Dividend Program - Narrative (Detail) - USD ($)	3 Months Ended
Jul. 31, 2022	Aug. 01, 2021
Dividends [Line Items]
Cash dividends paid		$ 1,356,000
Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividends paid	$ 0	$ 1,400,000
Cash dividend payment, per share		$ 0.11

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

Name:	us-gaap_PaymentsOfDividends
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration