Income Taxes (Schedule Of Taxes Based On Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Currently payable, Federal	$ 30,220	$ 40,766	$ 51,524
Currently payable, State and local	8,070	7,355	6,319
Total current provision	38,290	48,121	57,843
Deferred federal, state and local provision (benefit)	6,703	(9,232)	2,359
Total taxes based on income	$ 44,993	$ 38,889	$ 60,202