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Inventories
6 Months Ended
Jun. 30, 2017
Inventories [Abstract]  
Inventories



(3)  Inventories



Components of inventories as of June 30, 2017 and December 31, 2016 were as follows:



 

 

 

 

 



 

 

 

 

 

(in thousands)

2017

 

2016

Raw materials

$

41,818 

 

$

38,383 

Work in process

 

4,719 

 

 

3,109 

Finished goods and parts

 

64,279 

 

 

61,839 

Inventories

$

110,816 

 

$

103,331