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Segmented Information | 12 Months Ended
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Dec. 31, 2024
Disclosure of entity's operating segments [Abstract] |
Segmented Information |
23 | SEGMENTED INFORMATION
(a) Segment revenues and results Operating results of operating segments are reviewed by the Company’s chief operating decision maker, being the Company’s Chief Executive Officer, to make decisions about resources to be allocated to the segments and to assess their performance. The Company considers its reportable operating segments to be its operating mines and significant development projects. As a result of the Argonaut transaction, the Company has recognized a new operating segment, the Magino mine. The Company operates in two principal geographical areas - Canada, and Mexico. The Young-Davidson, Island Gold and Magino mines operate in Canada, and the Mulatos mine operates in Sonora, Mexico. Significant information relating to the Company's reporting operating segments is as follows:
Year Ended December 31, 2024
| Young-Davidson | Island Gold | Magino 3 | Mulatos 1 | Corporate /other 2 | Total
Operating revenues | $415.3 |  | $363.1 |  | $81.2 |  | $487.3 |  | — |  | $1,346.9 |
Cost of sales |  |  |  |  |  |
Mining and processing | 178.4 |  | 87.7 |  | 55.8 |  | 197.0 |  | — |  | 518.9 |
Royalties | 6.2 |  | 3.2 |  | 2.0 |  | 2.4 |  | — |  | 13.8 |
Amortization | 77.3 |  | 41.3 |  | 16.1 |  | 83.7 |  | — |  | 218.4 |
| 261.9 |  | 132.2 |  | 73.9 |  | 283.1 |  | — |  | 751.1 |
Expenses |  |  |  |  |  |
Exploration | 3.0 |  | 5.0 |  | 0.7 |  | 13.1 |  | 4.9 |  | 26.7 |
Corporate and administrative | — |  | — |  | — |  | — |  | 32.6 |  | 32.6 |
Share-based compensation | — |  | — |  | — |  | — |  | 31.7 |  | 31.7 |
Reversal of impairment | (57.1) |  | — |  | — |  | — |  | — |  | (57.1) |
Earnings (loss) from operations | $207.5 |  | $225.9 |  | $6.6 |  | $191.1 |  | ($69.2) |  | $561.9 |
Finance expense |  |  |  |  |  | (3.8) |
Foreign exchange gain |  |  |  |  |  | 8.0 |
Unrealized loss on commodity derivatives |  |  |  |  |  | (24.2) |
Other loss |  |  |  |  |  | (39.7) |
Earnings before income taxes |  |  |  |  |  | $502.2 |
Year Ended December 31, 2023
| Young-Davidson | Mulatos 1 | Island Gold | Corporate/other 2 | Total
Operating revenues | $355.3 |  | $420.2 |  | $247.8 |  | — |  | $1,023.3 |
Cost of sales |  |  |  |  |
Mining and processing | 166.2 |  | 188.4 |  | 82.7 |  | — |  | 437.3 |
Royalties | 5.3 |  | 2.2 |  | 2.7 |  | — |  | 10.2 |
Amortization | 76.7 |  | 75.3 |  | 38.2 |  | — |  | 190.2 |
| 248.2 |  | 265.9 |  | 123.6 |  | — |  | 637.7 |
Expenses |  |  |  |  |
Exploration | 2.9 |  | 9.9 |  | 3.7 |  | 1.7 |  | 18.2 |
Corporate and administrative | — |  | — |  | — |  | 27.6 |  | 27.6 |
Share-based compensation | — |  | — |  | — |  | 21.7 |  | 21.7 |
Earnings (loss) from operations | $104.2 |  | $144.4 |  | $120.5 |  | ($51.0) |  | $318.1 |
Finance expense |  |  |  |  | (2.5) |
Foreign exchange gain |  |  |  |  | 1.9 |
Unrealized loss on commodity derivatives |  |  |  |  | (0.9) |
Other loss |  |  |  |  | (22.9) |
Earnings before income taxes |  |  |  |  | $293.7 |
1. Mulatos includes the La Yaqui Grande operation. 2. Corporate and other consists of corporate balances and exploration, development projects and mines in reclamation. 3. The results for Magino are for Alamos’ ownership period from July 12, 2024 to December 31, 2024. (b) Segment assets and liabilities
| Total Assets | Total liabilities
| December 31, 2024 | December 31, 2023 | December 31, 2024 | December 31, 2023
Young-Davidson | $1,758.6 |  | $1,693.2 |  | $459.8 |  | $381.8 |
Island Gold | 1,683.1 |  | 1,453.6 |  | 534.5 |  | 476.4 |
Magino | 1,073.5 |  | — |  | 37.9 |  | — |
Mulatos 1 | 540.9 |  | 631.5 |  | 160.4 |  | 172.7 |
Corporate/other 2 | 280.0 |  | 222.9 |  | 559.3 |  | 46.8 |
Total assets and liabilities | $5,336.1 | $4,001.2 | $1,751.9 | $1,077.7
1. Mulatos includes the La Yaqui Grande operation. 2. Corporate and other consists of corporate balances, exploration and development projects and mines in reclamation

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- Definition The entire disclosure for operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2024-01-01 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI -URIDate 2024-03-27 + Details
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