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Income taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax [Absract]

Schedule of Deferred tax assets and liabilities



		Recognized in earnings						As at December 31
		2020			2019			2020			2019


Assets
Property, plant and equipment	$	(38,389)		$	74,039		$	280,798		$	319,185
Provision for reclamation		28,628			2,325			222,142			193,514
Inventories		4,071			(2,163)			4,071			-
Foreign exploration and development		2			(14)			5,269			5,267
Income tax losses (gains)		(7,629)			(108,839)			382,712			390,341
Defined benefit plan actuarial losses		-			-			9,410			7,947
Long-term investments and other		(5,678)			(17,377)			32,276			40,423

Deferred tax assets		(18,995)			(52,029)			936,678			956,677


Liabilities
Inventories		(301)			301			-			301

Deferred tax liabilities		(301)			301			-			301


Net deferred tax asset (liability)	$	(18,694)		$	(52,330)		$	936,678		$	956,376



Deferred tax allocated as								2020			2019

Deferred tax assets							$	936,678		$	956,376
Deferred tax liabilities								-			-

Net deferred tax asset							$	936,678		$	956,376



		2020			2019


Deferred tax asset at beginning of year	$	956,376		$	1,006,012
Expense for the year in net earnings		(18,694)			(52,330)
Recovery (expense) for the year in other comprehensive income		(1,006)			2,754
Effect of movements in exchange rates		2			(60)

End of year	$	936,678		$	956,376



		2020			2019


Income tax losses	$	271,163		$	280,330
Property, plant and equipment		2,204			2,321
Provision for reclamation		75,219			75,082
Long-term investments and other		60,223			70,380

Total	$	408,809		$	428,113

Schedule of Tax rate reconciliation


				2020			2019


Earnings (loss) before income taxes and non-controlling interest			$	(39,531)		$	135,018
Combined federal and provincial tax rate				26.9%			26.9%

Computed income tax expense (recovery)				(10,634)			36,320
Increase (decrease) in taxes resulting from:
	Difference between Canadian rates and rates
		applicable to subsidiaries in other countries		42,028			5,558
	Change in unrecognized deferred tax assets			(7,766)			19,646
	Share-based compensation plans			398			1,146
	Change in legislation			(1,978)			-
	Income in equity-accounted investee			(12,155)			(12,074)
	Change in uncertain tax positions			2,455			2,572
	Other permanent differences			1,318			7,909

Income tax expense			$	13,666		$	61,077

Schedule of Earnings and income taxes by jurisdiction



			2020			2019


Earnings (loss) before income taxes
	Canada	$	72,809		$	229,429
	Foreign		(112,340)			(94,411)

		$	(39,531)		$	135,018


Current income taxes (recovery)
	Canada	$	(394)		$	7,969
	Foreign		(4,634)			778

		$	(5,028)		$	8,747
Deferred income taxes (recovery)
	Canada	$	9,122		$	60,010
	Foreign		9,572			(7,680)

		$	18,694		$	52,330

Income tax expense		$	13,666		$	61,077

Schedule of Income tax losses


Date of expiry		Canada		US		Other		Total


2026	$	-	$	-	$	13,819	$	13,819
2027		-		-		2,841		2,841
2030		47		-		-		47
2031		-		20,436		-		20,436
2032		272		22,010		-		22,282
2033		7,037		37,520		-		44,557
2034		365,039		20,697		4,850		390,586
2035		372,376		14,401		7,752		394,529
2036		211,299		43,769		6,106		261,174
2037		143		32,785		298		33,226
2038		5,581		35,357		-		40,938
2039		6,424		27,348		-		33,772
2040		3,669		21,798		-		25,467
No expiry		-		-		1,115,973		1,115,973

	$	971,887	$	276,121	$	1,151,639	$	2,399,647