Derivative Financial Instruments - Summary of (Loss) Income Related to Foreign Forward Currency Contracts (Details) - Foreign Exchange Forward Contracts - Not Designated - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments Gain Loss [Line Items]
(Loss) income recognized in earnings	$ (171)	$ (313)	$ (500)	$ (1,766)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)