Organization and Summary of Significant Accounting Policies - Translation of Foreign Currencies (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
General and Administrative Expenses
Organization And Summary Of Significant Accounting Policies [Line Items]
Foreign currency losses	$ (4.5)	$ (2.0)	$ (1.2)