Derivative Instruments (Net Cash Received (Paid) Related to Derivatives) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Operating activities | $ 72.7 | $ 118.0 |
| Investing activities | (0.1) | 0.0 |
| Financing activities | 82.7 | (1.4) |
| Total | $ 155.3 | $ 116.6 |