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Earnings per share (Tables) | 6 Months Ended
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May 31, 2018
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Earnings Per Share | The following table sets forth the calculation of basic and diluted earnings per share on an interim basis (in thousands, except per share data):
| Three Months Ended |  | Six Months Ended
| May 31, 2018 |  | May 31, 2017 |  | May 31, 2018 |  | May 31, 2017
Net income | $ | 15,403 |  |  | $ | 10,341 |  |  | $ | 28,315 |  |  | $ | 9,816 |
Weighted average shares outstanding | 45,531 |  |  | 48,221 |  |  | 46,030 |  |  | 48,477 |
Dilutive impact from common stock equivalents | 556 |  |  | 269 |  |  | 751 |  |  | 285 |
Diluted weighted average shares outstanding | 46,087 |  |  | 48,490 |  |  | 46,781 |  |  | 48,762 |
Basic earnings per share | $ | 0.34 |  |  | $ | 0.21 |  |  | $ | 0.62 |  |  | $ | 0.20 |
Diluted earnings per share | $ | 0.33 |  |  | $ | 0.21 |  |  | $ | 0.61 |  |  | $ | 0.20 |

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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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