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Pension (Schedule Of Net Periodic Pension 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
Pension [Abstract]        
Service cost $ 83 $ 114 $ 169 $ 228
Interest cost 194 179 391 358
Expected return on plan assets (291) (312) (581) (624)
Recognized net actuarial loss 81 159 163 318
Net period cost $ 67 $ 140 $ 142 $ 280