Derivative Instruments and Hedging Activities - Gains (Losses) Related to Foreign Currency Forward Exchange Contracts that are Not Designated as Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Derivatives Not Designated as Hedging Instrument | Foreign exchange forward contracts | Selling, general and administrative expenses
Derivative [Line Items]
Amount of Gain (Loss) Recognized in Net Earnings on Derivative not designated as hedging instrument	$ (1.3)	$ (1.1)	$ 32.7	$ 0.4