Summary Of Significant Accounting Policies (Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated other comprehensive loss at beginning of period	$ (8,391)		$ (12,162)
Net gain arising during the period	96		5,322		(8,437)
Total other comprehensive income, before tax	524		5,981		(8,119)
Total tax expense	(194)		(2,210)		3,000
Other comprehensive income, net of tax	330		3,771		(5,119)
Accumulated other comprehensive loss at end of period	(8,061)		(8,391)		(12,162)
Pension Benefits [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gain arising during the period	65		5,160
Amortization of unrecognized net loss (gain)	460	[1]	687	[1]	355
Amortization of transition asset	0	[1]	(1)	[1]	(1)
Postretirement Benefits [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gain arising during the period	31		162
Amortization of unrecognized net loss (gain)	(27)	[1]	(22)	[1]	(31)
Amortization of prior service asset	$ (5)	[1]	$ (5)	[1]	$ (5)

[1] Included in the computation of net periodic benefit income/cost. See Notes 8 and 9 for additional information.