Net Income (Loss) from Continuing Operations Per Share - Narrative (Detail) - Common Stock Awards [Member] - shares	12 Months Ended
May 02, 2021	May 03, 2020
Antidilutive securities due to decrease in stock price excluded from computation of earnings from continuing operations per share	2,175	19,388
Shares excluded from computation of diluted net loss from continuing operations per share		45,731
Shares excluded from computation of diluted net loss from continuing operations per share		26,343

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration