Short-Term Investments and Funds Held for Customers - Summary of Fair Value of Funds Held For Customers (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Short-term investments:
Amortized cost	$ 1,123,838	$ 602,232
Gross unrealized gains	1,979	208
Gross unrealized losses	(468)	(905)
Fair value	1,125,349	601,535
Funds held for customers:
Amortized cost	1,621,645	1,516,348
Gross unrealized gains	6,460	36
Gross unrealized losses	(518)	(1,054)
Fair value	1,627,587	1,515,330
Corporate bonds
Short-term investments:
Amortized cost	766,200	298,628
Gross unrealized gains	1,777	140
Gross unrealized losses	(407)	(566)
Fair value	767,570	298,202
Funds held for customers:
Amortized cost	478,345	937,989
Gross unrealized gains	1,946	23
Gross unrealized losses	(3)	(814)
Fair value	480,288	937,198
U.S. treasury securities
Short-term investments:
Amortized cost	228,638	181,225
Gross unrealized gains	66	0
Gross unrealized losses	(37)	(242)
Fair value	228,667	180,983
Funds held for customers:
Amortized cost	798,795	342,202
Gross unrealized gains	3,670	1
Gross unrealized losses	(514)	(162)
Fair value	801,951	342,041
Asset-backed securities
Short-term investments:
Amortized cost	114,312	59,340
Gross unrealized gains	136	68
Gross unrealized losses	(23)	(45)
Fair value	114,425	59,363
Funds held for customers:
Amortized cost	187,169	116,542
Gross unrealized gains	816	11
Gross unrealized losses	(1)	(78)
Fair value	187,984	116,475
Certificates of deposit
Short-term investments:
Amortized cost	14,688	38,370
Gross unrealized gains	0	0
Gross unrealized losses	(1)	0
Fair value	14,687	38,370
Funds held for customers:
Amortized cost	151,331	119,615
Gross unrealized gains	0	1
Gross unrealized losses	0	0
Fair value	151,331	119,616
Municipal bonds
Funds held for customers:
Amortized cost	6,005
Gross unrealized gains	28
Gross unrealized losses	0
Fair value	$ 6,033
U.S. agency securities
Short-term investments:
Amortized cost		24,669
Gross unrealized gains		0
Gross unrealized losses		(52)
Fair value		$ 24,617