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Asset Retirement Obligations - Schedule of Reconciliation of ARO (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Asset Retirement Obligation Roll Forward      
Balance at beginning of period $ 49.1 $ 46.1  
Accretion expense 3.4 3.2 $ 3.0
Settlement of liabilities (1.0) (3.1)  
Liabilities incurred 1.0 2.9  
Balance at end of period $ 52.5 $ 49.1 $ 46.1