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Note 6 - Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
|  | (In thousands, except share and per share data) |
Net income |  | $ | 93,220 |  |  | $ | 88,978 |  |  | $ | 189,227 |  |  | $ | 164,006 |
Weighted-average shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 72,536,301 |  |  |  | 74,958,913 |  |  |  | 72,534,779 |  |  |  | 75,144,414 |
Dilutive effect of weighted-average outstanding common share equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
RSUs |  |  | 217,445 |  |  |  | 311,227 |  |  |  | 291,522 |  |  |  | 349,102 |
Diluted weighted-average number of common shares outstanding |  |  | 72,753,746 |  |  |  | 75,270,140 |  |  |  | 72,826,301 |  |  |  | 75,493,516 |
Average restricted stock units with anti-dilutive effect |  |  | 5,527 |  |  |  | 108,211 |  |  |  | 3,165 |  |  |  | 65,629 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.29 |  |  | $ | 1.19 |  |  | $ | 2.61 |  |  | $ | 2.18 |
Diluted |  | $ | 1.28 |  |  | $ | 1.18 |  |  | $ | 2.60 |  |  | $ | 2.17 |

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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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