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Goodwill and Other Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Intangible assets with finite lives:      
Intangible assets with finite lives, Beginning balance $ 74,381    
Intangible assets with Finite lives, Beginning balance 27,068    
Amortization, intangible assets 3,216 2,935  
Other, Gross carrying amount (707)    
Other, Finite lived intangible assets (941)    
Other, accumulated amortization (234)    
Intangible assets with finite lives, Ending balance 73,674    
Finite-lived intangible assets, Accumulated amortization (51,011)   (47,313)
Intangible assets with Finite lives, Ending balance 22,663    
Intangible assets with indefinite lives:      
Total intangible assets - net, Beginning balance 336,907    
Other, Total intangible assets - net (552)    
Total intangible assets - net, Ending balance 332,891    
Tradename [Member]
      
Intangible assets with finite lives:      
Amortization, intangible assets       
Intangible assets with indefinite lives:      
Indefinite-lived Intangible Assets, Beginning Balance 309,839    
Other, Tradename 389    
Indefinite-lived Intangible Assets, Ending Balance $ 310,228