Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Current
Federal	$ 60,406	$ 27,171	$ 12,537
Foreign	11,995	9,098	1,624
State	19,327	5,594	7,857
Total Current	91,728	41,863	22,018
Deferred
Federal	4,657	(4,653)	8,986
Foreign	(4,216)	(5,870)	(7,347)
State	(792)	194	(713)
Total Deferred	(351)	(10,329)	926
Total provision for income taxes	$ 91,377	$ 31,534	$ 22,944