Hedges Included in Consolidated Statements of Income (Detail) (Foreign exchange contracts not designated as hedging, Other income (expense), net, Foreign Currency Exchange Contract, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Foreign exchange contracts not designated as hedging | Other income (expense), net | Foreign Currency Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives Recognized in Income	$ (707)	$ (2,664)	$ 1,443