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Related party disclosures (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Related party disclosures |  |
Short-term benefits | $ 4.6 | $ 3.0
Share-based payments | 5.9 | 4.9
Total | $ 10.5 | $ 7.9

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17_e&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17_a&doctype=Standard -URIDate 2019-03-27 + Details
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