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Fair value of interest prior to acquisition date

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Fair value of total shares issued as of acquisition date

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Ounces Subject to Contract, Settled

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Ounces Subject to Contract

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Share Price1

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The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Total for all business combinations [member]]

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The amount of outstanding funds that the entity is obligated to repay.

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The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Total for all business combinations [member]]

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The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

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The amount of contingent liabilities recognised as of the acquisition date in a business combination. [Refer: Classes of contingent liabilities [domain]; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for contract liabilities assumed in a business combination. [Refer: Contract liabilities; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for current liabilities assumed in a business combination. [Refer: Current liabilities; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for deferred tax assets acquired in a business combination. [Refer: Deferred tax assets; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for financial assets acquired in a business combination. [Refer: Financial assets; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for financial liabilities assumed in a business combination. [Refer: Financial liabilities; Total for all business combinations [member]]

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The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Total for all business combinations [member]]

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The amount recognised as of the acquisition date for inventory acquired in a business combination. [Refer: Inventories; Total for all business combinations [member]]

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The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

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The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Total for all business combinations [member]]

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The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests]

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The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

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The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

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Acquisition of Argonaut Gold, Inc. (Schedule of Asset Acquisition) (Details) $ in Millions			3 Months Ended	12 Months Ended
	Jul. 12, 2024 USD ($) $ / oz $ / shares oz $ / shares	Apr. 04, 2024 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / oz	Dec. 31, 2024 USD ($) $ / shares	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) $ / shares	Jul. 15, 2024 oz	Jun. 12, 2024 USD ($)
Net assets acquired
Deferred tax asset				$ 61.2	$ 61.2	$ 0.0	$ 0.0
Share price (cad per share) \| $ / shares					$ 26.52		$ 17.74
Borrowings				250.0	$ 250.0	0.0	$ 0.0
Repayments of borrowings			$ 308.3	$ 308.3		$ 0.0
Average realized price per ounce \| $ / oz				1,950
Forward contract
Net assets acquired
Ounces subject to contract \| oz	329,417
Ounces subject to contract, settled \| oz								179,417
Forward contract \| Bottom of range
Net assets acquired
Average realized price per ounce \| $ / oz	1,821
Forward contract \| Top of range
Net assets acquired
Average realized price per ounce \| $ / oz	1,860
Revolving Credit Facility
Net assets acquired
Borrowings	$ 218.0			$ 250.0	250.0
Convertible Debentures
Net assets acquired
Borrowings	57.5
Obligation Prepayment
Net assets acquired
Borrowings	$ 24.2
Florida Canyon Gold
Net assets acquired
Percentage of voting equity interests acquired	19.90%
Argonaut Transaction
Consideration transferred
Fair value of total shares issued as of acquisition date									$ 360.1
Fair value of interest prior to acquisition date									58.9
Total consideration									$ 419.0
Net assets acquired
Cash and cash equivalents				6.7	6.7
Receivables and other assets				6.2	6.2
Inventories				38.6	38.6
Mineral properties and plant and equipment				683.2	683.2
Deferred tax asset				61.2	61.2
Accrued liabilities and other liabilities				88.7	88.7
Debt				(299.7)	(299.7)
Other long term liabilities				(4.6)	(4.6)
Derivative hedge liabilities				(226.0)	(226.0)
Lease liabilities				(47.2)	(47.2)
Decommissioning liability				(18.0)	(18.0)
Identifiable assets acquired (liabilities assumed)				419.0	419.0
Share price (cad per share) \| $ / shares	$ 0.51
Closing foreign exchange rate \| $ / shares	1.3616
Right-of-use assets	$ 47.2
Repayments of borrowings				299.7
Argonaut Transaction \| Mineral Property, Plant and Equipment
Net assets acquired
Mineral properties and plant and equipment				$ 307.3	$ 307.3
Argonaut Transaction \| Argonaut
Consideration transferred
Total consideration		$ 58.9
Net assets acquired
Proportion of ownership interests held by non-controlling interests	13.80%	13.80%
Argonaut Transaction \| Florida Canyon Gold
Net assets acquired
Percentage of voting equity interests acquired	19.99%
Argonaut Transaction \| Ordinary shares
Net assets acquired
Share price (cad per share) \| $ / shares	$ 24.02
Closing foreign exchange rate \| $ / shares	1.3616