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Property, Plant and Equipment, net
 12 Months Ended
Dec. 31, 2021
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, 2021December 31, 2020
Land$12.9 $8.0 
Buildings and improvements119.3 111.9 
Machinery, equipment, and other575.0 562.8 
Subtotal707.2 682.7 
Less accumulated depreciation(506.4)(491.2)
Total$200.8 $191.5 
Depreciation expense totaled $46.6 million, $47.6 million, and $47.4 million for the years ended December 31, 2021, 2020, and 2019, respectively.