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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2021 and 2020:
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average common shares outstanding for basic calculation | 267,106,109 |  |  | 267,265,705 |  |  | 267,327,888 |  |  | 267,908,427 |
Add: Effect of stock options, deferred share units and restricted stock units | 72,854 |  |  | 13,850 |  |  | 113,506 |  |  | 12,463 |
Weighted average common shares outstanding for diluted calculation | 267,178,963 |  |  | 267,279,555 |  |  | 267,441,394 |  |  | 267,920,890 |

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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=124432515&loc=d3e3550-109257 + Details
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