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DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Warranty Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Changes in the Warranty Obligation [Roll Forward]    
Warranty obligation at beginning of period $ 15,261 $ 17,984
Warranty provision related to products shipped 9,428 4,837
Deductions for warranty claims processed (4,269) (5,001)
Adjustments related to preexisting warranties (533) (1,036)
Warranty obligation at end of period $ 19,887 $ 16,784