PROPERTY, PLANT AND MINE DEVELOPMENT (Tables)

12 Months Ended

Dec. 31, 2019

PROPERTY, PLANT AND MINE DEVELOPMENT

Schedule of property, plant and mine development

					Mine
	Mining		Plant and		Development
	Properties		Equipment		Costs		Total
As at December 31, 2017	$	1,665,527	$	1,991,121	$	1,969,904	$	5,626,552
Additions		335,938		247,655		681,882		1,265,475
Impairment loss (Note 24)		(100,676)		—		—		(100,676)
Disposals		(8,554)		(5,590)		—		(14,144)
Amortization		(146,793)		(268,028)		(128,084)		(542,905)
Transfers between categories		29,621		19,709		(49,330)		—
As at December 31, 2018	$	1,775,063		1,984,867		2,474,372		6,234,302
Additions		63,305		314,469		635,030		1,012,804
Impairment reversal (Note 24)		172,484		—		173,337		345,821
Disposals		(937)		(19,434)		—		(20,371)
Amortization		(152,160)		(300,027)		(116,704)		(568,891)
Transfers between categories		150,796		1,207,920		(1,358,716)		—
As at December 31, 2019	$	2,008,551	$	3,187,795	$	1,807,319	$	7,003,665
As at December 31, 2018
Cost	$	3,135,284	$	4,839,166	$	3,281,066	$	11,255,516
Accumulated amortization and impairments		(1,360,221)		(2,854,299)		(806,694)		(5,021,214)
Carrying value - December 31, 2018	$	1,775,063	$	1,984,867	$	2,474,372	$	6,234,302
As at December 31, 2019
Cost	$	3,348,912	$	6,182,372	$	2,540,534	$	12,071,818
Accumulated amortization and impairments		(1,340,361)		(2,994,577)		(733,215)		(5,068,153)
Carrying value - December 31, 2019	$	2,008,551	$	3,187,795	$	1,807,319	$	7,003,665

Schedule of geographical information of property, plant and mine development

	As at		As at
	December 31,		December 31,
	2019		2018
Northern Business:
Canada	$	5,000,544	$	4,386,051
Finland		1,205,935		996,946
Sweden		13,812		13,812
Southern Business:
Mexico		780,877		835,797
United States		2,497		1,696
Total property, plant and mine development	$	7,003,665	$	6,234,302