Leases - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2022
Minimum
Lessee Lease Description [Line Items]
Operating lease expiration year	2022
Operating lease, term of contract	1 year
Maximum
Lessee Lease Description [Line Items]
Operating lease expiration year	2033
Operating lease, term of contract	15 years
Operating lease, option to extend, term	10 years