Financial Instruments and Fair Value Measurements (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Fair Value by Fair Value Hierarchy Level [Line Items] | ||
| Equity securities without readily determinable fair value | $ 68.1 | $ 68.1 |
| Investment | 97.7 | |
| Unfunded commitments | 3.0 | |
| Capital contributions | 18.7 | |
| Impairment charge related to investments | 28.0 | |
| Money market deposit accounts | ||
| Fair Value by Fair Value Hierarchy Level [Line Items] | ||
| Money market deposit accounts | $ 0.0 | 41.5 |
| Minimum | ||
| Fair Value by Fair Value Hierarchy Level [Line Items] | ||
| Investment fund, term | 7 years | |
| Investment fund, option to extend, term | 2 years | |
| Maximum | ||
| Fair Value by Fair Value Hierarchy Level [Line Items] | ||
| Investment fund, term | 10 years | |
| Investment fund, option to extend, term | 3 years | |
| Fair Value Measured at Net Asset Value Per Share | ||
| Fair Value by Fair Value Hierarchy Level [Line Items] | ||
| Equity securities without readily determinable fair value | $ 97.7 | $ 77.3 |