XML 77 R63.htm IDEA: XBRL DOCUMENT v3.22.0.1
Revenue - Schedule of Contract Liabilities Balances (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Contract Liability Balances with Customer    
Balance, beginning of year $ (12.5) $ (19.4)
Additional contract liabilities (15.7) (12.5)
Recognition of revenue from contract liabilities 12.5 19.4
Balance, end of year $ (15.7) $ (12.5)