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Segment Information - International Net Sales (Parenthetical) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2023
May 01, 2022
May 02, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]      
net sales $ 234,934 $ 294,839 $ 299,720
Mexico [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
net sales 24,900 33,500 27,200
China [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
net sales $ 20,000 $ 26,900 $ 28,100