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Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 30, 2016
Jan. 01, 2016
Warranties [Abstract]    
Warranties, Balance at beginning of period $ 4,326 $ 4,301
Expense accruals for warranties issued during the period 1,448 1,128
Less current period warranty claims paid 993 1,171
Warranties, Balance at end of period $ 4,781 $ 4,258