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Financial Instruments - Derivative Instruments Not Designated as Hedges Included in Consolidated Statements of Earnings (Detail) - Not Designated as Hedging Instrument [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Foreign Currency Forwards [Member] | Other Income (Expense) - Net [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) Recognized in Income $ (7.4) $ (15.5) $ (19.3)
Equity Forwards [Member] | Operating Expenses [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (Loss) Recognized in Income $ 0.8 $ 4.7 $ 3.6