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Earnings (loss) per Share - Computation for Basic and Diluted Earnings (loss) per Share (Detail) - $ / shares | 3 Months Ended | 9 Months Ended
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Nov. 30, 2017 | Nov. 30, 2016 | Nov. 30, 2017 | Nov. 30, 2016
Earnings Per Share [Abstract] |  |  |  |
Basic weighted average common shares outstanding | 25,360,452 | 25,673,824 | 25,387,389 | 25,802,658
Effect of dilutive options | 33,030 | 9,789 | 21,870 | 15,488
Diluted weighted average common shares outstanding | 25,393,482 | 25,683,613 | 25,409,259 | 25,818,146
Earnings (loss) per share - basic and diluted |  |  |  |
Earnings per share on continuing operations | $ 0.33 | $ 0.22 | $ 0.97 | $ 0.74
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) | 0.33 | 0.22 | 0.97 | (0.17)
Cash dividends | $ 0.200 | $ 0.175 | $ 0.575 | $ 2.025

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Per basic and diluted share amount, after tax, of the gain (loss) on the disposal of discontinued operations, when the per share amount is the same. + References No definition available. + Details
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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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- Definition The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares. + References No definition available. + Details
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 23 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1757-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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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