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Earnings per Share (EPS) (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Net Income and Weighted Average Common Shares Outstanding used in Computations of Basic and Diluted Earnings per Common Share | The following table reconciles the net income and the weighted average common shares outstanding used in the computations of basic and diluted earnings per common share:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands, except per share amounts) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Net income |  | $ | 177,959 |  |  | $ | 178,051 |  |  | $ | 521,019 |  |  | $ | 683,987 |
Basic weighted average shares outstanding |  | 105,979 |  |  | 106,870 |  |  | 106,387 |  |  | 107,314 |
Dilutive effect of nonvested shares |  | 1,046 |  |  | 467 |  |  | 845 |  |  | 418 |
Diluted weighted average shares outstanding |  | 107,025 |  |  | 107,337 |  |  | 107,232 |  |  | 107,732 |
Basic earnings per share |  | $ | 1.68 |  |  | $ | 1.67 |  |  | $ | 4.90 |  |  | $ | 6.37 |
Diluted earnings per share |  | $ | 1.66 |  |  | $ | 1.66 |  |  | $ | 4.86 |  |  | $ | 6.35 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | The following table summarizes the performance-based shares issuable if the reporting date was the end of the contingency period.
|  | 2023 Performance-Based Grants |  | 2022 Performance-Based Grants |  | 2021 Performance-Based Grants |  | 2020 Performance-Based Grants
Reporting Date |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target |  | As a Percent of Shares Issued |  | Percent Issuable Relative to Target and Shares Issued
September 30, 2023 |  | 200% |  | 100% |  | 200% |  | 100% |  | 157% |  | 78.5% |  |
September 30, 2022 |  |  |  |  |  | 146% |  | 73% |  | 100% |  | 50% |  | 100%

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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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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