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Auditor's remuneration - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Auditors Remuneration [Line Items] |  |  |
Auditor's remuneration | $ 8.0 | $ 7.7 | $ 7.8
Auditors remuneration for audit | 3.7 | 3.0 | 3.0
Auditors remuneration for other Services fees | 0.0 | 0.1 | 0.1
SEC Regulations [Member] |  |  |
Auditors Remuneration [Line Items] |  |  |
Auditor's remuneration | 8.0 | 7.7 | 7.8
Auditors remuneration for audit | 7.3 | 6.5 | 6.4
Auditors remuneration for other audit related services | 0.7 | 1.1 | 1.3
Auditors remuneration for other Services fees | $ 0.0 | $ 0.1 | $ 0.1

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- Definition The amount of fees paid or payable to the entity's auditors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of fees paid or payable to the entity's auditors for auditing services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Auditors remuneration for other audit related services. + References No definition available. + Details
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- Definition Auditors remuneration. + References No definition available. + Details
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- Details
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