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Financial risk management - Credit risk - Aging of trade and other receivables (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | $ 16.3 | $ 14.1
Trade and other receivables |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables, expected credit losses | 0.4 | 0.4
Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 4.0 | 8.0
New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 10.8 | 3.7
Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.5 | 1.3
Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 1.0 | $ 1.1
0-30 days |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 16.3 |
0-30 days | Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 4.0 |
0-30 days | New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 10.8 |
0-30 days | Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.5 |
0-30 days | Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 1.0 |
31-60 days |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
31-60 days | Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
31-60 days | New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
31-60 days | Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
31-60 days | Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
61-90 days |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
61-90 days | Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
61-90 days | New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
61-90 days | Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
61-90 days | Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
91-120 days |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
91-120 days | Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
91-120 days | New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
91-120 days | Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
91-120 days | Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
Over 120 days |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
Over 120 days | Rainy River |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
Over 120 days | New Afton |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
Over 120 days | Cerro San Pedro |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | 0.0 |
Over 120 days | Corporate |  |
AGING TRADE AND OTHER RECEIVABLES |  |
Trade and other receivables | $ 0.0 |

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2023-03-23 + Details
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- Definition The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_h&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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