Income Taxes - Effective Income Tax Rate - Narrative (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 29, 2023	Oct. 30, 2022	Oct. 29, 2023	Oct. 30, 2022
Income Taxes [Line Items]
Income taxes	$ 516	$ 1,150	$ 1,217	$ 2,046
Effective income tax rate			(26.80%)	(12.90%)
Pre-tax income (loss)	$ (1,908)	$ (11,023)	$ (4,549)	$ (15,826)
U.S. [Member]
Income Taxes [Line Items]
Pre-tax income (loss)			$ (11,800)	$ (20,700)