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Significant Accounting Policies (Schedule of Estimated Useful LIves of Intangible Assets) (Details) | 12 Months Ended
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Dec. 31, 2019
Trademarks [Member] | Maximum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 20 years
Trademarks [Member] | Minimum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 15 years
Technology / patents [Member] | Maximum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 20 years
Technology / patents [Member] | Minimum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 7 years
Customer relationships [Member] | Maximum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 25 years
Customer relationships [Member] | Minimum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 15 years
Exploration and evaluation assets [Member] | Maximum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 10 years
Exploration and evaluation assets [Member] | Minimum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 8 years
Computer application [Member] | Maximum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 10 years
Computer application [Member] | Minimum [Member] |
Intangible assets [Line Items] |
Estimated Useful Life Amortization in Years | 3 years

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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