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(Loss) earnings per share - Summary of Weighted Average Shares and Adjusted Weighted Average Shares (Details) - shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]    
Weighted average number of common shares used in the calculation of basic earnings per share (in shares) 183,445,861 180,296,588
Dilutive impact of share options (in shares) 0 1,008,339
Dilutive impact of restricted share units and restricted share units with performance criteria (in shares) 0 246,560
Dilutive impact of performance share units (in shares) 0 213,420
Weighted average number of common shares used in the calculation of diluted earnings per share (in shares) 183,445,861 181,764,907