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Income taxes (Tables)	12 Months Ended
Income taxes (Tables)	Dec. 31, 2022
Income Tax [Absract]
Schedule of Deferred tax assets and liabilities	Recognized in earnings As at December 31 2022 2021 2022 2021 Assets Property, plant and equipment $ 84,668 $ 82,677 $ 448,136 $ 363,468 Provision for reclamation (3,817) (14,509) 203,816 207,633 Inventories 1,689 2,489 8,248 6,559 Foreign exploration and development (1,816) (812) 2,641 4,457 Income tax losses (gains) (66,227) (80,802) 235,683 301,910 Defined benefit plan actuarial losses - - 2,698 8,126 Long-term investments and other (2,355) 16,405 82,849 45,426 Deferred tax assets 12,142 5,448 984,071 937,579 Liabilities Property, plant and equipment - - - - Inventories - - - - Deferred tax liabilities - - - - Net deferred tax asset $ 12,142 $ 5,448 $ 984,071 $ 937,579 Deferred tax allocated as 2022 2021 Deferred tax assets $ 984,071 $ 937,579 Deferred tax liabilities - - Net deferred tax asset $ 984,071 $ 937,579 2022 2021 Deferred tax asset at beginning of year $ 937,579 $ 936,678 Recovery for the year in net earnings 12,142 5,448 Recovery for the year in equity 11,593 - Recovery for the year in purchase price equation 28,196 - Expense for the year in other comprehensive income (5,440) (4,541) Effect of movements in exchange rates 1 (6) End of year $ 984,071 $ 937,579 2022 2021 Income tax losses $ 337,749 $ 288,637 Property, plant and equipment 2,297 2,209 Provision for reclamation 78,336 66,573 Long-term investments and other 18,628 58,330 Total $ 437,010 $ 415,749
Schedule of Tax rate reconciliation	2022 2021 Earnings (loss) before income taxes and non-controlling interest $ 84,795 $ (103,855) Combined federal and provincial tax rate 26.9% 26.9% Computed income tax expense (recovery) 22,810 (27,937) Increase (decrease) in taxes resulting from: Difference between Canadian rates and rates applicable to subsidiaries in other countries 8,986 28,690 Change in unrecognized deferred tax assets 1,234 22,068 Income in equity-accounted investee (25,264) (24,481) Change in uncertain tax positions (6,282) 1,099 Bargain purchase gain (6,129) - Other permanent differences 176 (640) Income tax recovery $ (4,469) $ (1,201)
Schedule of Earnings and income taxes by jurisdiction	2022 2021 Earnings (loss) before income taxes Canada $ 99,944 $ 58,624 Foreign (15,149) (162,479) $ 84,795 $ (103,855) Current income taxes Canada $ 2,260 $ 2,257 Foreign 5,413 1,990 $ 7,673 $ 4,247 Deferred income tax recovery Canada $ (10,178) $ (3,937) Foreign (1,964) (1,511) $ (12,142) $ (5,448) Income tax recovery $ (4,469) $ (1,201)
Schedule of Income tax losses	Date of expiry Canada US Other Total 2026 $ - $ - $ 14,720 $ 14,720 2027 - - 243 243 2028 - - 63 63 2029 47 - 12,625 12,672 2031 - 21,768 - 21,768 2032 272 23,444 - 23,716 2033 - 36,033 - 36,033 2034 - 16,724 4,526 21,250 2035 282,522 7,622 7,233 297,377 2036 210,591 46,621 5,698 262,910 2037 27 34,921 2,985 37,933 2038 500 37,660 320 38,480 2039 6,423 29,130 335 35,888 2040 3,110 55,775 - 58,885 2041 77 229,464 - 229,541 2042 49 22,577 - 22,626 No expiry - - 1,057,720 1,057,720 $ 503,618 $ 561,739 $ 1,106,468 $ 2,171,825