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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Calculation of Earnings (Loss) Per Share | Table 4.1 reconciles basic and diluted EPS amounts:
Earnings per share
Table | 4.1 |  |  |  |  |  |
|  | Years Ended December 31,
(In thousands, except per share data) |  | 2023 |  | 2022 |  | 2021
Basic earnings per share: |  |  |  |  |  |
Net income |  | $ | 712,949 |  |  | $ | 865,349 |  |  | $ | 634,983 |
Weighted average common shares outstanding - basic |  | 283,605 |  |  | 305,847 |  |  | 334,330 |
Basic earnings per share |  | $ | 2.51 |  |  | $ | 2.83 |  |  | $ | 1.90 |
Diluted earnings per share: |  |  |  |  |  |
Net Income |  | $ | 712,949 |  |  | $ | 865,349 |  |  | $ | 634,983 |
Interest expense, net of tax (1): |  |  |  |  |  |
9% Debentures |  | 1,026 |  |  | 3,228 |  |  | 14,343 |
Diluted income available to common shareholders |  | $ | 713,975 |  |  | $ | 868,577 |  |  | $ | 649,326 |
Weighted-average shares - basic |  | 283,605 |  |  | 305,847 |  |  | 334,330 |
Effect of dilutive securities: |  |  |  |  |  |
Unvested restricted stock units |  | 2,427 |  |  | 1,917 |  |  | 1,782 |
9% Debentures |  | 1,123 |  |  | 3,465 |  |  | 15,196 |
Weighted average common shares outstanding - diluted |  | 287,155 |  |  | 311,229 |  |  | 351,308 |
Diluted income per share |  | $ | 2.49 |  |  | $ | 2.79 |  |  | $ | 1.85 |
(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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