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Note 5 - Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (In thousands, except share and per share data) |
Net income |  | $ | 72,835 |  |  | $ | 69,757 |  |  | $ | 211,758 |  |  | $ | 207,237 |
Weighted-average shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average number of common shares outstanding |  |  | 79,736,814 |  |  |  | 81,311,899 |  |  |  | 80,096,855 |  |  |  | 81,224,555 |
Dilutive effect of weighted-average outstanding common share equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants |  |  | — |  |  |  | 234,105 |  |  |  | — |  |  |  | 268,988 |
RSUs |  |  | 257,016 |  |  |  | 309,267 |  |  |  | 233,761 |  |  |  | 277,331 |
Diluted weighted-average number of common shares outstanding |  |  | 79,993,830 |  |  |  | 81,855,271 |  |  |  | 80,330,616 |  |  |  | 81,770,874 |
Average stock options and restricted stock units with anti-dilutive effect |  |  | 32,321 |  |  |  | 1,854 |  |  |  | 47,690 |  |  |  | 15,625 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.91 |  |  | $ | 0.86 |  |  | $ | 2.64 |  |  | $ | 2.55 |
Diluted |  | $ | 0.91 |  |  | $ | 0.85 |  |  | $ | 2.64 |  |  | $ | 2.53 |

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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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