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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Shipping And Handling Costs) (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 02, 2020
Sep. 27, 2019
Sep. 28, 2018
Disaggregation of Revenue [Line Items]      
Cost of sales $ 329,216 $ 312,663 $ 302,408
Shipping and Handling      
Disaggregation of Revenue [Line Items]      
Cost of sales $ 12,651 $ 12,409 $ 11,846