Investments (Details) $ in Thousands			3 Months Ended		9 Months Ended
	Jun. 01, 2021 USD ($)	Oct. 31, 2019	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($) metricTon	Dec. 31, 2022 USD ($)
Schedule of Investments [Line Items]
Net sales			$ 2,580,252	$ 1,127,728
Gross Profit			1,276,540	449,030
Net income			1,276,703	281,547
Fine Chemistry Services
Schedule of Investments [Line Items]
Preferred Stock, Value, Outstanding	$ 270,000		266,300			$ 260,100
Preferred Stock, Dividend Rate, Percentage	12.00%
Significant Unconsolidated Joint Ventures
Schedule of Investments [Line Items]
Net sales			1,959,298	392,833
Gross Profit			1,901,700	354,442
Income (Loss) Attributable to Parent, before Tax			1,784,150	292,552
Net income			1,248,902	$ 204,787
Windfield Holdings
Schedule of Investments [Line Items]
Carrying value of unconsolidated investment			$ 746,800			694,500
Windfield Holdings | Windfield Holdings
Schedule of Investments [Line Items]
Equity method investment, ownership percentage			49.00%
Other variable interest entities
Schedule of Investments [Line Items]
Carrying value of unconsolidated investment			$ 7,700			$ 6,700
Forecast | Minimum | Mineral Resources Limited
Schedule of Investments [Line Items]
Capital costs committed					$ 100,000
Forecast | Maximum | Mineral Resources Limited
Schedule of Investments [Line Items]
Capital costs committed					$ 150,000
Forecast | Mineral Resources Limited
Schedule of Investments [Line Items]
Capital costs committed percent					50.00%
Capital costs committed					$ 350,000
Kemerton Plant
Schedule of Investments [Line Items]
Ownership percentage			60.00%
Kemerton Plant | Forecast
Schedule of Investments [Line Items]
Ownership percentage					85.00%
Ownership percentage purchased					25.00%
Mineral Resources Limited Wodgina Project
Schedule of Investments [Line Items]
Ownership percentage		60.00%	40.00%
Mineral Resources Limited Wodgina Project | Forecast
Schedule of Investments [Line Items]
Ownership percentage					50.00%
Ownership percentage purchased					10.00%
Qinzhou Plant | Forecast
Schedule of Investments [Line Items]
Designed Annual Conversion Capacity | metricTon					25,000
Qinzhou Plant | Forecast | Mineral Resources Limited
Schedule of Investments [Line Items]
Ownership percentage					50.00%
Meishan Plant | Forecast
Schedule of Investments [Line Items]
Designed Annual Conversion Capacity | metricTon					50,000
Meishan Plant | Forecast | Mineral Resources Limited
Schedule of Investments [Line Items]
Ownership percentage					50.00%