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TRANSACTIONS - Joint Venture with Astron on the Donald Project (Details) $ in Thousands, $ in Millions		3 Months Ended		10 Months Ended	12 Months Ended
	Sep. 24, 2024 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2025 USD ($)	Jun. 03, 2025 USD ($)	Sep. 25, 2024	Jun. 03, 2024 USD ($)	Jun. 03, 2024 AUD ($)
Variable Interest Entity [Line Items]
Amount expected to be invested within the next year		$ 5,682	$ 0
Variable interest entity, maximum loss exposure		$ 18,590		$ 18,590
Donald Project Joint Venture
Variable Interest Entity [Line Items]
Equity method, ownership percentage		6.58%		6.58%		3.21%
Astron Corporation Limited | Donald Project Joint Venture
Variable Interest Entity [Line Items]
Equity method, ownership percentage		93.42%		93.42%
Private Placement
Variable Interest Entity [Line Items]
Stock Issued During Period, Value, New Issues For Joint Venture Interest	$ 3,500
Forecast | Private Placement | Maximum
Variable Interest Entity [Line Items]
Value of common shares issued in transaction					$ 17,500
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Maximum right to invest							$ 114,500	$ 183
Amount expected to be invested within the next year				$ 18,590
Variable Interest Entity, Not Primary Beneficiary | Forecast
Variable Interest Entity [Line Items]
Maximum possible ownership percentage					49.00%

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