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, Fair Value Hedging, Other income (expense), net, Foreign Exchange Contract, USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Foreign exchange contracts not designated as hedging | Fair Value Hedging | Other income (expense), net | Foreign Exchange Contract
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives recognized in income $ (6,402) $ (2,253) $ (2,404) $ (877)