Pension Plans And Other Postretirement Benefits (Schedule Of Actuarial Assumptions) (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plans	7.00%	8.00%
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation, Discount rate	3.65%	4.50%
Expected return on plans	1.50%	8.00%
Projected Benefit Obligation, Healthcare cost trend	7.50%	8.50%
Net Periodic Benefit Cost, Discount rate	4.50%	3.60%
Maximum [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation, Discount rate	3.85%	4.70%
Net Periodic Benefit Cost, Discount rate	4.70%	3.90%
Minimum [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected Benefit Obligation, Discount rate	3.70%	4.50%
Net Periodic Benefit Cost, Discount rate	4.50%	3.70%