XML 67 R40.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair value measurements (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Recurring Basis |
Fair value measurements |
Schedule of Assets and Liabilities Measured at Fair Value |
|  | Quoted Prices in |  | Significant Other |  | Significant |  |  |  |
|  | Active Markets for |  | Observable |  | Unobservable |  |  |  |
|  | Identical Assets |  | Inputs |  | Inputs |  |  | Aggregate |
As at June 30, 2020 |  | (Level 1) |  | (Level 2) |  | (Level 3) |  |  | Fair Value |
Receivables from provisional concentrate sales |  | $ | — |  | $ | 16.0 |  | $ | — |  |  | $ | 16.0 |
Equity investments |  |  | 137.3 |  |  | — |  |  | 3.8 |  |  |  | 141.1 |
Warrants |  |  | — |  |  | 2.9 |  |  | — |  |  |  | 2.9 |
|  | $ | 137.3 |  | $ | 18.9 |  | $ | 3.8 |  |  | $ | 160.0 |
|  | Quoted Prices in |  | Significant Other |  | Significant |  |  |  |
|  | Active Markets for |  | Observable |  | Unobservable |  |  |  |
|  | Identical Assets |  | Inputs |  | Inputs |  |  | Aggregate |
As at December 31, 2019 |  | (Level 1) |  | (Level 2) |  | (Level 3) |  |  | Fair Value |
Receivables from provisional concentrate sales |  | $ | — |  | $ | 16.4 |  | $ | — |  |  | $ | 16.4 |
Equity investments |  |  | 141.7 |  |  | — |  |  | 3.9 |  |  |  | 145.6 |
Warrants |  |  | — |  |  | 3.0 |  |  | — |  |  |  | 3.0 |
|  | $ | 141.7 |  | $ | 19.4 |  | $ | 3.9 |  |  | $ | 165.0 |

X
- 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
Name: | ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the fair value of financial instruments. [Refer: Financial instruments, class [member]; At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_10_e&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_RecurringFairValueMeasurementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |