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Other Intangible Assets Level 4 Future Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Finite Lived Intangible Future Amortization [Abstract]    
2012 (remaining three months) $ 1,128  
2013 4,490  
2014 4,478  
2015 4,471  
2016 3,904  
Therafter 10,717  
Total $ 29,188 $ 32,795