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Properties
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Properties
Properties
Properties comprise the following:
As of December 31,
 
2017

 
2016

Land
 
$
2.8

 
$
2.7

Buildings
 
91.3

 
88.2

Machinery and office equipment
 
601.7

 
591.7

Internal-use software
 
157.4

 
145.9

Rental equipment
 
45.6

 
58.1

Total properties
 
$
898.8

 
$
886.6