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Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
The components of inventories as of March 31, 2015 and December 31, 2014 were:
 
 
March 31,
2015
 
December 31,
2014
Raw materials and component parts
$
140,239

 
$
137,584

Work in process
40,311

 
37,178

Finished goods
63,015

 
62,869

Total
$
243,565

 
$
237,631


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