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Net (loss) earnings per share (Narrative) (Details) share in Millions | 12 Months Ended
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Dec. 31, 2022 share
Share options [Member] |
Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [line items] |
Number of instruments that are antidilutive in period presented | 0.9
Common shares underlying convertible debentures [Member] |
Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [line items] |
Number of instruments that are antidilutive in period presented | 13.1

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- Definition Number of (units of) instruments that are antidilutive in the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2023-01-01 -Paragraph 70 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_c&doctype=Standard -URIDate 2023-03-23 + Details
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