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Employee Benefits (Schedule Of Weighted Average Assumptions Used) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Expected return on plan assets 7.00%    
Pension Benefits [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.50% 3.30% 4.50%
Expected return on plan assets 7.00% 7.00% 7.00%
Rate of compensation increase 4.00% 4.00% 4.00%
Discount rate 3.30% 4.50% 5.30%
Expected return on plan assets 7.00% 7.00% 7.00%
Rate of compensation increase 4.00% 4.00% 4.00%
Post-Retirement Healthcare Benefit Plans [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 4.00% 3.00% 4.00%
Discount rate 3.00% 4.00% 4.50%