Short-Term Investments and Funds Held for Customers - Schedule of Gross Unrealized Losses And Fair Values (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025
Short-term investments:
Fair value, less than 12 months	$ 147,285	$ 379,608
Unrealized losses, less than 12 months	(106)	(347)
Fair value, 12 months or longer	1,721	0
Unrealized losses, 12 months or longer	(1)	0
Fair value	149,006	379,608
Unrealized losses	(107)	(347)
Funds held for customers:
Fair value, less than 12 months	58,757	100,353
Unrealized losses, less than 12 months	(52)	(217)
Fair value, 12 months or longer	12,069	0
Unrealized losses, 12 months or longer	(30)	0
Fair value	70,826	100,353
Unrealized losses	(82)	(217)
Corporate bonds
Short-term investments:
Fair value, less than 12 months	69,353	209,648
Unrealized losses, less than 12 months	(25)	(274)
Fair value, 12 months or longer	1,721	0
Unrealized losses, 12 months or longer	(1)	0
Fair value	71,074	209,648
Unrealized losses	(26)	(274)
Funds held for customers:
Fair value, less than 12 months		12,867
Unrealized losses, less than 12 months		(1)
Fair value, 12 months or longer		0
Unrealized losses, 12 months or longer		0
Fair value		12,867
Unrealized losses		(1)
U.S. treasury securities
Short-term investments:
Fair value, less than 12 months	55,619	139,598
Unrealized losses, less than 12 months	(72)	(58)
Fair value, 12 months or longer	0	0
Unrealized losses, 12 months or longer	0	0
Fair value	55,619	139,598
Unrealized losses	(72)	(58)
Funds held for customers:
Fair value, less than 12 months	56,753	82,910
Unrealized losses, less than 12 months	(49)	(216)
Fair value, 12 months or longer	12,069	0
Unrealized losses, 12 months or longer	(30)	0
Fair value	68,822	82,910
Unrealized losses	(79)	(216)
Asset-backed securities
Short-term investments:
Fair value, less than 12 months	19,714	30,362
Unrealized losses, less than 12 months	(9)	(15)
Fair value, 12 months or longer	0	0
Unrealized losses, 12 months or longer	0	0
Fair value	19,714	30,362
Unrealized losses	(9)	(15)
Funds held for customers:
Fair value, less than 12 months		4,576
Unrealized losses, less than 12 months		0
Fair value, 12 months or longer		0
Unrealized losses, 12 months or longer		0
Fair value		4,576
Unrealized losses		$ 0
Certificates of deposit
Short-term investments:
Fair value, less than 12 months	2,599
Unrealized losses, less than 12 months	0
Fair value, 12 months or longer	0
Unrealized losses, 12 months or longer	0
Fair value	2,599
Unrealized losses	0
Municipal bonds
Funds held for customers:
Fair value, less than 12 months	2,004
Unrealized losses, less than 12 months	(3)
Fair value, 12 months or longer	0
Unrealized losses, 12 months or longer	0
Fair value	2,004
Unrealized losses	$ (3)