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Note 5 - Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended March 31, |
|  | 2020 |  |  | 2019 |
|  | (In thousands, except share and per share data) |
Net income |  | $ | 46,852 |  |  | $ | 66,679 |
Weighted-average shares: |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 79,588,076 |  |  |  | 80,455,317 |
Dilutive effect of weighted-average outstanding common share equivalents RSUs |  |  | 241,949 |  |  |  | 247,817 |
Diluted weighted-average number of common shares outstanding |  |  | 79,830,025 |  |  |  | 80,703,134 |
Average stock options and restricted stock units with anti-dilutive effect |  |  | 47,399 |  |  |  | 44,545 |
Earnings per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.59 |  |  | $ | 0.83 |
Diluted |  | $ | 0.59 |  |  | $ | 0.83 |

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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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