Income Taxes - Summary of Components of Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Domestic	$ (456,528)	$ (148,014)	$ (183,601)
Foreign	(57,203)	67,733	54,020
Loss before income taxes and equity in net loss of equity-method investees	$ (513,731)	$ (80,281)	$ (129,581)