Restructuring and Other Charges - Additional Information (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) Employee	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Restructuring Cost And Reserve [Line Items]
Restructuring and other charges, net	$ 1		$ (1,562)	$ (337)	$ 32,429
Restructuring charges					33,051
Sublease income	1,201		1,113	2,386	2,230
Payments for restructuring					27,080
Operating Lease, Payments	$ 9,621		9,248	$ 17,883	25,113
Lease Costs
Restructuring Cost And Reserve [Line Items]
Operating Lease, Payments			$ 600		1,300
Employee Severance and Related Benefits
Restructuring Cost And Reserve [Line Items]
Restructuring charges					33,428
Payments for restructuring					$ 25,744
Employee Severance and Related Benefits | Restructuring Plan 2022
Restructuring Cost And Reserve [Line Items]
Restructuring charges		$ 33,100
Number of employees | Employee		330