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Other Long-term Liabilities - Schedule of Other Long-term Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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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

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