Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Balance at beginning of period | $ 120.7 | $ 51.8 |
| Gross increases - tax positions in prior period | 7.2 | 41.0 |
| Gross increases - tax positions in current period | 11.8 | 21.5 |
| Current year acquisitions | 0.0 | 6.4 |
| Balance at end of period | $ 139.7 | $ 120.7 |