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Revenue - Schedule of Contract with Customer, Asset and Liability (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Movement in Deferred Revenue [Roll Forward]    
Beginning balance $ 104.5 $ 110.9
Additional unbilled revenue recognized 301.9 383.0
Less: amounts billed to customers (297.4) (389.4)
Less: unbilled receivables reclassified to assets held for sale (25.4) 0.0
Ending balance $ 83.6 $ 104.5