Short-Term Investments - Schedule of Short-Term Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	$ 1,122,755	$ 1,046,830
Gross unrealized gains	115	257
Gross unrealized losses	(3,414)	(3,977)
Fair value	1,119,456	1,043,110
Corporate bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	454,350	481,658
Gross unrealized gains	75	207
Gross unrealized losses	(2,008)	(2,382)
Fair value	452,417	479,483
U.S. treasury securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	484,895	409,586
Gross unrealized gains	17	42
Gross unrealized losses	(1,083)	(1,260)
Fair value	483,829	408,368
Asset-backed securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	63,323	51,321
Gross unrealized gains	17	8
Gross unrealized losses	(120)	(136)
Fair value	63,220	51,193
Certificates of deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	65,904	46,099
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair value	65,904	46,099
U.S. agency securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost	54,283	58,166
Gross unrealized gains	6	0
Gross unrealized losses	(203)	(199)
Fair value	$ 54,086	$ 57,967