Income and mining taxes (Tables)

12 Months Ended

Dec. 31, 2023

Major components of tax expense (income) [abstract]

Disclosure of detailed information about effective income tax expense (recovery) [Table Text Block]

		Year ended December 31,
		2023			2022
Current:
Income taxes	$	87,490		$	10,940
Mining taxes		21,974			10,673
Adjustments in respect of prior years		(4,383	)		(704	)
		105,081			20,909
Deferred:
Income tax (recoveries) expense - origination, revaluation and/or reversal of temporary differences		(25,854	)		218
Mining tax (recoveries) expense - origination, revaluation and/or reversal of temporary difference		(2,431	)		5,464
Adjustments in respect of prior years		5,491			(1,158	)
		(22,794	)		4,524
	$	82,287		$	25,433

Disclosure of detailed information about deferred taxes [Table Text Block]

		Dec. 31, 2023			Dec. 31, 2022
Deferred income tax asset	$	151,946		$	125,638
Deferred income tax liability		(362,767	)		(233,730	)
Deferred mining tax liability		(44,385	)		(17,564	)
		(407,152	)		(251,294	)
Net deferred tax liability balance, end of year	$	(255,206	)	$	(125,656	)

Disclosure of detailed information about changes in deferred tax assets and liabilities [Table Text Block]

		Year ended December 31,
		2023			2022
Net deferred tax liability balance, beginning of year	$	(125,656	)	$	(128,180	)
Deferred tax recovery (expense) (note 25a)		22,794			(4,524	)
OCI transactions		(225	)		(2,384	)
Foreign currency translation on the deferred tax liability		(3,873	)		9,432
Acquisition of Copper Mountain mining (note 5)		(148,246	)		-
Net deferred tax liability balance, end of year	$	(255,206	)	$	(125,656	)

Disclosure of detailed information about reconciliation to statutory tax rate [Table Text Block]

		Year ended December 31,
		2023			2022
Profit before tax	$	151,830		$	95,815
Statutory tax rate		26.2%			26.3%
Tax expense at statutory rate		39,779			25,199
Effect of:
Deductions related to mining taxes		(6,937	)		(3,249	)
Adjusted income taxes		32,842			21,950
Mining tax expense		18,827			15,959
		51,669			37,909
Permanent differences related to:
Capital items		371			(321	)
Other income tax permanent differences		870			3,839
Withholding tax on dividends		11,750			-
Impact of remeasurement on decommissioning liability		(6,363	)		(38,950	)
Temporary income tax differences not recognized		5,448			(509	)
Recognition of previously unrecognized deferred tax assets		(5,335	)		(3,943	)
Impact related to differences in tax rates in foreign operations		27,931			15,339
Impact of changes to statutory tax rates		878			958
Foreign exchange on non-monetary items		(7,384	)		13,094
Impact related to tax assessments and tax return amendments		1,906			(1,983	)
Other		546			-
Tax expense	$	82,287		$	25,433

Disclosure of temporary differences recognized [Table Text Block]

		Balance sheet
		Dec. 31, 2023			Dec. 31, 2022
Deferred income tax (liability) asset
Property, plant and equipment	$	(50,367	)	$	(44,029	)
Pension obligation		2,531			2,121
Other employee benefits		26,928			25,395
Decommissioning and restoration provision		20,031			20,454
Non-capital losses		135,284			104,481
Share issuance and debt cost		6,646			6,283
Deferred revenue		1,532			1,195
Other		9,361			9,738
Deferred income tax asset		151,946			125,638
Deferred income tax liability (asset)
Property, plant and equipment		478,657			311,499
Other employee benefits		(1,193	)		(1,024	)
Decommissioning and restoration provision		(19,231	)		(8,376	)
Non-capital losses		(91,951	)		(71,532	)
Other		(3,515	)		3,163
Deferred income tax liability		362,767			233,730
Deferred income tax liability	$	(210,821	)	$	(108,092	)

Disclosure of detailed information about temporary differences - deferred mining tax assets and liabilities [Table Text Block]

Canada		Dec. 31, 2023			Dec. 31, 2022
Property, plant and equipment	$	(52,633	)	$	(4,996	)
Other		17,621			-
	$	(35,012	)	$	(4,996	)
Peru		Dec. 31, 2023			Dec. 31, 2022
Property, plant and equipment	$	(9,373	)	$	(12,568	)