Employee Benefit Plans (Schedule Of Allocation Of The Fair Value Of Plan Assets) (Details)	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	100.00%	100.00%
Cash and Short-Term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	3.00%	3.00%
Large Company Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	31.00%	20.00%
Mid Company Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	8.00%	8.00%
Small Company Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	8.00%	6.00%
International Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	11.00%	14.00%
Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	21.00%	35.00%
Growth Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation percentage	18.00%	14.00%