v3.26.3
Development costs - Summary of Development Costs (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Balance at beginning $ 91,124  
Balance at ending 59,012 $ 91,124
Cost    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Balance at beginning 243,904 246,114
Balance at ending 243,904 243,904
Accumulated amortization    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Balance at beginning (152,780) (121,986)
Balance at ending (184,892) (152,780)
Development costs | Cost    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Balance at beginning 23,976 17,702
Additions 6,246 6,448
Investment tax credits (302) (174)
Balance at ending 29,920 23,976
Development costs | Accumulated amortization    
Reconciliation of changes in intangible assets other than goodwill [abstract]    
Balance at beginning (15,538) (9,892)
Amortization (6,147) (5,646)
Balance at ending $ (21,685) $ (15,538)