Derivative and Hedging Instruments - Balance Sheet Location (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net asset (liability)	$ 5,223	$ (2,066)
Prepaid expenses and other current assets
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative assets	2,500	1,560
Other long-term assets
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative assets	2,723	0
Other long-term liabilities
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative liabilities	$ 0	$ (3,626)