Pension Benefits (Schedule Of Change In Plan Assets) (Details) - Defined Benefit Pension Plans [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	$ 29,611	$ 39,419
Actual return on plan assets	896	(7,607)
Employer contributions	657	0
Benefits paid	(2,388)	(2,201)
Fair value of plan assets at end of year	$ 28,776	$ 29,611