Derivative Financial Instruments And Hedging (Effects Of Derivative Instruments On Statement Of Earnings And Other Comprehensive Income) (Details) (Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI [Effective Portion]	$ 8.2	$ 2.5
Gain (Loss) Reclassified from Accumulated OCI into Earnings [Effective Portion]	35.3	(6.3)
Gain (Loss) Recognized in Earnings [Ineffective Portion and Amount Excluded from Effectiveness Testing]	2.5	(0.3)
Interest Rate Contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI [Effective Portion]		(14.4)
Gain (Loss) Reclassified from Accumulated OCI into Earnings [Effective Portion]	(1.5)	(1.3)
Foreign Exchange Contracts [Member] | SG&A Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI [Effective Portion]	(1.2)	1.2
Gain (Loss) Reclassified from Accumulated OCI into Earnings [Effective Portion]	3.5	8.5
Commodity Contracts [Member] | Cost Of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI [Effective Portion]	9.4	15.7
Gain (Loss) Reclassified from Accumulated OCI into Earnings [Effective Portion]	33.3	(13.5)
Gain (Loss) Recognized in Earnings [Ineffective Portion and Amount Excluded from Effectiveness Testing]	$ 2.5	$ (0.3)