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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 29, 2020 | Feb. 28, 2019 | Feb. 28, 2018
Statement Of Stockholders Equity [Abstract] |  |  |
Deferred tax adjusted to pension | $ 2,834 | $ 92 | $ 1,030
Dividends paid per share | $ 0.900 | $ 0.875 | $ 0.875

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