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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Calculation of earnings (loss) per share | Table 6.1 reconciles the numerators and denominators used to calculate basic and diluted EPS.
Earnings per share |  |  |  |
Table | 6.1 |  |  |  |  |  |  |  |
|  |  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands, except per share data) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Basic earnings per share: |  |  |  |  |  |  |  |
Net income |  | $ | 130,811 |  |  | $ | 176,934 |  |  | $ | 294,663 |  |  | $ | 496,653 |
Weighted average common shares outstanding - basic |  | 338,598 |  |  | 351,475 |  |  | 340,408 |  |  | 354,272 |
Basic earnings per share |  | $ | 0.39 |  |  | $ | 0.50 |  |  | $ | 0.87 |  |  | $ | 1.40 |
Diluted earnings per share: |  |  |  |  |  |  |
Net income |  | $ | 130,811 |  |  | $ | 176,934 |  |  | $ | 294,663 |  |  | $ | 496,653 |
Interest expense, net of tax: |  |  |  |  |  |  |  |
9% Debentures |  | 4,161 |  |  | 4,566 |  |  | 13,293 |  |  | 13,698 |
Diluted income available to common shareholders |  | $ | 134,972 |  |  | $ | 181,500 |  |  | $ | 307,956 |  |  | $ | 510,351 |
Weighted average common shares outstanding - basic |  | 338,598 |  |  | 351,475 |  |  | 340,408 |  |  | 354,272 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Unvested RSUs |  | 1,377 |  |  | 2,072 |  |  | 1,492 |  |  | 1,966 |
9% Debentures |  | 17,220 |  |  | 19,028 |  |  | 18,489 |  |  | 19,028 |
Weighted average common shares outstanding - diluted |  | 357,195 |  |  | 372,575 |  |  | 360,389 |  |  | 375,266 |
Diluted earnings per share |  | $ | 0.38 |  |  | $ | 0.49 |  |  | $ | 0.85 |  |  | $ | 1.36 |

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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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