Stock Repurchases	9 Months Ended
Jan. 31, 2025
Equity [Abstract]
Stock Repurchases	Stock RepurchasesOn August 19, 2002, our Board of Directors approved a resolution authorizing the repurchase of up to an additional 2.0 million shares of our Class A common stock (the "2002 Repurchase Plan"). We have completed our repurchase of 2.0 million shares of common stock under the 2002 Repurchase Plan, at a cost of approximately $16.4 million. As of January 31, 2025, under all repurchase plans previously authorized, including the 2002 Repurchase Plan, we have repurchased a total of 5,534,953 shares of common stock at a cost of approximately $35.8 million

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/505-30/tableOfContent

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