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Income and mining taxes - Income tax recovery (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
INCOME AND MINING TAXES |  |
Earnings (loss) before taxes | $ 160.3 | $ (75.0)
Canadian federal and provincial income tax rates | 25.80% | 25.80%
Income tax expense (recovery) based on above rates | $ 41.4 | $ (19.4)
INCREASE (DECREASE) DUE TO |  |
Permanent differences | (19.9) | (1.0)
Different statutory tax rates on earnings of foreign subsidiaries | (0.3) | 0.2
Foreign exchange on non-monetary assets and liabilities | (0.5) | 0.0
Other foreign exchange differences | (32.8) | (5.8)
Prior years’ adjustments relating to tax provision and tax returns | 1.9 | 0.2
Canadian mining tax | 16.7 | 15.8
Change in unrecognized deferred tax assets | 12.0 | 17.4
BC Mining exploration tax credits received | 0.0 | (3.1)
Other | 1.2 | 0.2
Total income tax expense | $ 19.7 | $ 4.3

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