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Basis of Presentation and Summary Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2013
Components of Inventory

The components of inventory are as follows:

 

     March 31,
2013		      December 31,
2012		  
     (in thousands)  

Finished goods

    $ 99,170       $ 101,021   

Work in process

      2,818         2,046   

Raw materials

      2,055         1,517   
  

 

 

     

 

 

  

Total

    $ 104,043       $ 104,584