Derivatives (Schedule Of Fair Value Of Outstanding Derivative Instruments) (Details) - USD ($) $ in Millions	Dec. 30, 2018	Sep. 30, 2018
Derivatives, Fair Value [Line Items]
Derivative assets	$ 13.3	$ 8.9
Derivative liabilities	0.6	0.8
Commodity Swaps [Member] | Accounts Payable [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	0.5	0.4
Interest Rate Swaps [Member] | Other Receivables [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets		1.8
Interest Rate Swaps [Member] | Other Receivables [Member] | Not Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	3.7
Interest Rate Swaps [Member] | Deferred Charges And Other [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets		1.0
Interest Rate Swaps [Member] | Accrued Interest [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	(0.4)	(0.3)
Foreign Exchange Contracts [Member] | Other Receivables [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	8.8	5.5
Foreign Exchange Contracts [Member] | Other Receivables [Member] | Not Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	0.3	0.4
Foreign Exchange Contracts [Member] | Deferred Charges And Other [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	0.5	0.2
Foreign Exchange Contracts [Member] | Accounts Payable [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	0.1	0.3
Foreign Exchange Contracts [Member] | Accounts Payable [Member] | Not Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	0.3	0.2
Foreign Exchange Contracts [Member] | Other Long-term Liabilities [Member] | Designated as Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0.1	$ 0.2