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Properties - Summary (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Total properties $ 468.0 $ 727.0
Land    
Property, Plant and Equipment [Line Items]    
Total properties 0.0 2.3
Buildings    
Property, Plant and Equipment [Line Items]    
Total properties 0.3 63.5
Machinery and office equipment    
Property, Plant and Equipment [Line Items]    
Total properties 267.8 466.7
Internal-use software    
Property, Plant and Equipment [Line Items]    
Total properties 186.0 171.2
Rental equipment    
Property, Plant and Equipment [Line Items]    
Total properties $ 13.9 $ 23.3