Pension Plans And Other Postretirement Benefits (Schedule Of Amounts In Accumulated Other Comprehensive Income (Loss) To Be Recognized Over Next Fiscal Year) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of net actuarial loss	$ 947
Amortization of prior service cost (credit)	56
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of net actuarial loss	78
Amortization of prior service cost (credit)	$ (45)