Quarterly report pursuant to Section 13 or 15(d)

Hedges Included in Consolidated Statements of Income (Detail)

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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)