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CONSOLIDATED STATMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Profit or loss [abstract] |  |
Gold revenue | $ 1,225,061 | $ 638,677
Cost of sales |  |
Production costs (Note 19) | (475,702) | (302,394)
Depreciation and depletion | (306,429) | (160,469)
Royalties and production taxes | (78,274) | (25,530)
Total cost of sales | (860,405) | (488,393)
Gross profit | 364,656 | 150,284
General and administrative | (56,138) | (43,613)
Share-based payments (Note 12) | (21,693) | (18,127)
Impairment of long-lived assets, net (Note 8) | (55,353) | 0
Gain on sale of Lynn Lake royalty (Note 8) | 0 | 6,593
Write-down of mineral property interests (Note 8) | (9,398) | (4,150)
Provision for non-recoverable input taxes | (1,646) | (2,180)
Foreign exchange gains (losses) | 4,065 | (1,012)
Other | (4,979) | (1,145)
Operating income | 219,514 | 86,650
Unrealized gain (loss) on fair value of convertible notes (Note 10) | 10,651 | (11,144)
Community relations | (6,855) | (5,512)
Interest and financing expense | (31,754) | (12,906)
Realized gain (loss) on derivative instruments | 5,169 | (3,364)
Unrealized (loss) gain on derivative instruments (Note 14) | (4,757) | 9,684
Write-down of long-term investments | 0 | (1,613)
Other | 745 | 7,101
Income before taxes | 192,713 | 68,896
Current income tax, withholding and other taxes (Note 16) | (109,200) | (27,500)
Deferred income tax (expense) recovery (Note 16) | (38,392) | 20,170
Net income for the year | 45,121 | 61,566
Attributable to: |  |
Net income (loss), attributable to Shareholders of the Company | 28,938 | 56,852
Net income (loss), attributable to Non-controlling interests | $ 16,183 | $ 4,714
Earnings per share (attributable to shareholders of the Company) |  |
Basic (in USD per share) | $ 0.03 | $ 0.06
Diluted (in USD per share) | $ 0.02 | $ 0.06
Weighted average number of common shares outstanding (in thousands) |  |
Basic (in shares) | 986,755 | 976,366
Diluted (in shares) | 1,047,368 | 991,413

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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2017-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2017-03-01&anchor=para_70_b&doctype=Standard -URIDate 2017-03-09 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration