Pension Benefits (Schedule Of Change In Plan Assets) (Details) - Defined Benefit Pension Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	$ 39,419	$ 36,768
Actual return on plan assets	(7,607)	4,931
Employer contributions	0	27
Benefits paid	(2,201)	(2,307)
Fair value of plan assets at end of year	$ 29,611	$ 39,419