Non-financial assets and liabilities - Additional Information, property plant and equipment (Details) |
12 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Plant and Equipment | Bottom of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Plant and Equipment | Top of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 15 years |
| Office Furniture and Equipment | Bottom of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| Office Furniture and Equipment | Top of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 20 years |
| Computer Hardware and Software | Bottom of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Computer Hardware and Software | Top of range | |
| Disclosure Of Property Plant And Equipment [Line Items] | |
| Estimated useful lives | 5 years |