ACQUIRED INTANGIBLE ASSETS - Calculation of Acquired Intangibles by Asset Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Jun. 30, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 2,449,764	$ 2,518,976
Accumulated Amortization	(943,357)	(906,412)
Total	1,506,407	1,612,564
Technology assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	1,011,214	1,084,144
Accumulated Amortization	(484,102)	(502,376)
Total	527,112	581,768
Finite-Lived Intangible Assets, Gross, Reduction Due to Fully Amortized Intangible Assets	$ 76,700
Weighted-average amortization period (in years) for acquired intangible assets	5 years
Customer assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 1,438,550	1,434,832
Accumulated Amortization	(459,255)	(404,036)
Total	$ 979,295	$ 1,030,796
Weighted-average amortization period (in years) for acquired intangible assets	7 years