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FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Millions | Mar. 31, 2019 USD ($)
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Level 2 |
Financial instruments |
Notes payable fair value disclosure | $ 630.1
Discount Rate | Level 3 | Obligations | Minimum |
Financial instruments |
Contingent consideration liability measurement input | 0.024
Discount Rate | Level 3 | Obligations | Maximum |
Financial instruments |
Contingent consideration liability measurement input | 0.034
Probability of Milestone Achievement | Level 3 | Obligations | Minimum |
Financial instruments |
Contingent consideration liability measurement input | 0.000
Probability of Milestone Achievement | Level 3 | Obligations | Maximum |
Financial instruments |
Contingent consideration liability measurement input | 0.984
Volatility of Future Revenue | Level 3 | Obligations |
Financial instruments |
Contingent consideration liability measurement input | 0.450

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