Derivative Financial Instruments (Summary of Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income) (Details) - Derivatives in Cash Flow Hedging Relationships [Member] - Interest Rate Swap Contracts [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Derivative Instruments Gain Loss [Line Items] | ||||
| Amount of (Loss) Gain Recognized in AOCL | $ (1.9) | $ 4.3 | ||
| Gain reclassified from AOCL into net earnings | $ 0.0 | $ 1.2 | $ 0.4 | $ 3.3 |