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Inventories (Tables)
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Summary of Inventories

Inventories consist of the following:

 

     Years Ended December 31,  
     2014      2013  

Raw material

   $ 81,121       $ 75,687   

Work-in-process

     26,604         24,304   

Finished goods

     47,444         42,736   
  

 

 

    

 

 

 
$ 155,169    $ 142,727