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Other (Loss) Gain (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure of other gains and losses [Line Items] |  |
Unrealized gain on non-hedging derivatives | $ (0.9) | $ (0.3)
Revision to reclamation for closed sites | (3.3) | 0.0
Reduction of obligation to renounce flow-through exploration expenditures | 0.7 | 2.7
Holding and Arbitration Costs | (2.9) | (5.0)
Loss on disposal of assets | 1.9 | 0.7
Other | (1.5) | (2.3)
Other loss | (23.8) | (5.1)
Silver Stream |  |
Disclosure of other gains and losses [Line Items] |  |
Gain (loss) on fair value adjustment | 0.0 | 2.6
Milestone Payments |  |
Disclosure of other gains and losses [Line Items] |  |
Unrealized gain on non-hedging derivatives | (13.4) | (1.1)
Holding Costs | $ (0.6) | $ (1.0)

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- Definition Gain (loss) on fair value adjustment + References No definition available. + Details
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- Definition The amount of expense relating to restructuring. Restructuring is a programme that is planned and controlled by management and materially changes either the scope of a business undertaken by an entity or the manner in which that business is conducted. Such programmes include: (a) the sale or termination of a line of business; (b) closure of business locations in a country or region or the relocation of activities from one country or region to another; (c) changes in management structure; and (d) fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 98 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The losses on disposals of non-current assets. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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