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	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
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	$ 35	$ (6,402)	$ (4,835)	$ (2,404)