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Earnings (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
Our basic and diluted earnings per Common Share are calculated as follows:
Year Ended
in thousands of U.S. dollars and share amounts (except per share amounts)December 31, 2021December 31, 2020December 31, 2019
Earnings (loss):
Net income (loss)$117,121 $(37,491)$(20,425)
Less: Net income attributable to noncontrolling interests239 1,126 425 
Less: Allocation to participating securities1,524 — — 
Net income (loss) attributable to Sotera Health Company common stockholders$115,358 $(38,617)$(20,850)
Weighted Average Common Shares:
Weighted-average common shares outstanding - basic279,228 237,696 232,400 
Dilutive effect of potential common shares154 — — 
Weighted-average common shares outstanding - diluted279,382 237,696 232,400 
Earnings (loss) per Common Share:
Net income (loss) per common share attributable to Sotera Health Company common shareholders - basic$0.41 $(0.16)$(0.09)
Net income (loss) per common share attributable to Sotera Health Company common shareholders - diluted0.41 (0.16)(0.09)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Diluted earnings per shares does not consider the following potential common shares as the effect would be anti-dilutive:
Year Ended
in thousands of share amountsDecember 31, 2021December 31, 2020December 31, 2019
Stock options 2,4032,201N/A
RSUs4771N/A
Total anti-dilutive securities2,4072,972N/A
N/A - For the year ended December 31, 2019, there were no potentially dilutive common shares outstanding.