Income Taxes (Tax Effect of Temporary Differences and Carryforwards That Comprise Significant Portions of Deferred Tax Assets and Liabilities) (Details) - USD ($)	Oct. 03, 2021	Sep. 27, 2020
Tax Credit Carryforward [Line Items]
Operating lease liability	$ 2,395,200,000	$ 2,313,000,000
Stored value card liability	1,679,400,000	1,678,600,000
Intangible assets and goodwill	317,700,000	248,600,000
Other	641,000,000.0	554,400,000
Total	5,033,300,000	4,794,600,000
Valuation allowance	(275,300,000)	(239,400,000)
Total deferred tax asset, net of valuation allowance	4,758,000,000	4,555,200,000
Operating lease, right-of-use assets	(2,296,500,000)	(2,191,800,000)
Property, plant and equipment	(451,200,000)	(463,300,000)
Other	(284,000,000.0)	(268,300,000)
Total	(3,031,700,000)	(2,923,400,000)
Deferred income tax assets	1,874,800,000	1,789,900,000
Deferred Tax Liabilities, Net, Noncurrent	(148,500,000)	(158,100,000)
Deferred Tax Assets, Net	1,726,300,000	$ 1,631,800,000
expirationindefinite [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	70,800,000
Foreign net operating loss carryforwards	118.8
expirationbeginningfiscal2024 [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	109,700,000
Tax credit carryforward	1.2
expiration beginning fiscal 2029 [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward	21,800,000
expirationbeginningfiscal2021 [Member] [Domain]
Tax Credit Carryforward [Line Items]
Foreign net operating loss carryforwards	$ 327,900,000