Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail 2) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Expected tax expense computed at federal statutory rate	$ 95,460	$ 104,919	$ 84,344
State and local taxes, net of federal benefit	21,295	21,252	15,965
Remeasurement of current year NOL	(1,124)	(56,192)
R&D tax credit, net	(15,708)	(18,173)	(10,700)
Stock-based compensation	(3,981)	(5,525)	(10,900)
Nonincludible and nondeductible items, net	1,588	(2,269)	3,133
Remeasurement of deferred taxes	(5,629)
Other	(4,123)	(1,840)	(1,685)
Total income tax expense	$ 87,778	$ 42,172	$ 80,157
Effective income tax rate	19.30%	8.40%	20.00%