Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - $ / shares		3 Months Ended		9 Months Ended
		Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Diluted (in usd per share)	[1]	$ 0.12	$ 0.09	$ 0.27	$ 0.22
Class B Common Shares
Diluted (in usd per share)		$ 0.12	$ 0.09	$ 0.27	$ 0.22

[1] Basic per share amounts are the same for Class A and Class B shares. Diluted per share amounts for Class A shares are shown above. Diluted earnings per share for Class B shares under the two-class method are $0.12 and $0.09 for the three months ended January 31, 2024 and 2023, and $0.27 and $0.22 for the nine months ended January 31, 2024 and 2023. See Note D to the condensed consolidated financial statements.