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Inventories (Tables)
 6 Months Ended
Jun. 30, 2017
Inventories  
Schedule of inventories

 

Inventories consisted of the following (in millions):

 

 

June 30,

 

December 31,

 

 

 

2017

 

2016

 

Raw materials

 

$
152.6

 

$
132.8

 

Work-in-process

 
201.0

 
181.0

 

Finished goods

 
105.9

 
91.8

 

Demonstration units

 
45.6

 
34.8

 

 

 

 

 

 

 

Inventories

 

$
505.1

 

$
440.4