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Earnings (loss) per Share (Tables) | 6 Months Ended
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Aug. 31, 2017
Earnings Per Share [Abstract] |
Computation for Basic and Diluted Earnings (loss) per Share | The following table sets forth the computation for basic and diluted earnings (loss) per share for the periods indicated:
|  | Three months ended |  |  | Six months ended |
|  | August 31, |  |  | August 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Basic weighted average common shares outstanding |  |  | 25,342,747 |  |  |  | 25,893,218 |  |  |  | 25,388,292 |  |  |  | 25,847,051 |
Effect of dilutive options |  |  | 23,254 |  |  |  | 17,157 |  |  |  | 17,571 |  |  |  | 21,748 |
Diluted weighted average common shares outstanding |  |  | 25,366,001 |  |  |  | 25,910,375 |  |  |  | 25,405,863 |  |  |  | 25,868,799 |
Earnings (loss) per share - basic and diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings per share on continuing operations |  | $ | 0.34 |  |  | $ | 0.26 |  |  | $ | 0.64 |  |  | $ | 0.52 |
Earnings per share on discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 0.10 |
Loss per share on sale of discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1.01 | )
Loss on discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.91 | )
Net earnings (loss) |  | $ | 0.34 |  |  | $ | 0.26 |  |  | $ | 0.64 |  |  | $ | (0.39 | )
Cash dividends |  | $ | 0.20 |  |  | $ | 1.675 |  |  | $ | 0.375 |  |  | $ | 1.85 |

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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/2003/role/presentationRef -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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