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Inventories, net (Tables)
 9 Months Ended
Sep. 30, 2016
Inventories, net  
Schedule of components of inventories

 

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

 

 

    

2016

    

2015

    

 

 

(in thousands)

 

Raw materials

 

$
77,498

 

$
72,070

 

Work in process

 

 
30,903

 

 
29,219

 

Finished goods (completed systems)

 

 
8,600

 

 
8,119

 

 

 

$
117,001

 

$
109,408