Income Taxes - Summary of Taxes Paid (Detail) - USD ($) $ in Thousands	6 Months Ended
	Oct. 30, 2022	Oct. 31, 2021
Income Taxes [Line Items]
Total income taxes paid	$ 1,712	$ 2,101
Domestic Tax Authority [Member] | United States [Member]
Income Taxes [Line Items]
United States Transition Tax Payment	265	266
Foreign Tax Authority [Member] | China [Member]
Income Taxes [Line Items]
Total income taxes paid	1,286	921
China - Withholding Taxes Associated With Earnings and Profits Distributed to the U.S.		487
Foreign Tax Authority [Member] | Canada [Member]
Income Taxes [Line Items]
Total income taxes paid	$ 161	$ 427