Postretirement Benefits (Components Of Net Periodic Benefit Cost (Income)) (Details) - Postretirement Benefits [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2013
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 32		$ 31		$ 31
Interest cost	108		130		113
Curtailment benefit	0		(161)		0
Amortization of unrecognized net gain	(28)	[1]	(27)	[1]	(22)
Amortization of prior service asset	(5)	[1]	(5)	[1]	(5)
Net periodic benefit cost (income)	$ 107		$ (32)		$ 117

[1] Included in the computation of net periodic benefit income/cost. See Notes 12 and 13 for additional information.