Income Taxes (Schedule Of Taxes Based On Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Currently payable, Federal	$ 32,655	$ 23,392	$ 30,220
Currently payable, State and local	7,460	6,808	8,070
Total current provision	40,115	30,200	38,290
Deferred federal, state and local provision	3,298	11,894	6,703
Total taxes based on income	$ 43,413	$ 42,094	$ 44,993