Restructuring and Other Costs, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 11,062	$ 705
Severance Charge
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	10,196	115
Stock-based Compensation Expense Related to Termination of Former Senior Management Employees
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	3,000
Transformation Initiatives
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	900
Facilities Closure
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 0	145
Other One-Time Charges
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net		$ 400