SEGMENT INFORMATION - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets | ||
| Long-lived assets | $ 276.8 | $ 296.9 |
| United States | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Long-lived assets | 94.9 | 94.7 |
| China | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Long-lived assets | 35.7 | 39.4 |
| Other countries | ||
| Revenues from External Customers and Long-Lived Assets | ||
| Long-lived assets | $ 146.2 | $ 162.8 |