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Capital Assets (Narrative) (Details) - USD ($)
12 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Sep. 27, 2014
Capital Assets [Abstract]      
Goodwill impairment $ 0 $ 0  
Amortization expense $ 5,517,000 $ 4,058,000 $ 3,918,000