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Income Taxes - Uncertain Income Tax Positions - Narrative (Detail) - USD ($) $ in Millions | Jan. 26, 2025 | Apr. 28, 2024 | Jan. 28, 2024
--- | --- | --- | ---
Income Taxes [Line Items] |  |  |
Unrecognized tax benefits | $ 1.4 |  |
Unrecognized tax benefit that would favorably impact effective income tax rate if recognized | 1.4 |  |
Income Taxes Payable - Long-Term [Member] |  |  |
Income Taxes [Line Items] |  |  |
Unrecognized tax benefits | $ 1.4 | $ 1.3 | $ 1.2

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