Gains (Losses) 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	12 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 30, 2011
Selling, General and Administrative Expenses
Derivative [Line Items]
Amount of Gain or (Loss) Recognized in Net Earnings on Derivative not designated as hedging instrument	$ 9.6	$ 5.0	$ 2.3