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Other Current Liabilities (Tables)
9 Months Ended
Sep. 30, 2011
Other Current Liabilities [Abstract] 
Other Current Liabilities
     September 30,
2011		      December 31,
2010		  

Accrued rebates

    $ 46,077       $ 41,094   

Accrued expenses

      43,346         30,603   

Other current liabilities

      8,005         6,655   
  

 

 

     

 

 

  
   $ 97,428       $ 78,352