Gains Related to Foreign Currency Forward Exchange Contracts that are Not Designated as Hedging Instruments (Detail) (Selling, general and administrative expenses, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
Selling, general and administrative expenses
Derivative [Line Items]
Amount of Gain Recognized in Net Earnings on Derivative not designated as hedging instrument	$ 3.4	$ 6.6	$ 15.7	$ 8.7