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Income Taxes - Allocation of Income Tax Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 01, 2020	Nov. 03, 2019	Nov. 01, 2020	Nov. 03, 2019
Income Tax Disclosure [Abstract]
Income from continuing operations	$ 1,613	$ 2,279	$ 5,937	$ 3,971
Loss from discontinued operations		$ (381)		(392)
Total income tax expense			$ 5,937	$ 3,579

X

- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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