Revenue from Contract with Customer (Details) - USD ($)	3 Months Ended
	Jan. 02, 2022	Dec. 27, 2020	Oct. 03, 2021
Deferred Revenue Table [Line Items]
Deferred Revenue, Revenue Recognized	$ (44,200,000)	$ (44,200,000)
Stored value card liability and current portion of deferred revenue	2,070,700,000		$ 1,596,100,000
Revenue Recognition Period Stored Value Cards and Loyalty Program Breakage [Member]
Deferred Revenue Table [Line Items]
Deferred Revenue	1,448,500,000	1,280,500,000
Deferred Revenue, Additions	3,917,500,000	3,437,400,000
Deferred Revenue, Revenue Recognized	(3,410,800,000)	(2,980,200,000)
Deferred Revenue, Other	(2,700,000)	12,300,000
Deferred Revenue	1,952,500,000	1,750,000,000
Stored value card liability and current portion of deferred revenue	$ 1,800,000,000	$ 1,600,000,000