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Supplemental Cash Flow Information (Other Non-cash Items) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Cash Flow Statement [Abstract] |  |
Unrealized (gain) loss on non-hedging derivatives | $ (0.7) | $ 0.6
Payment for reclamation activities | (3.5) | (2.0)
Adjustments for interest income | (1.5) | (3.4)
Adjustments for increase (decrease) in insurance, reinsurance and investment contract liabilities | (1.7) | (1.8)
Distribution of Share Based Compensation | (3.5) | (3.8)
Reduction of obligation to renounce flow-through exploration expenditures | (1.0) | (0.6)
Loss on disposal of assets | 1.0 | 0.7
Non-cash proceeds on sale of non-core royalties | 0.0 | (8.0)
Other | 2.8 | (0.7)
Other adjustments for non-cash items | $ (5.1) | $ (12.2)

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- Definition Adjustments for gains (losses) on changes in the fair value of derivatives to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: At fair value [member]; Derivatives [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_20&doctype=Standard -URIDate 2020-01-01 + Details
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