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LEASES - Supplemental Cash Flow (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 03, 2021
Mar. 28, 2020
Leases [Abstract]    
Operating cash flows related to operating leases $ 4,118 $ 7,313
ROU assets obtained in exchange for new operating lease liabilities $ 8,712 $ 62,330