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Note 5 - Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (In thousands, except share and per share data) |
Net income |  | $ | 72,244 |  |  | $ | 73,664 |  |  | $ | 138,923 |  |  | $ | 137,480 |
Weighted-average shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 80,106,329 |  |  |  | 81,236,315 |  |  |  | 80,279,859 |  |  |  | 81,180,160 |
Dilutive effect of weighted-average outstanding common share equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants |  |  | — |  |  |  | 278,080 |  |  |  | — |  |  |  | 286,718 |
RSUs |  |  | 196,350 |  |  |  | 260,591 |  |  |  | 221,941 |  |  |  | 261,099 |
Diluted weighted-average number of common shares outstanding |  |  | 80,302,679 |  |  |  | 81,774,986 |  |  |  | 80,501,800 |  |  |  | 81,727,977 |
Average stock options and restricted stock units with anti-dilutive effect |  |  | 66,339 |  |  |  | 6,521 |  |  |  | 55,502 |  |  |  | 22,624 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.90 |  |  | $ | 0.91 |  |  | $ | 1.73 |  |  | $ | 1.69 |
Diluted |  | $ | 0.90 |  |  | $ | 0.90 |  |  | $ | 1.73 |  |  | $ | 1.68 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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