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Goodwill And Other Intangible Assets (Schedule Of Estimated Amortization Expense For Future Years) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Goodwill And Other Intangible Assets [Abstract]    
2012 remaining $ 4,423  
2013 6,536  
2014 5,302  
2015 4,258  
2016 3,405  
Thereafter 6,281  
Net Carrying Amount $ 30,205 $ 33,624