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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS Share Repurchase Program (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Aug. 15, 2017
Share Repurchases [Line Items]        
Treasury Stock, Shares, Acquired (944,840.00)      
Stock Repurchased During Period, Value $ 18,200      
Payments for Repurchase of Common Stock 18,197 $ 14,551 $ 75,715  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 88,800      
August 2017 Share Repurchase Program [Member]        
Share Repurchases [Line Items]        
Stock Repurchase Program, Authorized Amount       $ 100,000
Stock Repurchase Program, Period 3 years