Leases - Schedule of Lease Cost (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Mar. 30, 2025	Mar. 31, 2024	Mar. 30, 2025	Mar. 31, 2024
Lessee, Lease, Description [Line Items]
Operating lease costs	[1]	$ 458.4	$ 424.1	$ 917.2	$ 841.5
Variable lease costs		297.5	271.7	590.9	543.6
Short-term lease costs		5.3	7.2	10.8	14.9
Total lease costs		$ 761.2	$ 703.0	$ 1,518.9	$ 1,400.0

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