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

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Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Income Taxes - Deferred Income Taxes - Valuation Allowance - Narrative (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Aug. 02, 2020	May 02, 2021	May 03, 2020	Apr. 28, 2019
Income Taxes [Line Items]
Income expense (benefit)		$ 7,693	$ 3,354	$ 6,537
Valuation Allowance, Net Deferred Tax Assets [Member] \| GILTI [Member]
Income Taxes [Line Items]
Income expense (benefit)	$ 7,000	$ 7,000