Postretirement Benefits (Components Of Net Periodic Benefit Cost) (Details) (Postretirement Benefits [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 8		$ 8
Interest cost	32		28
Amortization of unrecognized net (gain) loss	(7)	[1]	(5)	[1]
Amortization of prior service asset	(1)	[1]	(1)	[1]
Net periodic benefit (income) cost	$ 32		$ 30

[1] Included in the computation of net periodic benefit income/cost. See Notes 7 and 8 for additional information.