Declaration of Dividend Payable (Details) - $ / shares		3 Months Ended		9 Months Ended
	Nov. 20, 2023	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Class of Stock [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.11	$ 0.11	$ 0.33	$ 0.33
Class A and Class B
Class of Stock [Line Items]
Cash dividends declared per common share (in usd per share)	$ 0.11