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Property, Plant and Equipment
9 Months Ended
Sep. 30, 2017
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, Plant and Equipment
Property, plant and equipment consisted of the following:
(in Millions)
September 30, 2017
 
December 31, 2016
Property, plant and equipment
$
978.2

 
$
921.6

Accumulated depreciation
(431.2
)
 
(383.5
)
Property, plant and equipment, net
$
547.0


$
538.1