Detail Pre-tax Amounts Reclassified From Accumulated Other Comprehensive Income (Loss) into Earnings for Active Derivative Financial Instruments (Detail) - Cash Flow Hedges - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from OCI to Income (Effective Portion)		$ (4.9)	$ (2.2)	$ 6.0	$ 4.5
Interest Rate Contracts | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount Recorded in OCI Gain (Loss)		35.0	(0.7)	19.5	(0.7)
Gain (Loss) Reclassified from OCI to Income (Effective Portion)		0.0	0.0	0.0	0.0
Gain (Loss) Recognized in Income (Ineffective Portion)		0.0		0.0
Foreign Exchange Contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Hedged Item, Gain (Loss) Effect on Income Statement		16.2	0.2	22.9	0.3
Amount Recorded in OCI Gain (Loss)		(3.6)	(1.0)	34.4	(3.6)
Gain (Loss) Reclassified from OCI to Income (Effective Portion)		16.2	0.2	22.9	0.3
Gain (Loss) Recognized in Income (Ineffective Portion)	[1]	$ 0.0	$ 0.0	$ 0.0	$ 0.0

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