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INCOME TAXES (Provision for income taxes and the effective tax rate) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Income Tax Disclosure [Abstract]        
Income tax (benefit)/expense $ (17,867) $ 7,519 $ (10,377) $ 13,299
Effective tax rate (138.00%) 19.10% (15.90%) 26.60%