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Inventories - Continuity of the Inventory Reserves (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 26, 2022
Mar. 27, 2021
Mar. 28, 2020
Inventory Disclosure [Abstract]      
Beginning balance $ 1,938 $ 1,847 $ 1,895
Additional charges 85 291 342
Deductions (248) (200) (390)
Ending balance $ 1,775 $ 1,938 $ 1,847