Gain and Loss Activity Related to Derivative Financial Instruments Designated as Effective Hedges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	$ 2.6		$ 0.1		$ 14.9		$ 2.6
Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(10.4)	[1]	(7.5)	[1]	18.2	[1]	(8.0)	[1]
Gain/(Loss), Reclassified from AOCI to Income	2.6		0.1		14.9		2.6
Gain/(Loss), Recognized in Income	0.3	[2]	(5.5)	[2]	(3.8)	[2]	(6.3)	[2]
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swap
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(1.5)	[1]	(2.4)	[1]	6.2	[1]	(5.2)	[1]
Designated as Hedging Instrument | Cash Flow Hedging | Foreign Exchange Contract
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(8.9)	[1]	(5.1)	[1]	12.0	[1]	(2.8)	[1]
Gain/(Loss), Reclassified from AOCI to Income	2.6		0.1		14.9		2.6
Gain/(Loss), Recognized in Income	0.3	[2]	(5.5)	[2]	(3.8)	[2]	(6.3)	[2]
Designated as Hedging Instrument | Gain (Loss) on Derivatives
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	2.6		0.1		14.9		2.6
Gain/(Loss), Recognized in Income	0.3	[2]	(5.5)	[2]	(3.8)	[2]	(6.3)	[2]
Designated as Hedging Instrument | Gain (Loss) on Derivatives | Sales
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	2.0		(0.9)		(0.3)		(0.9)
Designated as Hedging Instrument | Gain (Loss) on Derivatives | Cost of Sales
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	0.6		1.0		15.2		3.5
Designated as Hedging Instrument | Gain (Loss) on Derivatives | SG&A
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in Income	$ 0.3	[2]	$ (5.5)	[2]	$ (3.8)	[2]	$ (6.3)	[2]

[1] Represents effective portion recognized in Other Comprehensive Income (Loss) ("OCI").

[2] Represents portion excluded from effectiveness testing.