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Retirement Benefits (Components Of Net Periodic Post Retirement Benefit Cost) (Details) (Other Pension Plans, Defined Benefit [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Other Pension Plans, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 9 $ 7 $ 6
Interest cost 56 66 80
Amortization of transition obligation 17 17 17
Amortization of prior service costs 16 15 15
Amortization of unrecognized loss 36 28 25
Net postretirement benefit cost included in compensation and employee benefits $ 134 $ 133 $ 143