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INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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INCOME TAXES [abstract] |  |
Tax losses for which deferred tax assets recognized | $ 111.2 | $ 120.8
Unused tax losses for which no deferred tax asset recognised | $ 34.3 | $ 27.9

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- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2016-01-13 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2016-03-30&anchor=para_81_e&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Tax losses for which deferred tax assets recognized. + References No definition available. + Details
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