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WARRANTY RESERVES (Details) - SEC Schedule, 12-09, Reserve, Warranty [Member] - USD ($)
$ in Thousands
6 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Warranty Reserve    
Reserve, beginning of period $ 165 $ 173
Provision 27 27
Warranty costs (50) (56)
Reserve, end of period $ 142 $ 144