Income Taxes - Uncertain Income Tax Positions - Narrative (Detail) - USD ($) $ in Millions	Jul. 30, 2023	Apr. 30, 2023	Jul. 31, 2022
Income Taxes [Line Items]
Unrecognized tax benefits	$ 1.2
Unrecognized tax benefits that would favorably impact effective income tax rate if recognized	1.2	$ 1.2	$ 1.1
Income Taxes Payable - Long-Term [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	$ 1.2	$ 1.2	$ 1.1