Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2021
Current
Federal	$ 76,532	$ 60,406	$ 27,171
Foreign	16,727	11,995	9,098
State	21,033	19,327	5,594
Total Current	114,292	91,728	41,863
Deferred
Federal	3,315	4,657	(4,653)
Foreign	(3,705)	(4,216)	(5,870)
State	610	(792)	194
Total Deferred	220	(351)	(10,329)
Total provision for income taxes	$ 114,512	$ 91,377	$ 31,534