Derivative Instruments And Hedging Activities (Gains (Losses) Related To The Foreign Currency Forward Exchange Contracts That Are Not Designated As Hedging Instruments) (Details) (Selling, General And Administrative Expenses [Member], USD $) In Millions	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Selling, General And Administrative Expenses [Member]
Derivative [Line Items]
Amount of gain or (loss) recognized in net earnings on derivative not designated as hedging instrument	$ 2.3	$ 10.1	$ (2.0)