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Schedule of Effect of Derivative Instruments in Statement of Operations Recognized (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 05, 2015
Jun. 29, 2014
Jul. 05, 2015
Jun. 29, 2014
Dec. 31, 2014
Fair Value, Option, Quantitative Disclosures          
Derivatives not designated as hedging instruments $ 87   $ 87   $ 149
Foreign exchange contracts derivatives not designated as hedging instruments, Gains (Losses) Recognized in Statement of Operations (1,547) $ 1,122 1,878 $ 1,869  
Other (income) expense, net          
Fair Value, Option, Quantitative Disclosures          
Foreign exchange contracts derivatives not designated as hedging instruments, Gains (Losses) Recognized in Statement of Operations (1,547) $ 1,122 1,878 $ 1,869  
Not Designated as Hedging Instrument | Foreign Currency Forward Contracts | Other Current Liabilities          
Fair Value, Option, Quantitative Disclosures          
Derivatives liability not designated as hedging instruments $ 87   $ 87   $ 149