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Inventories (Tables)
 6 Months Ended
Jun. 29, 2013
Inventory Disclosure [Abstract]  
Components of Inventories

The components of inventories are as follows (in thousands):

 

     As of  
     June 29, 2013     December 31, 2012  

Raw material

    $ 34,173      $ 31,350   

Work in process

      948        921   

Deferred costs of long-term contracts

      409        604   

Finished goods

      87,191        104,137   
  

 

 

    

 

 

  

Inventories, gross

      122,721        137,012   

Inventory reserves

      (13,572 )      (13,655 ) 
  

 

 

    

 

 

  

Inventories, net

    $ 109,149      $ 123,357