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Other Long-term Liabilities - Schedule of Other Long-term Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Other Liabilities, Noncurrent [Abstract]    
Deferred revenue $ 119.3 $ 248.8
Asset retirement obligations 135.5 103.0
Operating lease liabilities 80.9 56.5
Other liabilities 4.3 6.8
Total other long-term liabilities $ 340.0 $ 415.1