ACQUIRED INTANGIBLE ASSETS - Calculation of Acquired Intangibles by Asset Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 2,518,976	$ 2,233,435
Accumulated Amortization	(906,412)	(1,086,931)
Total	1,612,564	1,146,504
Technology assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	1,084,144	835,498
Accumulated Amortization	(502,376)	(349,259)
Total	581,768	486,239
Reduction of intangible asset	$ 52,600
Weighted-average amortization period (in years) for acquired intangible assets	5 years
Customer assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 1,434,832	1,397,937
Accumulated Amortization	(404,036)	(737,672)
Total	1,030,796	$ 660,265
Reduction of intangible asset	$ 553,200
Weighted-average amortization period (in years) for acquired intangible assets	7 years