Accumulated Other Comprehensive Income (Loss) (Schedule Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Accumulated Other Comprehensive Income (Loss) [Abstract]
Pension and Other Postretirement Benefit Plans, Net of Tax, Beginning Balance	$ (17,441)		$ (15,640)
Pension and Other Postretirement Benefit Plans, Net of Tax, Ending Balance	(16,902)		(19,487)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax	937	[1]	(6,838)	[1]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	(398)		2,922
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, before Tax			69
Unrealized Income (Loss) Available-for-sale Securities Adjustment, Net of Tax, Beginning Balance	2,208
Unrealized Income (Loss) Available-for-sale Securities Adjustment, Net of Tax, Ending Balance	(4,903)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	(12,365)	[1]		[1]
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	5,254
Other Comprehensive Income (Loss), Reclassification Adjustment for Held-to-maturity Transferred to Available-for-Sale Securities, before Tax
Other Comprehensive Income (Loss), before Tax	(11,428)	[1]	(6,838)	[1]
Other Comprehensive Income Reclassification Adjustment			69
Other Comprehensive Income (Loss), Tax	4,856		2,922
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(15,233)		(15,640)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(21,805)		(19,487)
Actuarial loss			$ 7,942

[1] Other comprehensive income (loss) related to Pension Plans and Postretirement Plan (as defined below) for the six months ended December 31, 2011 and 2010 includes recognized actuarial net loss and amortization of prior service cost (credit) included in net periodic benefit cost during each respective period. In addition, other comprehensive loss related to Pension Plans and Postretirement Plan for the six months ended December 31, 2010 includes an actuarial loss of $7,942.