Goodwill and Intangibles - Finite and Indefinite (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Finite-lived intangible assets | |||
| Beginning balance | $ 117.5 | $ 7.9 | $ 7.9 |
| Acquisitions (Note 3) | 78.7 | 113.2 | |
| Assets moved out of held for sale | 0.3 | ||
| Capitalization of internally generated software costs | 0.5 | 1.9 | |
| Amortization | (2.7) | (0.2) | (5.8) |
| Ending balance | 194.0 | 117.5 | |
| Licenses & Trademarks | |||
| Finite-lived intangible assets | |||
| Beginning balance | 111.6 | $ 7.9 | 7.9 |
| Acquisitions (Note 3) | 78.7 | 108.5 | |
| Assets moved out of held for sale | 0.3 | ||
| Amortization | (2.4) | (5.1) | |
| Ending balance | 187.9 | 111.6 | |
| Developed technology | |||
| Finite-lived intangible assets | |||
| Beginning balance | 5.9 | ||
| Acquisitions (Note 3) | 4.7 | ||
| Capitalization of internally generated software costs | 0.5 | 1.9 | |
| Amortization | (0.3) | (0.7) | |
| Ending balance | $ 6.1 | $ 5.9 | |