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Retirement Benefits (Assumptions Used To Determine Benefit Obligations) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Pension Benefits
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate at measurement date 4.75% 4.00%
Increase in future compensation 3.50% 3.50%
Medical cost trend rate (initial)      
Medical cost trend rate (ultimate)      
Postretirement Benefits
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate at measurement date 4.75% 4.00%
Increase in future compensation 3.50% 3.50%
Medical cost trend rate (initial) 5.00% 5.00%
Medical cost trend rate (ultimate) 5.00% 5.00%