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Revenue from Contracts with Customers Components of Contract Assets and Contract Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]    
Current contract assets $ 0.5 $ 4.6
Noncurrent contract assets 3.0 0.7
Current contract liabilities (deferred revenue) 103.4 78.0
Noncurrent contract liabilities (deferred revenue) $ 43.3 $ 41.0