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Income Taxes - Summary of Income Taxes Paid (Refunded) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2025	Apr. 28, 2024	Apr. 30, 2023
Income Taxes [Line Items]
Total income tax payments, net	$ 2,304	$ 3,284	$ 2,324
Domestic Tax Authority | United States [Member]
Income Taxes [Line Items]
United States Transition Tax Payment	665	499	265
Foreign Tax Authority | China [Member]
Income Taxes [Line Items]
Total income tax payments, net	1,785	2,317	1,831
Foreign Tax Authority | Canada [Member]
Income Taxes [Line Items]
Total income tax payments, net	$ (146)	$ 468	$ 228

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- Definition

Income Taxes [Line Items]

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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