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Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
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 June 30, |  | Six Months Ended June 30,
(In thousands, except per share data) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Basic earnings per share: |  |  |  |  |  |  |  |
Net income |  | $ | 191,054 |  |  | $ | 249,268 |  |  | $ | 345,601 |  |  | $ | 424,281 |
Weighted average common shares outstanding - basic |  | 285,906 |  |  | 308,840 |  |  | 288,434 |  |  | 312,388 |
Basic earnings per share |  | $ | 0.67 |  |  | $ | 0.81 |  |  | $ | 1.20 |  |  | $ | 1.36 |
Diluted earnings per share: |  |  |  |  |  |  |  |
Net income |  | $ | 191,054 |  |  | $ | 249,268 |  |  | $ | 345,601 |  |  | $ | 424,281 |
Interest expense, net of tax (1): |  |  |  |  |  |  |  |
9% Debentures |  | 375 |  |  | 719 |  |  | 750 |  |  | 2,231 |
Diluted income available to common shareholders |  | $ | 191,429 |  |  | $ | 249,987 |  |  | $ | 346,351 |  |  | $ | 426,512 |
Weighted average common shares outstanding - basic |  | 285,906 |  |  | 308,840 |  |  | 288,434 |  |  | 312,388 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Unvested RSUs |  | 2,016 |  |  | 1,613 |  |  | 2,047 |  |  | 1,821 |
9% Debentures |  | 1,644 |  |  | 3,092 |  |  | 1,644 |  |  | 4,803 |
Weighted average common shares outstanding - diluted |  | 289,566 |  |  | 313,545 |  |  | 292,125 |  |  | 319,012 |
Diluted earnings per share |  | $ | 0.66 |  |  | $ | 0.80 |  |  | $ | 1.19 |  |  | $ | 1.34 |
(1) Interest expense has been tax effected at a rate of 21%.

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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