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Dividend Program - Narrative (Detail) - USD ($)	12 Months Ended
	Apr. 30, 2023	May 01, 2022	May 02, 2021
Dividends [Line Items]
Cash dividends paid		$ 5,511,000	$ 5,292,000
Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividends paid	$ 0	$ 5,500,000	$ 5,300,000
Minimum [Member] | Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividend payment, per share		$ 0.11	$ 0.105
Maximum [Member] | Quarterly Dividend [Member]
Dividends [Line Items]
Cash dividend payment, per share		$ 0.115	$ 0.11

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- Definition

Dividends [Line Items]

+ References

No definition available.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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

+ References

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

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