Other income, net - Summary of Components of Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Other Income and Expenses [Abstract]
Foreign currency transaction (gain) loss	$ (31,467)	$ (13,921)	$ 5,203	$ (15,932)
Income related to equity method investments	(38,853)	(36,544)	(76,970)	(74,655)
Non-service components of retirement benefit cost	(12,434)	(16,987)	(24,646)	(35,473)
Gain on disposal of assets and divestitures	(248,613)	(8,941)	(257,348)	(20,867)
Interest income	(2,431)	(1,880)	(5,248)	(5,540)
Other items, net	5,082	(6,738)	(508)	(10,999)
Other income, net	$ (328,716)	$ (85,011)	$ (359,517)	$ (163,466)