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Goodwill and Other Intangible Assets (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]    
Goodwill, Subsequent Recognition of Deferred Tax Asset $ 1,289  
Finite-Lived Intangible Assets, Amortization Expense 25,044 38,950
Goodwill Impairment Loss 0  
Percentage decrease in fair value that would require step two of quantitative assessment to be performed 12.00%  
Impairment of Intangible Assets (Excluding Goodwill) $ 0  
Percentage of hypothetical decrease 20.00%