v3.25.4
Commitments and Contingencies (Narrative) (Details)
kr in Millions, $ in Millions
9 Months Ended
Dec. 31, 2025
SEK (kr)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Other Commitments [Line Items]        
Obligations to mining equipment     $ 109.4 $ 227.8
Input tax recovery obligations related to Swedish Tax Authority kr 729.6 $ 79.2    
Payment called by Swedish Tax Agency kr 84.0   $ 9.4