Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (108,114)	$ 61,720	$ (236,161)
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities, net of taxes	3,995	(1,728)	(71)
Foreign currency translation adjustments	(5,561)	105	(1,814)
Other comprehensive loss	(1,566)	(1,623)	(1,885)
Total comprehensive (loss) income	$ (109,680)	$ 60,097	$ (238,046)