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Retirement Plans (Assumptions Used To Determine Our Benefit Obligations And Net Periodic Benefit Costs) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Pension Benefits
     
Compensation And Retirement Disclosure Line Items      
Discount rate 4.95% 4.22%  
Rate of increase in compensation levels 3.70% 3.77%  
Weighted average used to determine net cost for the year ended, Discount rate 4.22% 5.22% 5.73%
Weighted average used to determine net cost for the year ended, expected long-term rate of return on assets 8.14% 8.24% 8.37%
Weighed average rate of increase in compensation levels 3.79% 3.77% 3.86%
Other Postretirement Benefit Plans, Defined Benefit
     
Compensation And Retirement Disclosure Line Items      
Discount rate 4.74% 3.97%  
Trend rate for next year 8.00% 8.00%  
Ultimate trend rate 5.00% 5.00%  
Year rate reaches ultimate trend rate 2019 2019  
Weighted average used to determine net cost for the year ended, Discount rate 3.97% 5.13% 5.54%
Weighted average used to determine net cost for the year ended, expected long-term rate of return on assets 8.03% 8.03% 8.03%