Pension Plans And Other Postretirement Benefit Plans (Deferred Compensation) (Details) (Deferred Compensation, Excluding Share-based Payments and Retirement Benefits [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation assets and liabilities	8,677	$ 9,170
Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation, earlier of retirement, terminaiton, disability or death, percent	75.00%
Deferred compensation incentvie payments, percent	100.00%