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Inventories (Tables)
 27 Months Ended
Mar. 31, 2013
Inventories

Inventories as of March 31, 2013 and December 31, 2012 consisted of the following:

 

     March 31,
2013		     December 31,
2012		  

Raw materials, including parts and subassemblies

    $ 278,855      $ 256,055   

Work-in-process

      49,938        44,417   

Finished goods

      62,994        62,230   
  

 

 

    

 

 

  
     391,787        362,702   

Excess of FIFO costs over LIFO costs

      (19,569 )      (19,505 ) 
  

 

 

    

 

 

  

Inventories, net

    $ 372,218      $ 343,197