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Employee Benefit Plans (Schedule Of Net Periodic Benefit Cost) (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
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]        
Service cost $ 252 $ 282 $ 504 $ 708
Interest cost 450 340 900 853
Expected return on plan assets (740) (539) (1,480) (1,353)
Recognized loss 96 281 192 706
Total $ 58 $ 364 $ 116 $ 914