Derivative Financial Instruments (Schedule of Fair Value Hedging Instruments, Statements of Financial Position, Location) (Details) - Long-term Debt [Member] - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Sep. 27, 2020	Sep. 29, 2019
Derivative [Line Items]
Hedged Liability, Fair Value Hedge	$ 785.6	$ 761.8
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ 35.6	$ 11.8