v3.26.1
Property, plant and equipment, net - Narrative (Details)
$ in Millions
12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Property, Plant, and Equipment [Line Items]      
Depreciation, excluding ROU $ 417.2 $ 181.1 $ 50.4
Percentage leased 1    
Impairment of assets $ 638.8 7.2 $ 0.0
GPU Hardware      
Property, Plant, and Equipment [Line Items]      
Pledged as security $ 1,487.1 $ 0.0  
Property, plant and equipment, useful life, years 5 years    
Maximum      
Property, Plant, and Equipment [Line Items]      
Lessee, term of contract 36 months    
Minimum      
Property, Plant, and Equipment [Line Items]      
Lessee, term of contract 24 months