Income Taxes (Schedule Of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
CURRENT
Federal	$ 34,525	$ 39,180	$ 8,748
State	9,828	12,937	3,295
Foreign	964	998	417
Total current expense	45,317	53,115	12,460
DEFERRED
Federal	(7,156)	(20,195)	(21,316)
State	(1,866)	(3,869)	(4,049)
Foreign	(543)	(88)	(352)
Total deferred benefit	(9,565)	(24,152)	(25,717)
Total expense (benefit)	35,752	28,963	(13,257)
Tax (benefit) or loss included in other comprehensive income	(1,020)	(50)	21,944
Total comprehensive income tax expense	$ 34,732	$ 28,913	$ 8,687