Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Lessee, Lease, Description [Line Items]
Operating lease payments	$ 24,300	$ 18,900	$ 44,600	$ 37,400
Payments of finance leases	100	0	276	0
Interest on financing lease liabilities	$ 100	$ 0	100	0
Operating lease liability non cash			35,000	34,500
Finance lease liability non cash			$ 200	$ 1,200
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