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v3.23.2

Stock-Based Compensation - Director Stock Awards (Details) - Director Stock Plan - Class A Common Stock - Non-Employee Directors - shares | 12 Months Ended
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Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Value of annual award as percentage of annual director retainer fee based on stock price on date of grant | 100.00% |  |
Deferred compensation arrangement with individual, shares issued | 30,706 | 18,384 | 28,360

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- Definition The value of the annual award of Class A Common Stock received by each non-employee director as a percentage of the annual director fee, based on the stock price on the date of grant. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of shares issued pursuant to the terms of a deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (l) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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