Derivative Financial Instruments - Summary of Fair Value of Interest Rate Related Derivative Financial Instruments and Their Classification on Our Condensed Consolidated Balance Sheets (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Cross-currency swaps
Derivative [Line Items]
Derivative Liability	$ 0	$ 6,936
Foreign-currency forward contracts
Derivative [Line Items]
Derivative Liability	$ 10,897	$ 10,202