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Cash Flow Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Supplemental Cash Flow Information [Abstract]        
Cash and cash equivalents $ 608.1   $ 60.4  
Restricted cash included in Other Current Assets 0.2   0.2  
Total cash, cash equivalents, and restricted cash 608.3 $ 350.1 $ 60.6 $ 569.7
Accrued purchases of property and equipment 20.1 12.7    
Adjustments to right-of use assets including right-of-use assets obtained in exchange for new operating lease liabilities 9.6 2.8    
Adjustments to right-of use assets including right-of-use assets obtained in exchange for new finance lease liabilities 4.7 7.7    
Interest payments, net of amounts capitalized and including interest on vehicle inventory financing 18.4 17.9    
Income tax payments, net of income tax refunds $ 0.5 $ 0.1