Accounts Receivable - Allowance for Returns and Allowances and Discounts (Detail) - Reserve for returns and allowances and discounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Apr. 28, 2024	Apr. 30, 2023	May 01, 2022
Valuation and Qualifying Accounts Disclosure [Line Items]
beginning balance	$ (124)	$ (95)	$ (138)
provision for returns and allowances and discounts	(1,173)	(1,212)	(1,386)
credits issued and discounts taken	1,131	1,183	1,429
ending balance	$ (166)	$ (124)	$ (95)