Pensions And Postretirement Benefits (Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates) (Details) (Postretirement Benefits [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Effect on total service and interest cost, 1 percentage point increase	$ 26
Effect on total service and interest cost, 1 percentage point decrease	22
Effect on postretirement benefit obligation, 1 percentage point increase	417
Effect on postretirement benefit obligation, 1 percentage point decrease	$ 353