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Goodwill and Other Intangible Assets (Details 2) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Estimated future amortization expense for other intangible assets    
For the three months ending December 31, 2012 $ 2,409  
Fiscal year 2013 6,135  
Fiscal year 2014 3,936  
Fiscal year 2015 1,244  
Fiscal year 2016 and beyond 1,450  
Total $ 15,174 $ 22,907