Gain and Loss Activity Related to Derivative Financial Instruments Designated as Effective Hedges (Detail) (Designated as Hedging Instrument, USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	$ 0.1		$ (5.6)		$ 2.6		$ (16.2)
Gain/(Loss), Recognized in Income	(5.5)	[1]	2.7	[1]	(6.3)	[1]	(2.9)	[1]
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(7.5)	[2]	7.0	[2]	(8.0)	[2]	(7.2)	[2]
Gain/(Loss), Reclassified from AOCI to Income	0.1		(5.6)		2.6		(16.2)
Gain/(Loss), Recognized in Income	(5.5)	[1]	2.7	[1]	(6.3)	[1]	(2.9)	[1]
Cash Flow Hedging | Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(2.4)	[2]	(1.2)	[2]	(5.2)	[2]	(3.7)	[2]
Cash Flow Hedging | Foreign Exchange Contract
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in OCI (effective portion)	(5.1)	[2]	8.2	[2]	(2.8)	[2]	(3.5)	[2]
Gain/(Loss), Reclassified from AOCI to Income	0.1		(5.6)		2.6		(16.2)
Gain/(Loss), Recognized in Income	(5.5)	[1]	2.7	[1]	(6.3)	[1]	(2.9)	[1]
Gain (Loss) on Derivatives | Sales
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	(0.9)		(0.6)		(0.9)		(1.0)
Gain (Loss) on Derivatives | Cost of Sales
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Reclassified from AOCI to Income	1.0		(5.0)		3.5		(15.2)
Gain (Loss) on Derivatives | SG&A
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain/(Loss), Recognized in Income	$ (5.5)	[1]	$ 2.7	[1]	$ (6.3)	[1]	$ (2.9)	[1]

[1] Represents portion excluded from effectiveness testing.

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