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Income taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax [Absract]

Schedule of Deferred tax assets and liabilities



		Recognized in earnings						As at December 31
		2017			2016			2017			2016


Assets
Property, plant and equipment	$	(4,325)		$	118,853		$	115,193		$	118,853
Provision for reclamation		(16,760)			(11,001)			227,785			244,012
Inventories		1,027			-			1,027			-
Foreign exploration and development		16			(43)			5,295			5,279
Income tax losses (gains)		57,203			(22,093)			459,885			402,550
Defined benefit plan actuarial losses		-			-			7,845			5,691
Long-term investments and other		(27,166)			(25,589)			31,674			56,093

Deferred tax assets		9,995			60,127			848,704			832,478


Liabilities
Property, plant and equipment		-			(68,385)			-			-
Inventories		(12,430)			(10,144)			-			12,430

Deferred tax liabilities		(12,430)			(78,529)			-			12,430


Net deferred tax asset	$	22,425		$	138,656		$	848,704		$	820,048



Deferred tax allocated as								2017			2016

Deferred tax assets							$	861,171		$	835,985
Deferred tax liabilities								(12,467)			(15,937)

Net deferred tax asset							$	848,704		$	820,048



		2017			2016


Net deferred tax asset at beginning of year	$	820,048		$	678,495
Recovery for the year in net earnings		22,425			138,656
Recovery for the year in other comprehensive income		1,490			435
Effect of movements in exchange rates		4,741			2,462

End of year	$	848,704		$	820,048



		2017			2016


Income tax losses	$	259,770		$	284,338
Property, plant and equipment		2,076			3,789
Provision for reclamation		71,463			40,749
Long-term investments and other		68,544			107,096

Total	$	401,853		$	435,972

Schedule of Tax rate reconciliation


				2017			2016


Loss before income taxes and non-controlling interest			$	(207,237)		$	(154,234)
Combined federal and provincial tax rate				26.7%			26.9%

Computed income tax recovery				(55,332)			(41,489)
Increase (decrease) in taxes resulting from:
	Difference between Canadian rates and rates
		applicable to subsidiaries in other countries		(51,526)			(175,092)
	Change in unrecognized deferred tax assets			70,353			106,766
	Other taxes			-			(2,278)
	Share-based compensation plans			1,349			1,221
	Change in tax provision related to transfer pricing			3,000			8,000
	Non-deductible (non-taxable) capital amounts			3,034			-
	Change in legislation			(12,199)			-
	Non-deductible goodwill impairment			35,520			-
	Other permanent differences			3,282			8,517

Income tax recovery			$	(2,519)		$	(94,355)

Schedule of Earnings and income taxes by jurisdiction



			2017			2016


Earnings (loss) before income taxes
	Canada	$	(53,521)		$	(463,946)
	Foreign		(153,716)			309,712

		$	(207,237)		$	(154,234)


Current income taxes
	Canada	$	5,221		$	3,454
	Foreign		14,685			40,847

		$	19,906		$	44,301
Deferred income tax recovery
	Canada	$	(18,272)		$	(120,519)
	Foreign		(4,153)			(18,137)

		$	(22,425)		$	(138,656)

Income tax recovery		$	(2,519)		$	(94,355)

Schedule of Income tax losses


Date of expiry		Canada		US		Other		Total


2030	$	47	$	-	$	-	$	47
2031		-		20,147		-		20,147
2032		171,687		21,698		-		193,385
2033		284,592		36,989		-		321,581
2034		302,121		20,404		-		322,525
2035		334,769		14,198		-		348,967
2036		168,218		43,150		-		211,368
2037		18		53,724		-		53,742
2038		-		-		-		-
2039		-		-		-		-
2040		-		-		-		-
No expiry		-		-		1,137,308		1,137,308

	$	1,261,452	$	210,310	$	1,137,308	$	2,609,070