Effect of Derivative Instruments not Designated as Hedging Instruments on Consolidated Statements of Operations (Detail) (Foreign Currency Forward And Option Contracts, USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 28, 2013		Jun. 29, 2012		Jun. 28, 2013		Jun. 29, 2012
Foreign Currency Forward And Option Contracts
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Other Expense, net	$ 3.2	[1]	$ (2.0)	[1]	$ (4.5)	[1]	$ (0.6)	[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.