Financial Instruments - Derivative Hedging Activities (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||||
| Interest expense | $ (128.3) | $ (124.4) | $ (267.6) | $ (251.1) |
| Interest Expense | Interest rate swap locks | Cash Flow Hedging | ||||
| (Loss) gain on cash flow hedging relationships: | ||||
| (Loss) gain on cash flow hedging relationships | (0.9) | (1.0) | (1.7) | (2.0) |
| Interest Expense | 2022 interest rate swap | Cash Flow Hedging | ||||
| (Loss) gain on cash flow hedging relationships: | ||||
| (Loss) gain on cash flow hedging relationships | 6.6 | 1.6 | 8.0 | (0.6) |
| Interest Expense | Interest Rate Contract | ||||
| Loss on free-standing derivative instruments: | ||||
| Net loss on change in fair value of free-standing derivative instruments | $ (0.1) | $ (0.2) | $ (0.1) | $ (1.3) |