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Properties and Equipment - Summary of Properties and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]    
Land $ 4.8 $ 4.3
Buildings and improvements 63.3 53.9
Machinery and equipment 175.0 159.2
Total property and equipment, at cost 243.1 217.4
Less: Accumulated depreciation 136.2 125.5
Properties and equipment, net $ 106.9 $ 91.9