Derivative Financial Instruments Interest Rate Swaps (Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position) (Details) - Interest rate swaps - Designated Derivative Instruments: - USD ($) $ in Millions	Jun. 28, 2026	Sep. 28, 2025
Derivatives, Fair Value [Line Items]
Carrying amount of hedged item	$ 333.0	$ 334.1
Balance Sheet Location [Axis]: us-gaap:LongTermDebtNoncurrent
Derivatives, Fair Value [Line Items]
Cumulative amount of fair value hedging adjustment included in the carrying amount	$ (17.0)	$ (15.9)

Derivative Financial Instruments Interest Rate Swaps (Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position) (Details) - Interest rate swaps - Designated Derivative Instruments: - USD ($)
$ in Millions

Jun. 28, 2026

Sep. 28, 2025

Derivatives, Fair Value [Line Items]

Carrying amount of hedged item

$ 333.0

$ 334.1

Balance Sheet Location [Axis]: us-gaap:LongTermDebtNoncurrent

Derivatives, Fair Value [Line Items]

Cumulative amount of fair value hedging adjustment included in the carrying amount

$ (17.0)

$ (15.9)