Income Taxes (Schedule Of Taxes Based On Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Currently payable, Federal	$ 20,147	$ 19,751	$ 32,655
Currently payable, State and local	3,978	1,974	7,460
Total current provision	24,125	21,725	40,115
Deferred federal, state and local provision	7,886	1,077	3,298
Total taxes based on income	$ 32,011	$ 22,802	$ 43,413