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Pension and Postretirement Plans (Key Assumptions - Obligation) (Details 3) (Benefit Obligation [Member])
Dec. 31, 2013
Dec. 31, 2012
Pension Plans [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.80% 4.00%
Rate of compensation increase 4.00% 4.00%
Supplemental Executive Retirement Plan (SERP) [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 4.80% 4.00%
Rate of compensation increase 4.00% 4.00%