Leases - Schedule of Lease Cost (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 31, 2023	Jan. 01, 2023
Lessee, Lease, Description [Line Items]
Operating lease costs	[1]	$ 417.4	$ 384.8
Variable lease costs		271.9	235.3
Short-term lease costs		7.7	7.0
Total lease costs		$ 697.0	$ 627.1

[1] Includes immaterial amounts of sublease income and rent concessions.