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Summary Of Significant Accounting Policies (Advertising & Promotions) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2016
Oct. 02, 2015
Oct. 03, 2014
Summary Of Significant Accounting Policies [Abstract]      
Advertising and Promotions Expense $ 23,611 $ 24,460 $ 22,135
Capitalized Advertising Costs $ 866 $ 1,049