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Fair Value of Financial Instruments - Narrative (Details) - ARIAD $ in Millions |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 01, 2016 | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
Fair value of financial instruments |  |  |
Contingent consideration earned during the period but not yet paid |  | $ 10.8 | $ 10.0
Liability |  |  |
Fair value of financial instruments |  |  |
Projected cash flows period (in years) | 18 years |  |
Liability | Measurement Input, Discount Rate |  |  |
Fair value of financial instruments |  |  |
Valuation input (as a percent) | 0.10 | 0.10 | 0.10

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