GOODWILL - Roll Forward of Goodwill (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Goodwill [Roll Forward]
Balance		$ 3,407,110	$ 3,336,079
Goodwill acquired	[1]	209,526	75,149
Foreign currency translation		15,942	(4,118)
Balance		3,632,578	3,407,110
Domestic
Goodwill [Roll Forward]
Balance		3,279,856	3,224,685
Goodwill acquired	[1]	211,004	55,171
Foreign currency translation		887
Balance		3,491,747	3,279,856
International
Goodwill [Roll Forward]
Balance		127,254	111,394
Goodwill acquired	[1]	(1,478)	19,978
Foreign currency translation		15,055	(4,118)
Balance		$ 140,831	$ 127,254

[1] Includes goodwill initially allocated to new business combinations as well as measurement period adjustments.