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Dividend Program - Narrative (Detail) - USD ($) | 12 Months Ended
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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 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 + Details
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