Employee Benefit Plans And Other Postretirement Benefits (Schedule Of Net Periodic Benefit Cost Expected To Be Recognized) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	$ (1,722)
Net actuarial loss	25,997
Amounts expected to be recognized in net periodic benefit cost, net of tax	24,275
Pension and SERPA Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	704
Net actuarial loss	23,020
Amounts expected to be recognized in net periodic benefit cost, net of tax	23,724
Postretirement Healthcare Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	(2,426)
Net actuarial loss	2,977
Amounts expected to be recognized in net periodic benefit cost, net of tax	$ 551