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Retirement Benefit Plans (Summary Of Net Periodic Benefit Costs) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Retirement Benefit Plans [Abstract]        
Service cost $ 16 $ 91 $ 32 $ 182
Interest cost 38 30 75 60
Net amortization of prior service cost and actuarial (gain) loss   (83)   (165)
Actuarial loss on supplemental executive retirement plan, net of tax 7 15 14 30
Net periodic benefit cost 61 53 121 107
Recognized expense for the foregoing plans     241  
Expected contributions to forgoing plans     331  
Contributions to plans     $ 161