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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant and equipment consisted of the following:
December 31,
(in Millions)20192018
Land and land improvements$94.3  $99.3  
Buildings367.5  386.4  
Machinery and equipment582.1  508.9  
Construction in progress65.3  50.4  
Total cost$1,109.2  $1,045.0  
Accumulated depreciation(351.2) (288.1) 
Property, plant and equipment, net$758.0  $756.9  

Depreciation expense was $69.7 million, $73.9 million, and $51.3 million in 2019, 2018 and 2017, respectively.