Income Taxes (Schedule Of Taxes Based On Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Currently payable, Federal	$ 51,524	$ 57,116	$ 47,601
Currently payable, State and local	6,319	6,502	5,229
Total current provision	57,843	63,618	52,830
Deferred federal, state and local provision (benefit)	2,359	(749)	36
Total taxes based on income	$ 60,202	$ 62,869	$ 52,866