Derivative Financial Instruments (Effect Of Derivative Instruments Not Designated As hedging Instruments On The Consolidated Statements Of Operations) (Details) (Foreign Currency Forward And Options Contracts [Member], Other Income [Member], USD $) In Millions	3 Months Ended				6 Months Ended
	Jul. 01, 2011		Jul. 02, 2010		Jul. 01, 2011		Jul. 02, 2010
Foreign Currency Forward And Options Contracts [Member] | Other Income [Member]
Gain (loss) recognized in other (expense) income, net	$ 2.1	[1]	$ (8.1)	[1]	$ 6.5	[1]	$ (13.5)	[1]

[1] The gains or losses from changes in the fair value of the derivative contracts are generally offset by gains or losses of the underlying transactions being hedged.