GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)	3 Months Ended	6 Months Ended		9 Months Ended
	Dec. 31, 2019 reporting_unit	Sep. 30, 2020 USD ($)	Sep. 30, 2019 reporting_unit	Dec. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Number of reporting units | reporting_unit	1		2
Impairment of intangible assets				$ 0
Goodwill		$ 1,718,595,000			$ 1,725,680,000
Carrying value of intangible assets		$ 551,783,000			582,179,000
Weighted average useful life of acquired intangible assets		14 years 7 months 6 days
Developed and Core Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of acquired intangible assets		11 years 2 months 12 days
Customer and Distributor Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of acquired intangible assets		15 years 10 months 24 days
Trademarks and Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of acquired intangible assets		8 years 7 months 6 days
Capitalized Software
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of acquired intangible assets		3 years
Trade Name
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets carrying value		$ 18,600,000			$ 18,600,000