Goodwill - Roll Forward of Goodwill (Detail) $ in Thousands	9 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Balance	$ 3,407,110
Goodwill acquired	209,526	[1]
Foreign currency translation	15,439
Balance	3,632,075
Domestic
Goodwill [Roll Forward]
Balance	3,279,856
Goodwill acquired	211,004	[1]
Foreign currency translation	1,139
Balance	3,491,999
International
Goodwill [Roll Forward]
Balance	127,254
Goodwill acquired	(1,478)	[1]
Foreign currency translation	14,300
Balance	$ 140,076

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