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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Calculation of our Basic and Diluted Earnings per share Calculation | The following table shows the information used in the calculation of our basic and diluted earnings per share calculation for the six months ended June 30, 2021 and 2020:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average common shares outstanding for basic calculation | 267,560,712 |  |  | 267,249,580 |  |  | 267,440,501 |  |  | 268,233,233 |
Add: Effect of stock options, deferred share units and restricted stock units | 247,232 |  |  | 10,815 |  |  | 324,877 |  |  | 10,764 |
Weighted average common shares outstanding for diluted calculation | 267,807,944 |  |  | 267,260,395 |  |  | 267,765,378 |  |  | 268,243,997 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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