Leases - Schedule of Cash Flow, Supplemental Disclosures (Details) $ in Millions	9 Months Ended
	Jun. 28, 2020 USD ($)
Leases [Abstract]
Cash paid related to operating lease liabilities	$ 1,089.4
Operating lease liabilities arising from obtaining ROU assets	2.50%
Weighted-average remaining operating lease term	8 years 10 months 24 days
Weighted-average operating lease discount rate	$ 770.4
Lessee, Lease, Description [Line Items]
Cash paid related to operating lease liabilities	$ 1,089.4