Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Lessee, Lease, Description [Line Items]
Operating lease payments	$ 20,000	$ 24,300	$ 40,000	$ 44,600
Payments of finance leases	100	100	266	276
Interest on financing lease liabilities	$ 100	$ 100	100	100
Operating lease liability non cash			34,000	35,000
Finance lease liability non cash			$ 0	$ 200
Minimum
Lessee, Lease, Description [Line Items]
Initial term of lease	3 years		3 years
Finance, term of lease	2 years		2 years
Maximum
Lessee, Lease, Description [Line Items]
Initial term of lease	10 years		10 years
Finance, term of lease	5 years		5 years