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Property, plant and equipment, net - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,396,859	$ 2,112,200
Less: Accumulated depreciation	(265,246)	(181,246)
Less: Impairment	(16,177)	(385)
Property, plant and equipment, net	2,115,436	1,930,567
Mining hardware
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,134,032	1,135,584
HPC hardware
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	106,047	76,001
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	671,382	639,750
Plant and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,485	10,002
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,043	13,086
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	38	43
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 464,832	$ 237,734

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