Declaration of Dividend Payable (Details) - $ / shares		3 Months Ended		6 Months Ended
	Aug. 23, 2023	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Class of Stock [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.11	$ 0.11	$ 0.22	$ 0.22
Class A and Class B
Class of Stock [Line Items]
Cash dividends declared per common share (in usd per share)	$ 0.11