Gain and Loss Activity Related to Derivative Financial Instruments Designated as Effective Hedges (Detail) - USD ($) $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		$ 11.2		$ 2.2		$ 18.6	$ 4.2
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		11.2		2.2		18.6	4.2
Gain/(Loss), Recognized in Income	[1]	(2.6)		(2.3)		(3.5)	(3.9)
Designated as Hedging Instrument | Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI		(2.2)	[2]	(5.7)	[2]	7.9	(5.8)	[2]
Gain/(Loss), Reclassified from AOCI to Income		11.2		2.2		18.6	4.2
Gain/(Loss), Recognized in Income	[1]	(2.6)		(2.3)		(3.5)	(3.9)
Designated as Hedging Instrument | Cash flow hedges | Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI		1.4	[2]	(2.8)	[2]	(1.5)	(3.5)	[2]
Designated as Hedging Instrument | Cash flow hedges | Foreign Exchange Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI		(3.6)	[2]	(2.9)	[2]	9.4	(2.3)	[2]
Gain/(Loss), Reclassified from AOCI to Income		11.2		2.2		18.6	4.2
Gain/(Loss), Recognized in Income	[1]	(2.6)		(2.3)		(3.5)	(3.9)
Designated as Hedging Instrument | Unrealized Gain Loss On Derivatives | Sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		0.5		0.2		0.8	1.0
Designated as Hedging Instrument | Unrealized Gain Loss On Derivatives | Cost of Sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		10.7		2.0		17.8	3.2
Designated as Hedging Instrument | Unrealized Gain Loss On Derivatives | SG&A
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ (2.6)		$ (2.3)		$ (3.5)	$ (3.9)

[1] Represents portion excluded from effectiveness testing.

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