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SUBSEQUENT EVENTS (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 04, 2021
Apr. 03, 2021
Mar. 28, 2020
Apr. 03, 2021
Mar. 28, 2020
Subsequent Event [Line Items]          
Forgiveness of PPP loans   $ 4,124 $ 0 $ 4,124 $ 0
Subsequent Event          
Subsequent Event [Line Items]          
Forgiveness of PPP loans $ 1,717        
Paycheck Protection Program Loan | Subsequent Event          
Subsequent Event [Line Items]          
Accrued interest $ 16