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Note 5 - Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
|  | (In thousands, except share and per share data) |
Net income |  | $ | 54,321 |  |  | $ | 72,244 |  |  | $ | 101,173 |  |  | $ | 138,923 |
Weighted-average shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 79,581,097 |  |  |  | 80,106,329 |  |  |  | 79,584,587 |  |  |  | 80,279,859 |
Dilutive effect of weighted-average outstanding common share equivalents RSUs |  |  | 101,329 |  |  |  | 196,350 |  |  |  | 171,639 |  |  |  | 221,941 |
Diluted weighted-average number of common shares outstanding |  |  | 79,682,426 |  |  |  | 80,302,679 |  |  |  | 79,756,226 |  |  |  | 80,501,800 |
Average restricted stock units with anti-dilutive effect |  |  | 126,084 |  |  |  | 66,339 |  |  |  | 86,741 |  |  |  | 55,502 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.68 |  |  | $ | 0.90 |  |  | $ | 1.27 |  |  | $ | 1.73 |
Diluted |  | $ | 0.68 |  |  | $ | 0.90 |  |  | $ | 1.27 |  |  | $ | 1.73 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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