GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)	3 Months Ended	6 Months Ended	9 Months Ended
	Dec. 31, 2019 reporting_unit	Sep. 30, 2019 reporting_unit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	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			$ 1,714,109,000		$ 1,725,680,000
Carrying value of intangible assets			$ 535,095,000		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