Restructuring and Other Costs, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 1,259	$ 850	$ 9,180	$ 14,744
Stock-based compensation			19,616	20,047
Transformation Initiatives
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	800	700	800	2,600
Facilities
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	382	0	635	0
Personnel
Restructuring Cost And Reserve [Line Items]
Restructuring and other costs, net	$ 126	$ 126	$ 7,704	12,095
Stock-based compensation				$ 3,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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