v3.26.1
Fair Value Measurements - Schedule of Net Changes in Fair Value of Financial Assets and Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Summary of net changes in fair value of the company's level 3 financial assets and liabilities        
Realized loss on derivative instruments $ (26.0) $ 4.3 $ (141.4) $ (2.9)
Unrealized gain (loss) on derivative instruments 9.0 7.0 (93.7) 7.1
Level 3        
Summary of net changes in fair value of the company's level 3 financial assets and liabilities        
Fair value at January 1,     29.8 5.7
Realized loss on derivative instruments     (47.7) (10.0)
Unrealized gain (loss) on derivative instruments     (93.7) 7.1
Settlements     46.3 9.1
Fair value at June 30, $ (65.3) $ 11.9 $ (65.3) $ 11.9