v3.25.2
Derivative Instruments and Hedging Activities - Pro Forma Impact Of Offsetting Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Derivative Liability [Abstract]    
Gross liability $ (227.3) $ (259.3)
Pro forma net presentation, liability, current $ (84.1) $ (77.7)
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] Derivative Liability Before Effects Of Master Netting Arrangements Current Derivative Liability Before Effects Of Master Netting Arrangements Current
Pro forma net presentation, liability, noncurrent $ (55.0) $ (63.0)
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Derivative Liability Before Effects Of Master Netting Arrangements Noncurrent Derivative Liability Before Effects Of Master Netting Arrangements Noncurrent
Pro forma net presentation, liability, total $ (139.1) $ (140.7)
Counterparties with Offsetting Positions or Collateral [Member]    
Derivative Liability [Abstract]    
Gross liability (225.3) (258.8)
Pro forma net presentation, liability, current (84.1) (77.7)
Pro forma net presentation, liability, noncurrent (53.0) (62.5)
Pro forma net presentation, liability, total (137.1) (140.2)
Counterparties without Offsetting Position [Member]    
Derivative Liability [Abstract]    
Gross liability (2.0) (0.5)
Pro forma net presentation, liability, noncurrent (2.0) (0.5)
Pro forma net presentation, liability, total (2.0) (0.5)
Current Liabilities from Risk Management Activities [Member]    
Derivative Liability [Abstract]    
Gross liability (154.6) (167.3)
Current Liabilities from Risk Management Activities [Member] | Counterparties with Offsetting Positions or Collateral [Member]    
Derivative Liability [Abstract]    
Gross liability (154.6) (167.3)
Long-Term Liabilities from Risk Management Activities [Member]    
Derivative Liability [Abstract]    
Gross liability (72.7) (92.0)
Long-Term Liabilities from Risk Management Activities [Member] | Counterparties with Offsetting Positions or Collateral [Member]    
Derivative Liability [Abstract]    
Gross liability (70.7) (91.5)
Long-Term Liabilities from Risk Management Activities [Member] | Counterparties without Offsetting Position [Member]    
Derivative Liability [Abstract]    
Gross liability $ (2.0) $ (0.5)