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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Inventories  
Schedule of components of inventories

 

 

 

 

September 30,

 

December 31,

 

 

 

2012

 

2011

 

 

 

(in thousands)

 

Raw materials

 

$

87,938

 

$

85,829

 

Work in process

 

17,761

 

25,639

 

Finished goods (completed systems)

 

17,581

 

8,555

 

 

 

$

123,280

 

$

120,023