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Short-term Investment And Investments Under Fair Value - Additional Information (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Feb. 29, 2024 CNY (¥) | Feb. 29, 2024 USD ($) | Feb. 28, 2023 CNY (¥) | Feb. 28, 2022 CNY (¥)
Investments [Abstract] |  |  |  |
Unrealized holding gain (loss) in investments | ¥ 3,910 | $ 543 | ¥ (3,794) | ¥ (2,855)
Realized gain (loss) in investments | ¥ 3,207 | $ 446 | ¥ 1,867 | ¥ 1,749

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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 + Details
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