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Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following (in thousands):
 
 
March 31,
2015
 
December 31,
2014
Raw material and subassemblies
$
185,975

 
$
181,618

Work-in-progress
48,593

 
37,139

Finished goods
105,732

 
101,848

 
$
340,300

 
$
320,605