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Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended		173 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock	64,082	254,679	2,213,111
Repurchase of common stock, average cost per share	$ 17.46	$ 18.81	$ 16.25
Total remaining amount available to repurchase of shares	$ 23.9
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized aggregate amount	$ 40.0		$ 40.0

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Remaining amount available to repurchase of shares.

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Amount of stock repurchase plan authorized.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
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