FAIR VALUE MEASUREMENTS - Schedule of Changes in Fair Value of Contingent Consideration and Other Liability (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Fair value, beginning balance | $ 8.1 | $ 21.5 |
| Additions | 7.9 | |
| Payments | (2.0) | |
| Changes in fair value | (6.1) | (11.4) |
| Fair value, ending balance | 9.9 | 8.1 |
| Contingent Consideration | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Fair value, beginning balance | 2.0 | 16.5 |
| Additions | 7.9 | |
| Payments | (2.0) | |
| Changes in fair value | 0.0 | (12.5) |
| Fair value, ending balance | 9.9 | 2.0 |
| Other | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Fair value, beginning balance | 6.1 | 5.0 |
| Additions | 0.0 | |
| Payments | 0.0 | |
| Changes in fair value | (6.1) | 1.1 |
| Fair value, ending balance | $ 0.0 | $ 6.1 |