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Employment Retirement Benefits (Summary Of Components Of Net Periodic Benefit Cost) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Retirement Benefits [Abstract]      
Service cost $ 5 $ 275 $ 36
Interest cost 186 244 240
Expected return on plan assets (229) (262) (267)
Amortization of prior service cost 211   46
Net periodic pension cost $ 173 $ 257 $ 55