Summary of Significant Accounting Policies Effects of Early Adoption of New Accounting Pronouncement (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Oct. 02, 2022	Aug. 26, 2018
Amortization of Intangible Assets	$ 20.4	$ 21.5	$ 192.7
Deferred Revenue, Revenue Recognized	176.5	176.5	$ 176.5
Deferred Revenue				$ 7,000.0
Deferred Revenue, Current	1,781.2	1,700.2
Retained Earnings (Accumulated Deficit)	(7,343.8)	(7,255.8)
Deferred Revenue, Noncurrent	5,963.6	6,101.8
Deferred Tax and Other Liabilities, Noncurrent	656.2	513.8
Operating Lease, Right-of-Use Asset	9,286.2	8,412.6
Operating Lease, Liability, Noncurrent	$ 8,771.6	$ 7,924.8