Derivative Financial Instruments (Effect Of Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Operations) (Details) (Foreign Currency Forward And Option Contracts [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2012		Apr. 01, 2011
Foreign Currency Forward And Option Contracts [Member]
Derivatives, Fair Value [Line Items]
Gain Recognized in Other Expense, net	$ 1.4	[1]	$ 4.4	[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.