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RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS (Comprehensive Income) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Jul. 01, 2017
Apr. 01, 2017
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Jan. 02, 2016
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income $ 41,225 $ 34,808 $ 32,670 $ 17,396 $ 10,761 $ 32,925 $ 5,109 $ (340) $ 126,099 $ 48,455 $ 51,912
Comprehensive income                 130,864 46,826 48,571
As Previously Reported                      
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income 36,576 30,811 29,041 15,583 10,329 31,785 5,089 (91) 112,011 47,112 50,639
Comprehensive income                 116,776 45,483 47,298
Effect of Restatement                      
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income $ 4,649 $ 3,997 $ 3,629 $ 1,813 $ 432 $ 1,140 $ 20 $ (249) 14,088 1,343 1,273
Comprehensive income                 $ 14,088 $ 1,343 $ 1,273