAccrual $ 4,751us-gaap_ProductWarrantyAccrual
Expense accruals for warranties issued during the period 2,588us-gaap_ProductWarrantyAccrualWarrantiesIssued 2,903us-gaap_ProductWarrantyAccrualWarrantiesIssued
Less current period warranty claims paid 3,311us-gaap_ProductWarrantyAccrualPayments 2,487us-gaap_ProductWarrantyAccrualPayments
Product Warranty Accrual, Balance at end of period $ 4,491us-gaap_ProductWarrantyAccrual $ 5,167us-gaap_ProductWarrantyAccrual