v3.26.1
Asset Retirement Obligation - Schedule of Change in Asset Retirement Obligation (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]  
As of December 31, 2025 $ 34.0
Accretion expense 1.5
Additions 0.1
Liabilities settled (1.8)
As of June 30, 2026 $ 33.8