Pension And Postretirement Benefits (Schedule Of Amounts Recognized In Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Accrued pension and postretirement benefits	$ (151,133)	$ (233,603)
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Other assets	78,688	52,304
Current liabilities	(1,024)	(817)
Accrued pension and postretirement benefits	(141,321)	(222,171)
Amounts recognized in the Consolidated Balance Sheets	(63,657)	(170,684)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Current liabilities	(1,155)	(1,188)
Accrued pension and postretirement benefits	(9,812)	(11,432)
Amounts recognized in the Consolidated Balance Sheets	$ (10,967)	$ (12,620)