Short-Term Investments - Schedule of Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Schedule Of Available For Sale Securities [Line Items]
Short-term investments, Amortized cost	$ 1,149,336	$ 655,232
Short-term investments, Gross unrealized gains	10	143
Short-term investments, Gross unrealized losses	(5,938)	(61)
Short-term investments	1,143,408	655,314
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Short-term investments, Amortized cost	663,946	466,403
Short-term investments, Gross unrealized gains	5	111
Short-term investments, Gross unrealized losses	(3,653)	(55)
Short-term investments	660,298	466,459
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Short-term investments, Amortized cost	416,879	155,663
Short-term investments, Gross unrealized gains	5	16
Short-term investments, Gross unrealized losses	(2,059)	(5)
Short-term investments	414,825	155,674
Asset Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Short-term investments, Amortized cost	49,403	26,391
Short-term investments, Gross unrealized gains	0	16
Short-term investments, Gross unrealized losses	(226)	(1)
Short-term investments	49,177	26,406
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Short-term investments, Amortized cost	19,108	6,775
Short-term investments, Gross unrealized gains	0	0
Short-term investments, Gross unrealized losses	0	0
Short-term investments	$ 19,108	$ 6,775