Investments (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 01, 2021	Oct. 31, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Net sales			$ 2,370,190	$ 1,479,593	$ 4,950,442	$ 2,607,321
Gross Profit			558,487	580,424	1,835,027	1,029,454
Net income			676,439	440,592	1,953,142	722,139
Fine Chemistry Services
Schedule of Investments [Line Items]
Preferred Stock, Value, Outstanding	$ 270,000		272,700		272,700			$ 260,100
Preferred Stock, Dividend Rate, Percentage	12.00%
Significant Unconsolidated Joint Ventures
Schedule of Investments [Line Items]
Net sales			2,319,020	626,692	4,278,318	1,019,525
Gross Profit			2,244,236	567,660	4,145,936	922,102
Income (Loss) Attributable to Parent, before Tax			2,151,879	453,370	3,936,029	745,922
Net income			1,506,326	$ 317,363	2,755,228	$ 522,150
Windfield Holdings
Schedule of Investments [Line Items]
Carrying value of unconsolidated investment			$ 945,500		$ 945,500			694,500
Windfield Holdings | Windfield Holdings
Schedule of Investments [Line Items]
Equity method investment, ownership percentage			49.00%		49.00%
Other variable interest entities
Schedule of Investments [Line Items]
Carrying value of unconsolidated investment			$ 6,800		$ 6,800			$ 6,700
Forecast | Minimum | Mineral Resources Limited
Schedule of Investments [Line Items]
Capital costs committed							$ 380,000
Forecast | Maximum | Mineral Resources Limited
Schedule of Investments [Line Items]
Capital costs committed							$ 400,000
Kemerton Plant | Forecast
Schedule of Investments [Line Items]
Ownership percentage purchased							40.00%
Mineral Resources Limited Wodgina Project
Schedule of Investments [Line Items]
Ownership percentage		60.00%
Mineral Resources Limited Wodgina Project | Forecast
Schedule of Investments [Line Items]
Ownership percentage purchased							10.00%
Ownership percentage							50.00%