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RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS (Comprehensive Income) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net income $ 36,313 $ 32,670 $ (33,215) $ 50,066
Comprehensive income $ 41,544 35,363 $ (26,159) 47,242
As Previously Reported        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net income   29,041   44,624
Comprehensive income   31,734   41,800
Effect of Restatement        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net income   3,629   5,442
Comprehensive income   $ 3,629   $ 5,442