Gain and Loss Activity Related to Derivative Financial Instruments Designated as Effective Hedges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	$ 6.2		$ 2.3		$ 12.3		$ 2.5
Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	14.0	[1]	(1.3)	[1]	28.6	[1]	(0.5)	[1]
Gain/(Loss), Reclassified from AOCI to Income	6.2		2.3		12.3		2.5
Gain/(Loss), Recognized in Income	(3.2)	[2]	(0.1)	[2]	(4.1)	[2]	(0.8)	[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)	7.0	[1]	(2.3)	[1]	7.7	[1]	(2.8)	[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)	7.0	[1]	1.0	[1]	20.9	[1]	2.3	[1]
Gain/(Loss), Reclassified from AOCI to Income	6.2		2.3		12.3		2.5
Gain/(Loss), Recognized in Income	(3.2)	[2]	(0.1)	[2]	(4.1)	[2]	(0.8)	[2]
Designated as Hedging Instrument | Gain (Loss) on Derivatives
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	6.2		2.3		12.3		2.5
Gain/(Loss), Recognized in Income	(3.2)	[2]	(0.1)	[2]	(4.1)	[2]	(0.8)	[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	(2.1)		0.3		(2.3)
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	8.3		2.0		14.6		2.5
Designated as Hedging Instrument | Gain (Loss) on Derivatives | SG&A
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in Income	$ (3.2)	[2]	$ (0.1)	[2]	$ (4.1)	[2]	$ (0.8)	[2]

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

[2] Represents portion excluded from effectiveness testing.