Short-Term Investments and Funds Held for Customers - Summary of Fair Value of Funds Held For Customers (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Short-term investments:
Amortized cost	$ 618,670	$ 602,232
Gross unrealized gains	1,045	208
Gross unrealized losses	(119)	(905)
Short-term investments	619,596	601,535
Funds held for customers:
Amortized cost	1,589,454	1,516,348
Gross unrealized gains	8,426	36
Gross unrealized losses	(55)	(1,054)
Fair value	1,597,825	1,515,330
Corporate bonds
Short-term investments:
Amortized cost	387,792	298,628
Gross unrealized gains	780	140
Gross unrealized losses	(96)	(566)
Short-term investments	388,476	298,202
Funds held for customers:
Amortized cost	868,685	937,989
Gross unrealized gains	2,489	23
Gross unrealized losses	(13)	(814)
Fair value	871,161	937,198
U.S. treasury securities
Short-term investments:
Amortized cost	137,780	181,225
Gross unrealized gains	63	0
Gross unrealized losses	(20)	(242)
Short-term investments	137,823	180,983
Funds held for customers:
Amortized cost	418,703	342,202
Gross unrealized gains	4,297	1
Gross unrealized losses	(42)	(162)
Fair value	422,958	342,041
Asset-backed securities
Short-term investments:
Amortized cost	65,757	59,340
Gross unrealized gains	181	68
Gross unrealized losses	(3)	(45)
Short-term investments	65,935	59,363
Funds held for customers:
Amortized cost	183,223	116,542
Gross unrealized gains	1,610	11
Gross unrealized losses	0	(78)
Fair value	184,833	116,475
Certificates of deposit
Short-term investments:
Amortized cost	12,690	38,370
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Short-term investments	12,690	38,370
Funds held for customers:
Amortized cost	116,837	119,615
Gross unrealized gains	1	1
Gross unrealized losses	0	0
Fair value	116,838	119,616
U.S. agency securities
Short-term investments:
Amortized cost	14,651	24,669
Gross unrealized gains	21	0
Gross unrealized losses	0	(52)
Short-term investments	14,672	$ 24,617
Municipal Bonds
Funds held for customers:
Amortized cost	2,006
Gross unrealized gains	29
Gross unrealized losses	0
Fair value	$ 2,035