Pension Benefits (Schedule Of Change In Benefit Obligation) (Details) - Pension Benefits [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	$ 41,233	$ 39,519
Interest cost	1,612	1,754	$ 1,633
Actuarial loss	1,414	2,241
Benefits paid	(2,217)	(2,281)
Benefit obligation at end of year	$ 42,042	$ 41,233	$ 39,519