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OPERATING LEASE - Additional Information (Detail) - CNY (¥)
¥ in Thousands
 6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Lessee, Lease, Description [Line Items]    
Lessee, Operating Lease, Existence of Option to Extend [true false] true  
Lease option to extend The Group leases apartments from landlords usually for a period of five to six years which may be extended for an additional three or two years at the discretion of the landlords.  
Fixed rent, lock in period 3 years  
Annual, non-compounding increase for the rest of the lease period 5.00%  
Operating lease expenses ¥ 172,046 ¥ 300,668
Minimum    
Lessee, Lease, Description [Line Items]    
Lessee, Operating Lease, Term of Contract 5 years  
Rent free period with landlords 1 month  
Maximum    
Lessee, Lease, Description [Line Items]    
Lessee, Operating Lease, Term of Contract 6 years  
Rent free period with landlords 2 months