Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Statement Of Stockholders Equity [Abstract]
Deferred tax adjusted to pension	$ 1,641	$ 2,834	$ 92
Dividends paid per share	$ 0.900	$ 0.900	$ 0.875

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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