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Revenue from Contracts with Customers Schedule of Contract Assets and Liabilities (Details) - USD ($)
$ in Millions
 3 Months Ended 5 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Dec. 31, 2021
Contract Assets      
Fair value of contracts with customers $ 3.7   $ 0.3
Revenue recognized in advance of right to bill customer 3.4    
Contract Liabilities      
Decrease due to amortization of deferred revenue that was included in the beginning contract liability balance   $ (12.1)  
Fair value of contracts with customers 66.0   $ 56.6
Increase due to cash received 22.3    
Decrease due to amortization of deferred revenue that was added during the period $ (0.8)