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           Employee Retirement Benefits (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs) (Details) 
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        12 Months Ended | |
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           Dec. 31, 2014 
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           Dec. 31, 2013 
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| Employee Retirement Benefits [Abstract] | ||
| Discount rate | 3.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate | 4.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate | 
| Expected return on plan assets | 3.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets | 5.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets | 
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- Definition 
          The interest rate used to adjust for the time value of money. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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