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Financial Instruments and Risk Management (Effect of mark to market hedge derivative instruments on Condensed Consolidated Statements of Income) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Foreign Exchange Contract | Selling, General and Administrative Expenses [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Gain (Loss) Recognized in Income $ 7,694 $ (3,901) $ (7,970) $ 5,477