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Summary Of Significant Accounting Policies (Shipping And Handling Costs) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Oct. 02, 2015
Oct. 03, 2014
Summary Of Significant Accounting Policies [Abstract]      
Shipping and Handling Costs $ 10,240 $ 10,838 $ 10,675