INCOME TAXES - Schedule of Income Loss Before Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Domestic	$ 471,711	$ 379,414	$ 308,922
Foreign	27,904	22,223	18,987
Income before income taxes	$ 499,615	$ 401,637	$ 327,909