CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Unrealized gain (loss) on available-for-sale securities tax benefit (provision) | $ (4.5) | $ 0.6 | $ (1.3) | $ 0.6 |
| Unrealized gain (loss) on interest rate swaps tax benefit (provision) | $ 16.1 | $ (26.4) | $ 3.1 | $ (24.9) |