In millions, except per share items | Jun-30-23 | Mar-31-23 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Sep-30-21 | Jun-30-21 |
| 6-K | 6-K | 6-K | 6-K | 6-K | 6-K | 6-K |
Revenue | | | | | | | |
Cost of sales: | | | | | | | |
Direct production costs | 25.5 | 26.5 | 24.5 | 19.8 | 26.7 | 18.6 | 26.2 |
|
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 | | | | | | | |
Care and maintenance costs | | | 0.2 | 0.2 | 0.2 | 0.4 | 0.1 |
|
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) | | | | | | | |