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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Provision for income taxes $ 283 $ 562 $ 728 $ (661)
Discrete tax provision $ (146)   $ 304  
Effective income tax rate 6.50% 16.10% 17.60% (19.90%)
Statutory tax rate   24.00%   24.00%