Leases - Additional Information (Details) - USD ($)	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Total lease cost, net	$ 111,200,000	$ 97,300,000
ROU asset obtained in exchange for operating lease liability	11,400,000	53,600,000
ROU asset obtained in exchange for finance lease liability	$ 92,700,000	$ 0