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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. 01, 2017
Apr. 02, 2016
Apr. 01, 2017
Apr. 02, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Cash $ 504 $ 425 $ 917 $ 818