Net (Loss) Income Per Share - Schedule of Unvested Common Stock not Included in the Computation of Diluted Net (Loss) Income Per Share (Detail) - shares shares in Thousands	12 Months Ended
Apr. 30, 2023	May 01, 2022	May 02, 2021
Earnings Per Share [Abstract]
antidilutive effect from decrease in the price per share of our common stock	25	18	2
antidilutive effect from net loss incurred during the fiscal year	88	86
total unvested shares of common stock not included in computation of diluted net (loss) income per share	113	104	2

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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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