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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Matching contributions to the Plan) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 03, 2021
Mar. 28, 2020
Apr. 03, 2021
Mar. 28, 2020
401(k) Cash Contributions        
Cash $ 447 $ 352 $ 866 $ 709