Noncontrolling Interests - Schedule of Noncontrolling Interests Activity (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Equity, Attributable to Noncontrolling Interest [Roll Forward]
Balance-beginning of period	$ 5,871,994	$ 5,581,507	$ 4,831,986	$ 4,987,551	$ 5,581,507	$ 4,987,551
Sale of shares to noncontrolling interests			850,058
Share of foreign currency translation adjustments	(432,264)	290,274	226,788	(107,903)	(141,990)	118,885
Net loss	101,542	24,861	(28,475)	(67,534)	126,403	(96,009)
Balance-end of period	5,536,347	5,871,994	5,844,056	4,831,986	5,536,347	5,844,056
NCI
Equity, Attributable to Noncontrolling Interest [Roll Forward]
Balance-beginning of period	370,917	371,392	0	0	371,392	0
Sale of shares to noncontrolling interests			373,573
Share of foreign currency translation adjustments	(950)	551	1,065
Net loss	(1,843)	(1,026)	(1,484)
Balance-end of period	368,124	370,917	373,154	0	368,124	373,154
NCI | Silicon Carbide
Equity, Attributable to Noncontrolling Interest [Roll Forward]
Balance-beginning of period		$ 371,392		$ 0	371,392	0
Sale of shares to noncontrolling interests					0	373,573
Share of foreign currency translation adjustments					(399)	1,065
Net loss					(2,869)	(1,484)
Balance-end of period	$ 368,124		$ 373,154		$ 368,124	$ 373,154