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Earnings per share (EPS) | 6 Months Ended
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Jun. 30, 2022
Earnings per share ("EPS") |
Earnings per share ("EPS") | ​ ​ Note 17 - Earnings per share ("EPS") ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended June 30, |
​ | ​ | 2022 | ​ | 2021 |
​ |  | ​ | ​ |  | Shares |  | ​ | Per Share |  | ​ | ​ |  | Shares |  | ​ | Per Share |
​ | ​ | ​ | Net income | ​ | (in millions) | ​ | ​ | Amount |  | ​ | Net income | ​ | (in millions) | ​ | ​ | Amount |
Basic earnings per share | ​ | ​ | $ | 196.5 |  | 191.5 | ​ | ​ | $ | 1.03 | ​ | ​ | $ | 175.3 |  | 191.0 | ​ | ​ | $ | 0.92 | ​
Effect of dilutive securities | ​ | ​ |  | — |  | 0.4 | ​ | ​ |  | (0.01) | ​ | ​ |  | — |  | 0.4 | ​ | ​ |  | — | ​
Diluted earnings per share | ​ | ​ | $ | 196.5 |  | 191.9 | ​ | ​ | $ | 1.02 | ​ | ​ | $ | 175.3 |  | 191.4 | ​ | ​ | $ | 0.92 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the six months ended June 30, |
​ | ​ | 2022 | ​ | 2021 |
​ |  | ​ | ​ |  | Shares |  | ​ | Per Share |  | ​ | ​ |  | Shares |  | ​ | Per Share |
​ | ​ | ​ | Net income | ​ | (in millions) | ​ | ​ | Amount |  | ​ | Net income | ​ | (in millions) | ​ | ​ | Amount |
Basic earnings per share | ​ | ​ | $ | 378.5 |  | 191.4 | ​ | ​ | $ | 1.98 | ​ | ​ | $ | 346.8 |  | 191.0 | ​ | ​ | $ | 1.82 | ​
Effect of dilutive securities | ​ | ​ |  | — |  | 0.4 | ​ | ​ |  | (0.01) | ​ | ​ |  | — |  | 0.3 | ​ | ​ |  | (0.01) | ​
Diluted earnings per share | ​ | ​ | $ | 378.5 |  | 191.8 | ​ | ​ | $ | 1.97 | ​ | ​ | $ | 346.8 |  | 191.3 | ​ | ​ | $ | 1.81 | ​
​ For the three and six months ended June 30, 2022, there were 109,948 stock options (Q2 2021 – 61,594 stock options) excluded from the computation of diluted EPS due to being anti-dilutive. RSUs totaling 66,794 (Q2 2021 - 66,996 RSUs) were excluded from the computation of diluted EPS due to the performance criteria for the vesting of the RSUs not being measurable as at June 30, 2022.

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