Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2022	Jun. 27, 2021	Apr. 02, 2023	Jul. 03, 2022	Jun. 27, 2021	Oct. 03, 2021	Sep. 28, 2020
Payroll Tax Incentives		$ 56.4			$ 173.7
Government subsidies receivables				$ 81.2		$ 172.4
Deferred Payroll Tax Payments, Current				116.4		116.4
Deferred Payroll Tax Payments, Noncurrent						116.4
Restructuring and Related Cost, Incurred Cost		19.8		115.0
Retained Earnings (Accumulated Deficit)				(8,719.7)		(6,315.7)
Accrued payroll and benefits				706.8		$ 772.3
Accounting Standards Update 2016-13 [Member]
Retained Earnings (Accumulated Deficit)							$ 2.2
Minimum [Member]
Restructuring and Related Cost, Expected Cost				15.0
Timing of restructuring plan	three
Maximum [Member]
Restructuring and Related Cost, Expected Cost				20.0
Timing of restructuring plan			nine
Facility Closing [Member]
Restructuring and Related Cost, Incurred Cost		7.8		59.0
Accelerated Lease ROU Asset Amortization and Other Lease Costs [Member]
Restructuring and Related Cost, Incurred Cost		$ 12.2		$ 56.2