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WARRANTIES (Details) - USD ($)
$ in Thousands
6 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Balance at beginning of period $ 8,499 $ 6,393
Expense accruals for warranties issued during the period 3,977 5,218
Less current period warranty claims paid 3,236 2,681
Balance at end of period $ 9,240 $ 8,930