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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Jan. 28, 2024
Apr. 30, 2023
Jan. 29, 2023
Inventory Disclosure [Abstract]      
Raw materials $ 8,214 $ 7,908 $ 9,623
Work-in-process 2,388 2,602 3,164
Finished goods 36,275 34,570 34,840
Inventories $ 46,877 $ 45,080 [1] $ 47,627
[1] Derived from audited consolidated financial statements.