Fair Value Adjustments Relating to Swaps (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 28, 2014	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015	Oct. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Interest Rate Derivative Liabilities, at Fair Value	$ 400.0
Notional Amount of Interest Rate Derivatives						$ 950.0
Payments for Derivative Instrument, Financing Activities	$ 33.4	$ 0.0	$ 0.0	$ 0.0	$ 30.3
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge		38.9		38.9
Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Interest Rate Derivatives		950.0		950.0
Interest Expense, Debt		(11.7)	(14.3)	(35.4)	(41.7)
Fair Value Hedging [Member] | Interest Expense [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss) on Swaps		24.3	5.7	22.9	90.5
Interest Expense, Debt		(23.9)	(5.8)	(22.4)	(90.6)
Foreign Exchange Contract [Member] | Net Investment Hedging [Member] | Other Income And Expense [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		40.8	39.4	38.3	3.5
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		$ 0.0	$ 0.0	$ 0.0	$ 0.0
Notes 5 Point 20 Percent Due 2040 [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Stated interest rate		5.20%		5.20%
Notes 5 Point 20 Percent Due 2040 [Member] | Interest Rate Risk [Member] | Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional Amount of Interest Rate Derivatives							$ 400.0
Stated interest rate							5.20%