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Retirement Benefits (Defined Benefit Plan, Assumptions Used In Accounting For The Plan) (Details) (United States Pension Plans of US Entity, Defined Benefit [Member])
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
United States Pension Plans of US Entity, Defined Benefit [Member]
   
Assumptions used to determine benefit obligation at period end:    
Discount rate 3.75% 3.00%
Assumptions used to determine net periodic benefit cost for the year:    
Discount rate 3.00% 3.00%
Long term rate of return on plan assets 3.00% 3.00%
Amortization period 8 years 1 month 2 days 8 years 1 month 2 days