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Inventories (Tables)
9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Summary of Inventories

Inventories are comprised of the following:

 

     September 30,
2016
     December 31,
2015
 

Raw materials

   $ 50,862      $ 50,204   

Work in process

     33,857        30,604   

Finished goods

     34,115        39,028   
  

 

 

    

 

 

 

Inventories

   $ 118,834      $ 119,836