Quarterly report pursuant to Section 13 or 15(d)

Outstanding Derivatives on Individual Contract Basis at Gross Amounts (Detail)

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Outstanding Derivatives on Individual Contract Basis at Gross Amounts (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 27, 2014
Dec. 28, 2013
Sep. 28, 2013
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Fair value of derivatives with unrealized gains $ 57,213 $ 16,088 $ 12,732
Fair value of derivatives with unrealized losses (31,138) (46,791) (37,691)
Foreign exchange contracts designated as hedging instruments
     
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Fair value of derivatives with unrealized gains 57,009 15,964 12,685
Fair value of derivatives with unrealized losses (29,419) (46,627) (37,376)
Foreign exchange contracts not designated as hedging
     
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Fair value of derivatives with unrealized gains 204 124 47
Fair value of derivatives with unrealized losses $ (1,719) $ (164) $ (315)