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Inventories, net (Tables)
 3 Months Ended
Mar. 31, 2017
Inventories, net  
Schedule of components of inventories

 

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

 

 

    

2017

    

2016

    

 

 

(in thousands)

 

Raw materials

 

$

78,055

 

$

82,263

 

Work in process

 

 

19,892

 

 

14,117

 

Finished goods (completed systems)

 

 

17,688

 

 

17,473

 

     Inventories, net

 

$

115,635

 

$

113,853