Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stock Repurchases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	29 Months Ended
Stock Repurchases (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2024	Jan. 31, 2025	Aug. 19, 2002
Equity, Class of Treasury Stock [Line Items]
Purchases of common stock	$ 0	$ 5,421	$ 10,235
Class A Common Shares \| All Share Repurchase Plans
Equity, Class of Treasury Stock [Line Items]
Common stock shares repurchased (in shares)				5,534,953
Purchases of common stock				$ 35,800
Class A Common Shares \| Shares Stock Repurchase Plan, August 19, 2002
Equity, Class of Treasury Stock [Line Items]
Approved number of shares to be repurchased (in shares)					2,000,000
Common stock shares repurchased (in shares)				2,000,000.0
Purchases of common stock				$ 16,400