Property and Equipment, Net - Schedule of Useful Life for Property and Equipment (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 319.8 | $ 288.9 |
| Less: Accumulated depreciation | (41.2) | (35.3) |
| Total property and equipment, net | 278.6 | 253.6 |
| Building | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 122.0 | 118.4 |
| Equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 74.6 | 49.9 |
| Computer hardware and software | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 11.5 | 9.9 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 52.2 | 50.7 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 59.5 | $ 60.0 |