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Segmented Information (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of entity's operating segments [Abstract] |
Disclosure of operating segments [text block] |
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 |
Other loss |  |  |  |  |  | (23.8) |
Earnings before income taxes |  |  |  |  |  | $293.7 |
Year Ended December 31, 2022
| Young-Davidson | Mulatos 1 | Island Gold |  | Corporate/other 2 | Total
Operating revenues | $347.8 |  | $238.1 |  | $235.3 |  |  | — |  | $821.2 |
Cost of sales |  |  |  |  |  |
Mining and processing | 163.4 |  | 150.4 |  | 80.6 |  |  | — |  | 394.4 |
Inventory net realizable value adjustment | — |  | 33.9 |  | — |  |  | — |  | 33.9 |
Royalties | 5.3 |  | 1.2 |  | 2.6 |  |  | — |  | 9.1 |
Amortization | 81.8 |  | 52.5 |  | 37.2 |  |  | — |  | 171.5 |
| 250.5 |  | 238.0 |  | 120.4 |  |  | — |  | 608.9 |
Expenses |  |  |  |  |  |
Exploration | 4.3 |  | 7.5 |  | 4.7 |  |  | 1.9 |  | 18.4 |
Corporate and administrative | — |  | — |  | — |  |  | 25.9 |  | 25.9 |
Share-based compensation | — |  | — |  | — |  |  | 18.3 |  | 18.3 |
Impairment | — |  | — |  | — |  |  | 38.2 |  | 38.2 |
Earnings (loss) from operations | $93.0 |  | ($7.4) |  | $110.2 |  |  | ($84.3) |  | $111.5 |
Finance expense |  |  |  |  |  | (5.7) |
Foreign exchange gain |  |  |  |  |  | 1.7 |
Other loss |  |  |  |  |  | (5.1) |
Earnings before income taxes |  |  |  |  |  | $102.4 |
1. Mulatos includes the La Yaqui Grande operation. 2. Corporate and other consists of corporate balances and exploration, development projects and mines in reclamation. (b) Segment assets and liabilities
| Total Assets | Total liabilities
| December 31, 2023 | December 31, 2022 | December 31, 2023 | December 31, 2022
Young-Davidson | $1,693.2 |  | $1,644.9 |  | $381.8 |  | $353.2 |
Island Gold | 1,453.6 |  | 1,222.5 |  | 476.4 |  | 415.5 |
Mulatos 1 | 631.5 |  | 606.0 |  | 172.7 |  | 143.1 |
Corporate/other 2 | 222.9 |  | 200.8 |  | 46.8 |  | 41.3 |
Total assets and liabilities | $4,001.2 | $3,674.2 | $1,077.7 | $953.1
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 disclosure of operating segments. [Refer: Operating segments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 23 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23&doctype=Standard -URIDate 2023-03-23 + Details
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