Derivative Instruments - Schedule of Realized and Unrealized Gains or (Losses) on Derivative Instruments, Net (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Derivative [Line Items] | ||
| Total | $ (7.4) | $ (62.9) |
| Interest rate derivative contracts | ||
| Derivative [Line Items] | ||
| Total | 11.3 | (51.1) |
| Foreign currency forward contracts | ||
| Derivative [Line Items] | ||
| Total | (9.4) | (3.6) |
| Weather Derivatives | ||
| Derivative [Line Items] | ||
| Total | $ (9.3) | $ (8.2) |