Income Taxes (Schedule of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Current expense:
Federal	$ 49,971	$ 48,769	$ 64,021
State and other	27,451	31,791	30,651
Current expense total	77,422	80,560	94,672
Deferred benefit:
Federal	(532)	134	(109,145)
State and other	(3,027)	2,021	(1,851)
Deferred benefit total	(3,559)	2,155	(110,996)
Tax Benefit Relating to Uncertain Tax Positions	0	0	(14)
Income tax (benefit) expense	$ 73,863	$ 82,715	$ (16,338)