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Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Sep. 30, 2023
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]        
Contract Assets $ 96.7 $ 74.5 $ 69.3 $ 65.1
Contract Liabilities $ 146.9 $ 156.5 $ 158.4 $ 161.2