Pension Benefits (Schedule Of Change In Benefit Obligation) (Details) - Defined Benefit Pension Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	$ 37,439	$ 39,969
Interest cost	935	965	$ 1,246
Actuarial gain	(5,130)	(1,188)
Benefits paid	(2,201)	(2,307)
Benefit obligation at end of year	$ 31,043	$ 37,439	$ 39,969