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Inventories
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
The components of inventories as of March 31, 2014 and December 31, 2013 were:
 
 
March 31,
2014
 
December 31,
2013
Raw materials and component parts
$
139,522

 
$
133,470

Work in process
43,400

 
41,895

Finished goods
61,253

 
55,602

Total
$
244,175

 
$
230,967


Inventories are stated at the lower of cost or market. Cost, which includes material, labor, and factory overhead, is determined on a FIFO basis.