Goodwill - Roll Forward of Goodwill (Detail) $ in Thousands	6 Months Ended
	Dec. 31, 2020 USD ($)
Goodwill [Roll Forward]
Balance	$ 3,407,110
Goodwill acquired	209,526	[1]
Foreign currency translation	14,860
Balance	3,631,496
Domestic
Goodwill [Roll Forward]
Balance	3,279,856
Goodwill acquired	211,004	[1]
Foreign currency translation	1,391
Balance	3,492,251
International
Goodwill [Roll Forward]
Balance	127,254
Goodwill acquired	(1,478)	[1]
Foreign currency translation	13,469
Balance	$ 139,245

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