Financial Instruments - Derivative Instruments Not Designated as Hedges Included in Condensed Consolidated Statements of Earnings (Detail) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Foreign Currency Forwards [Member] | Other Income (Expense) - Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income	$ (0.7)	$ (3.0)	$ (4.9)	$ (13.9)
Equity Forwards [Member] | Operating Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income	$ (0.7)	$ (1.1)	$ (1.4)	$ 2.1