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Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consist of the following (in thousands):
 
 
June 30,
2013
 
December 31,
2012
Raw material and subassemblies
$
223,805

 
$
231,273

Work-in-progress
54,218

 
50,644

Finished goods
86,648

 
99,461

 
$
364,671

 
$
381,378