Income Taxes - Components of Earnings (Losses) Before Income Taxes by Jurisdiction (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
U.S. income (loss)	$ (450,370)	$ (62,721)	$ 21,692
Non-U.S. income	94,812	344,528	330,898
Earnings (loss) before income taxes	$ (355,558)	$ 281,807	$ 352,590