Leases - Schedule of Lease Cost (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Mar. 31, 2024	Apr. 02, 2023	Mar. 31, 2024	Apr. 02, 2023
Lessee, Lease, Description [Line Items]
Operating lease costs	[1]	$ 424.1	$ 401.7	$ 841.5	$ 786.5
Variable lease costs		271.7	253.9	543.6	489.2
Short-term lease costs		7.2	7.0	14.9	14.0
Total lease costs		$ 703.0	$ 662.6	$ 1,400.0	$ 1,289.7

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