Quarterly report pursuant to Section 13 or 15(d)

Outstanding Derivatives on Individual Contract Basis (Detail)

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Outstanding Derivatives on Individual Contract Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 29, 2012
Dec. 31, 2011
Oct. 01, 2011
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Fair Value of Derivatives with Unrealized Gains $ 26,843 $ 46,328 $ 31,374
Fair Value of Derivatives with Unrealized Losses 28,455 23,513 24,609
Foreign exchange contracts designated as hedging instruments
      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Fair Value of Derivatives with Unrealized Gains 26,664 45,071 29,073
Fair Value of Derivatives with Unrealized Losses 22,910 22,406 24,231
Foreign exchange contracts dedesignated as hedging instruments
      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Fair Value of Derivatives with Unrealized Gains 64 1,245 2,220
Fair Value of Derivatives with Unrealized Losses 4,976 930 201
Foreign exchange contracts not dedesignated as hedging instruments
      
Derivative Instruments and Hedging Activities Disclosure [Line Items]      
Fair Value of Derivatives with Unrealized Gains 115 12 81
Fair Value of Derivatives with Unrealized Losses $ 569 $ 177 $ 177