Stockholders' Equity - Exchangeable Shares, Share Repurchase Program and Secondary Public Offering (Details) - USD ($) shares in Millions	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021	Jun. 20, 2022	Jun. 19, 2022
Equity [Abstract]
Authorized amount of shares to be repurchased under the program				$ 200,000,000	$ 75,000,000
Number of shares repurchased (shares)	2.3	0.7	0.1
Shares repurchased, cost	$ 110,600,000	$ 35,500,000	$ 4,200,000
Excise tax	100,000
Remaining amount under repurchase program	$ 100,200,000