Postretirement Benefits (Schedule Of Change In Benefit Obligation) (Details) (Postretirement Benefits [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at beginning of year	$ 2,934	$ 3,054
Service cost	31	31	25
Interest cost	130	113	147
Actuarial gain	(31)	(162)
Curtailment gain	(161)	0
Plan participant contributions	53	55
Benefits paid	(177)	(157)
Benefit obligation at end of year	$ 2,779	$ 2,934	$ 3,054