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Net Income Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Net Income Per Common Share | The following table sets forth the computation of basic and diluted net income per common share:
| Three Months Ended March 31 |  |
| 2024 |  | 2023 |  |  |  |
| (thousands, except per-share data)
Net income | $ | 104,124 |  |  | $ | 96,733 |  |  |  |  |
Weighted average common shares outstanding during the period (for basic calculation) | 39,608 |  |  | 39,593 |  |  |  |  |
Dilutive effect of other potential common shares | 348 |  |  | 245 |  |  |  |  |
Weighted average common shares and potential common shares (for diluted calculation) | 39,956 |  |  | 39,838 |  |  |  |  |
Net income per common share - Basic | $ | 2.63 |  |  | $ | 2.44 |  |  |  |  |
Net income per common share - Diluted | $ | 2.61 |  |  | $ | 2.43 |  |  |  |  |

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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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