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Unaudited Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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May 31, 2021 | May 31, 2020
Statement Of Stockholders Equity [Abstract] |  |
Deferred tax adjusted to pension | $ 95 | $ 144
Dividends paid per share | $ 0.225 | $ 0.225

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