Leases - Schedule Supplemental Disclosures (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Jan. 01, 2023
Lessee, Lease, Description [Line Items]
Cash paid related to operating lease liabilities	$ 428.6	$ 404.1
Operating lease liabilities arising from obtaining right-of-use assets	$ 470.9	$ 367.3
Weighted-average remaining operating lease term	8 years 7 months 6 days	8 years 6 months
Weighted-average operating lease discount rate	3.10%	2.70%