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EQUITY - Common shares outstanding (Details) - shares | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
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Common shares held in a trust in connection with the RSU plan (note 18(c)), PSU plan (note 18(d)) and LTIP | 542,894 | 500,514 |
Total | 238,650,839 |  |
Common Shares Outstanding |  |  |
Common shares outstanding | 232,250,441 | 224,965,140 | 217,650,795
Stock options |  |  |
Employee stock options | 5,857,504 |  |

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- Definition Represents the maximum number of common shares that would be outstanding if all dilutive instruments outstanding were exercised. + References No definition available. + Details
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- Definition The number of shares held in trust by the entity. + References No definition available. + Details
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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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- Details
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