Derivative Financial Instruments - Additional Information (Detail) - Term Loans [Member] $ in Millions	12 Months Ended
	Sep. 30, 2023 USD ($)
Derivative [Line Items]
Notional amount	$ 25
Fixed interest	10.205%
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	$ 25
Expiry date	Oct. 01, 2027
Fixed interest	4.455%