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	12 Months Ended
	Dec. 28, 2012		Dec. 30, 2011		Dec. 31, 2010
Foreign Currency Forward And Option Contracts
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Other Expense, net	$ 1.9	[1]	$ 1.0	[1]	$ (8.7)	[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.