Income Statement Impacts Related to Derivatives Not Designated as Hedging Instruments (Detail) (Not Designated as Hedging Instrument, Foreign Exchange Contracts, Other, net, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Not Designated as Hedging Instrument | Foreign Exchange Contracts | Other, net
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Amount of Gain (Loss) Recorded in Income on Derivative	$ 30.3	$ 45.9	$ 30.2	$ 6.3