Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions		1 Months Ended	3 Months Ended		6 Months Ended
		Feb. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Jan. 03, 2015	Oct. 31, 2012	Jan. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Payments for (Proceeds from) Derivative Instrument, Investing Activities					$ 48.3	$ (25.4)
Interest Rate Derivative Liabilities, at Fair Value		$ 400.0
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge			$ 38.9		38.9
Payments for Derivative Instrument, Financing Activities		$ 33.4	$ 0.0	$ 0.0	0.0	30.3
Notional Amount of Interest Rate Derivatives							$ 950.0
Payments for Hedge, Investing Activities					$ 63.9
Notes 5 Point 75 Percent due 2053 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate			5.75%		5.75%		5.75%
Notes payable due 2040
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate			5.20%		5.20%
Notes payable due 2028
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate			7.05%		7.05%
Notes 5 Point 75 Percent Due 2052 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate			5.75%		5.75%
Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
After-tax gain (loss) for cash flow hedge effectiveness in accumulated other comprehensive loss			$ (24.8)		$ (24.8)		$ (50.9)
Cash flow gain (loss) hedge loss expected to be reclassified to earnings as hedged transactions occur or as amounts are amortized within the next 12 months					(14.3)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings			4.9	2.2	(6.0)	(4.5)
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			950.0		950.0
Derivative, Loss on Derivative			3.6	4.8	7.4	10.2
Interest Expense, Debt			11.8	14.2	23.7	27.4
Foreign Exchange Forward | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			403.2		403.2		369.5
Foreign Exchange Option | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			242.8		242.8		185.0
Interest Rate Risk | Fair Value Hedging [Member] | Notes 5 Point 75 Percent due 2053 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives							400.0
Interest Rate Risk | Fair Value Hedging [Member] | Notes 3 Point 4 Percent Due in 2021 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate								3.40%
Notional Amount of Interest Rate Derivatives								$ 400.0
Interest Rate Risk | Fair Value Hedging [Member] | Notes payable due 2040
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate								5.20%
Notional Amount of Interest Rate Derivatives								$ 400.0
Interest Rate Risk | Fair Value Hedging [Member] | Notes payable due 2028
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives									$ 150.0
Interest Rate Risk | Fair Value Hedging [Member] | Notes 7 Point 05 Percent Due in 2028 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Stated interest rate									7.05%
Foreign Exchange Contracts | Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) included in accumulated other comprehensive income (loss)			(38.7)		(38.7)		(37.2)
Foreign Exchange Contracts | Net Investment Hedging | Currency, British Pound Sterling
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			1,400.0		1,400.0		1,300.0
Interest Rate Swap [Member] | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			400.0		400.0
Not Designated as Hedging Instrument | Forward Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount of Interest Rate Derivatives			2,700.0		2,700.0		$ 1,900.0
Interest Expense [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense, Debt			18.3	18.3	1.5	84.8
Interest Expense [Member] | Interest Rate Contracts | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			35.0	(0.7)	19.5	(0.7)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings			0.0	0.0	0.0	0.0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0.0		0.0
Other Income And Expense [Member] | Foreign Exchange Contracts | Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			(39.4)	(25.2)	(2.5)	(35.9)
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion			0.0	0.0	0.0	0.0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0.0	0.0	0.0	0.0
Cost of sales | Foreign Exchange Contracts | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			(3.6)	(1.0)	34.4	(3.6)
Derivative, Hedged Item, Gain (Loss) Effect on Income Statement			16.2	0.2	22.9	0.3
Gain (loss) reclassified from accumulated other comprehensive loss into earnings			(16.2)	(0.2)	(22.9)	(0.3)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	[1]		$ 0.0	$ 0.0	$ 0.0	$ 0.0

[1] Includes ineffective portion and amount excluded from effectiveness testing on derivatives.