Income Taxes (Schedule Of Taxes Based On Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Currently payable, Federal	$ 40,766	$ 51,524	$ 57,116
Currently payable, State and local	7,355	6,319	6,502
Total current provision	48,121	57,843	63,618
Deferred federal, state and local (benefit) provision	(9,232)	2,359	(749)
Total taxes based on income	$ 38,889	$ 60,202	$ 62,869