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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Advertising & Promotions) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 29, 2017
Sep. 30, 2016
Oct. 02, 2015
Accounting Policies [Abstract]      
Advertising and promotions expense $ 24,349 $ 23,611 $ 24,460
Capitalized advertising costs $ 621 $ 866