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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Mar. 30, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]        
Provision (benefit) for income taxes $ 423 $ (145) $ 446 $ (1,223)
Discrete tax provision     $ 450  
Effective income tax rate     (182.30%) (711.00%)
Statutory tax rate     21.00% 24.00%