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DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Warranty Obligation (Details) - USD ($)
$ in Thousands
6 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Changes in the Warranty Obligation [Roll Forward]    
Warranty obligation at beginning of period $ 17,384 $ 15,261
Warranty provision related to products shipped 8,566 13,488
Deductions for warranty claims processed (13,198) (7,981)
Adjustments related to preexisting warranties 6,272 (2,365)
Warranty obligation at end of period $ 19,024 $ 18,403