Short-term Investment And Investments Under Fair Value - Schedule of Investments Under Fair Value (Details) ¥ in Thousands, $ in Thousands	Feb. 28, 2023 CNY (¥)	Feb. 28, 2023 USD ($)	Feb. 28, 2022 CNY (¥)
Investments, Fair Value Disclosure [Abstract]
Short-term investments under fair value	¥ 156,639	$ 22,595
Total	156,639	22,595
Long-term investments under fair value-current	135,201	19,502	¥ 156,459
Long-term investment under fair value - non-current	13,583	1,959
Total	¥ 148,784	$ 21,461	¥ 156,459

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Name:	us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant