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Short-term Investment And Investments Under Fair Value - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Feb. 28, 2025 CNY (¥)	Feb. 28, 2025 USD ($)	Feb. 29, 2024 CNY (¥)	Feb. 28, 2023 CNY (¥)
Investments [Abstract]
Unrealized holding gain (loss) in investments	¥ 2,022	$ 278	¥ 3,910	¥ (3,794)
Realized gain (loss) in investments	¥ (3,062)	$ (420)	¥ 3,207	¥ 1,867

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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/1943274/2147477250/944-220-S99-1

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Amount of unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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