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Trade and other payables (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Trade payables | $ 52.0 | $ 41.6
Interest payable | 14.9 | 16.7
Accruals | 57.4 | 57.4
Current portion of reclamation and closure cost obligations (Note 15) | 5.6 | 5.7
Current portion of gold stream obligation (Note 12) | 43.0 | 36.6
Total trade and other payables | 172.9 | 158.0
Rainy River |  |
Disclosure of detailed information about financial instruments [line items] |  |
Current portion of gold stream obligation (Note 12) | 30.3 | 32.1
New Afton |  |
Disclosure of detailed information about financial instruments [line items] |  |
Current portion of gold stream obligation (Note 12) | $ 12.7 | $ 4.5

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- Definition The amount of liabilities to pay for goods or services that have been received or supplied but have not been paid, invoiced or formally agreed with the supplier, including amounts due to employees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B13 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B13_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph m -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_m&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Section D Examples: disclosures -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D__IAS37_IE_D_TI -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 87 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_87&doctype=Standard -URIDate 2021-03-24 + Details
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