Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Forward Contracts (Details) - Forward Contracts - Designated as Hedging Instrument - Net Investment Hedging - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Derivative [Line Items]
Notional amount	$ 244,294	$ 110,446
Euro / U.S. Dollar
Derivative [Line Items]
Notional amount	232,807	110,446
Japanese Yen / U.S. Dollar
Derivative [Line Items]
Notional amount	$ 11,487	$ 0