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]
Amounts expected to be recognized in net periodic benefit cost, net of tax	$ 40,955
Pension And SERPA Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	37,999
Postretirement Healthcare Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	2,956
Prior Service Cost (Credit) [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	(1,327)
Prior Service Cost (Credit) [Member] | Pension And SERPA Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	1,099
Prior Service Cost (Credit) [Member] | Postretirement Healthcare Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	(2,426)
Net Actuarial Loss [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	42,282
Net Actuarial Loss [Member] | Pension And SERPA Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	36,900
Net Actuarial Loss [Member] | Postretirement Healthcare Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amounts expected to be recognized in net periodic benefit cost, net of tax	$ 5,382