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Property, Plant and Equipment, net
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net 6. Property, Plant, and Equipment, net

The following table details the major components of property, plant, and equipment, net:
 (in millions)
December 31, 2018
 
December 31, 2017
Land
$
7.5

 
$
7.7

Buildings and improvements
102.3

 
103.2

Machinery, equipment, and other
499.9

 
441.1

Subtotal
609.7

 
552.0

Less accumulated depreciation
(398.0
)
 
(369.0
)
Total
$
211.7

 
$
183.0



Depreciation expense totaled $45.9 million, $46.5 million, and $50.8 million for the years ended December 31, 2018, 2017, and 2016, respectively. There were no fixed asset impairments recorded during the year ended December 31, 2018. The Company recorded fixed asset impairments of $5.1 million and $0.5 million for the years ended December 31, 2017 and 2016, respectively.