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Income Taxes - Uncertainty in Income Taxes - Narrative (Detail) - USD ($)	Apr. 27, 2025	Apr. 28, 2024	May 01, 2023	Apr. 30, 2023	May 01, 2022
Income Taxes [Line Items]
Unrecognized tax benefits	$ 790,000	$ 1,258,000	$ 1,179,000	$ 1,179,000	$ 1,101,000
Unrecognized tax benefits that would favorably impact effective income tax expense if recognized	790,000	1,300,000
Gross amount of interest and penalties due to unrecognized tax benefits	$ 191,000	$ 281,000

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Income Taxes [Line Items]

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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