GOODWILL - Roll Forward of Goodwill (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Goodwill [Roll Forward]
Balance		$ 2,577,435	$ 2,585,343
Goodwill acquired	[1]	41,891	(5,432)
Foreign currency translation		1,509	(2,476)
Balance		2,620,835	2,577,435
Domestic
Goodwill [Roll Forward]
Balance		2,479,496	2,487,148
Goodwill acquired	[1]	35,024	(7,652)
Balance		2,514,520	2,479,496
International
Goodwill [Roll Forward]
Balance		97,939	98,195
Goodwill acquired	[1]	6,867	2,220
Foreign currency translation		1,509	(2,476)
Balance		$ 106,315	$ 97,939

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