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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
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 as of June 30, 2019 and June 30, 2018.
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Weighted average common shares outstanding for basic calculation | 290,565,408 |  |  | 302,225,923 |  |  | 290,562,234 |  |  | 302,225,923 |
Add: Effect of stock options, deferred stock units and restricted stock units | 8,745 |  |  | 5,508 |  |  | 8,898 |  |  | 2,789 |
Weighted average common shares outstanding for diluted calculation | 290,574,153 |  |  | 302,231,431 |  |  | 290,571,132 |  |  | 302,228,712 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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