FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Financial instruments
Changes in fair value		$ 11.4	$ 5.3
Contingent Consideration
Financial instruments
Changes in fair value	$ 12.5	$ 12.5	$ 0.0
Revenue Volatility
Financial instruments
Contingent consideration liability measurement input	0.25	0.25
Minimum | Discount Rate
Financial instruments
Contingent consideration liability measurement input	0.036	0.036
Minimum | Probability of Milestone Achievement
Financial instruments
Contingent consideration liability measurement input	0	0
Maximum | Discount Rate
Financial instruments
Contingent consideration liability measurement input	0.116	0.116
Maximum | Probability of Milestone Achievement
Financial instruments
Contingent consideration liability measurement input	0.60	0.60
Weighted Average | Discount Rate
Financial instruments
Contingent consideration liability measurement input	0.114	0.114
Weighted Average | Probability of Milestone Achievement
Financial instruments
Contingent consideration liability measurement input	0.60	0.60
Level 2
Financial instruments
Notes payable fair value disclosure	$ 602.2	$ 602.2