| In millions, except per share items | Jun-30-23 | Mar-31-23 | Sep-30-22 | Jun-30-22 |
| | 6-K | 6-K | 6-K | 6-K |
| Revenue | | | | |
| Cost of sales: | | | | |
| |
| Royalties | | | | |
| Share-based payments | | | | |
| Depreciation, depletion and amortization | | | | |
| Write down of inventory to net realizable value | | | | |
| Cost of sales | | | | |
| Mine operating earnings | | | | |
| Expenses: | | | | |
| Exploration and evaluation | | | | |
| General and administrative | | | | |
| |
| Impairment (reversal of impairment) of non-current assets, net | | | | |
| Severance costs | | | | |
| |
| Total expenses | | | | |
| Operating earnings (loss) | | | | |
| Finance costs | | | | |
| Other income (expense): | | | | |
| Write down of inventory to net realizable value | | | | |
| Write off of IVA receivable | | | | |
| Foreign exchange | | | | |
| Gain on asset disposal | | | | |
| Investment and other | | | | |
| Total other income (expense) | | | | |
| Earnings (loss) before income taxes | | | | |
| Income tax expense (recovery): | | | | |
| Current income tax expense | | | | |
| Deferred income tax expense (recovery) | | | | |
| Income tax expense | | | | |
| Net earnings and comprehensive earnings for the year | | | | |
| Basic earnings per share based on net earnings (in dollars per share) | | | | |
| Diluted earnings per share based on net earnings (in dollars per share) | | | | |
| Basic weighted average number of shares outstanding (in shares) | | | | |
| Diluted weighted average number of shares outstanding (in shares) | | | | |