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Intangible Assets - Summary of Change in Carrying Amount of Finite-Lived Intangible Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 28, 2024
Jul. 30, 2023
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance $ 1,035 $ 1,335
Amortization expense (75) (75)
Ending balance 960 1,260
Non-Compete Agreement [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance 301 377
Amortization expense (19) (19)
Ending balance $ 282 $ 358