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Income Taxes - Unrecognized (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Non-capital Loss |  |
Aggregate amount of taxable temporary differences associated with investments in subsidiaries for which deferred tax liabilities have not been recognized | $ 846.7 | $ 729.0
Aggregate amount of deductible temporary differences associated with other items for which deferred tax assets have not been recognized | 675.0 | 679.3
Royalty, stream and working interests. |  |
Non-capital Loss |  |
Aggregate amount of deductible temporary differences associated with other items for which deferred tax assets have not been recognized | $ 675.0 | 672.8
Tax losses (expiry dates - 2032-2043) |  |
Non-capital Loss |  |
Aggregate amount of deductible temporary differences associated with other items for which deferred tax assets have not been recognized |  | $ 6.5

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- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Total for all associates [member]; Total for all subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_f&doctype=Standard -URIDate 2024-03-27 + Details
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