Income Taxes - Summary of Income Taxes Paid (Refunded) (Detail) - USD ($) $ in Thousands	12 Months Ended
May 03, 2026	Apr. 27, 2025	Apr. 28, 2024
Foreign
Total income taxes paid, net of refunds	$ 3,561	$ 2,304	$ 3,284
Domestic Tax Jurisdiction [Member] \| United States [Member]
Income Taxes [Line Items]
U.S. federal	831	665	499
U.S. state, income tax payments, net of refunds	(4)	0	0
Foreign Tax Authority [Member]
Foreign
Total Foreign	2,734	1,639	2,785
Foreign Tax Authority [Member] \| China [Member]
Foreign
Total Foreign	1,143	1,785	2,317
Foreign Tax Authority [Member] \| Canada, Federal [Member]
Foreign
Total Foreign	976	(148)	391
Foreign Tax Authority [Member] \| Canada, Quebec Province [Member]
Foreign
Total Foreign	$ 615	$ 2	$ 77

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Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
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-Name Accounting Standards Codification
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-Topic 740
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