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Properties and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Summarized Properties and Equipment
The following table summarizes the components of properties and equipment, net:
(in millions)20212020
Land$8.5 $4.8 
Buildings and improvements82.8 63.3 
Machinery and equipment202.2 175.0 
Total property and equipment, at cost293.5 243.1 
Less: Accumulated depreciation151.6 136.2 
Properties and equipment, net (a)
$141.9 $106.9 
(a)    Amounts at December 31, 2021 include properties and equipment acquired in the acquisitions of OSW, Ground Force and Deist - see Note 2 - Acquisitions.