Derivative Financial Instruments Interest Rate Swaps (Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position) (Details) - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	Mar. 31, 2024	Oct. 01, 2023
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 318.6	$ 1,060.0
Long-term Debt [Member]
Derivatives, Fair Value [Line Items]
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (31.4)	$ (40.0)