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Earnings per share - Narrative (Details) - shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract] |  |
Antidilutive securities excluded from computation of earnings per share (in shares) | 2,295,857 | 2,680,593
Dilutive impact of share options (in shares) | 1,008,339 | 1,369,750
Dilutive impact of restricted share units (in shares) | 246,560 | 1,732,614
Dilutive impact of performance share units and restricted share units with performance criteria (in shares) | 213,420 | 1,081,116

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- Definition Antidilutive Securities Excluded From Computation of Earnings Per Share + References No definition available. + Details
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- Definition Dilutive effect of restricted share units on number of ordinary shares + References No definition available. + Details
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- Definition Dilutive Impact of Performance Share Units + References No definition available. + Details
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- Definition The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 33 -IssueDate 2021-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2021-en-r&anchor=para_70_b&doctype=Standard -URIDate 2021-03-24 + Details
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- References No definition available. + Details
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