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REVENUE (Rebate Arrangements) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025 | Dec. 31, 2024
Rebate and up-front considerations arrangements |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Deferred revenue | $ 34.6 | $ 34.6 | $ 30.0
Deferred revenue recognized | 2.5 | 7.9 |
Customer commitment arrangements, multi-year arrangements |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Estimation of future revenues | $ 4,700.0 | $ 4,700.0 |

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