Segment Information - International Net Sales (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 28, 2024	Apr. 30, 2023	May 01, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
net sales	$ 225,333	$ 234,934	$ 294,839
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
net sales	25,100	24,900	33,500
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
net sales	$ 18,300	$ 20,000	$ 26,900