FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Acquisition-related Contingent Consideration Obligations, Narrative (Details) - Recurring basis - Level 3	Jun. 30, 2020
Measurement Input, Discount Rate | Minimum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, contingent consideration obligations, discount rate	0.05
Measurement Input, Discount Rate | Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, contingent consideration obligations, discount rate	0.25
Measurement Input, Weighted-Average Discount Rate
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, contingent consideration obligations, discount rate	0.08