OTHER CURRENT ASSETS - Summary of other current assets (Parenthetical) (Detail) - CNY (¥) ¥ in Thousands	6 Months Ended	12 Months Ended
Mar. 31, 2022	Sep. 30, 2021
Other Assets [Abstract]
Proceeds from sale of buildings		¥ 100,300
Allocated proceeds from court	¥ 95,002
Repurchased of equity interest from noncontrolling shareholders	¥ 9,600

The cash inflow from sale of buildings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfBuildings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration