Capital Stock and Changes in Capital Accounts - Share Repurchases (Details) - $ / shares shares in Thousands	3 Months Ended
Jul. 31, 2026	Jul. 31, 2025
Class A common stock
Share Repurchases [Abstract]
Shares repurchased (in shares)	330	331
Average price - Class A and Class B (in dollars per share)	$ 45.44	$ 42.22
Class B common stock
Share Repurchases [Abstract]
Shares repurchased (in shares)	1	1
Average price - Class A and Class B (in dollars per share)	$ 45.44	$ 42.22

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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+ Details