Derivative and Hedging Instruments - Balance Sheet Location (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net asset (liability)	$ (2,066)	$ 0
Prepaid expenses and other current assets
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Prepaid expenses and other current assets	1,560	0
Other long-term liabilities
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Other long-term liabilities	$ (3,626)	$ 0