Gain and Loss Activity Related to Derivative Financial Instruments Designated as Effective Hedges (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		$ 7.4	$ 1.1	$ 26.0	$ 5.3
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		7.4	1.1	26.0	5.3
Gain/(Loss), Recognized in Income	[1]	(1.2)	1.0	(4.7)	(2.9)
Designated as Hedging Instrument | Cash flow hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI	[2]	12.9	18.8	20.8	13.0
Gain/(Loss), Reclassified from AOCI to Income		7.4	1.1	26.0	5.3
Gain/(Loss), Recognized in Income	[1]	(1.2)	1.0	(4.7)	(2.9)
Designated as Hedging Instrument | Cash flow hedges | Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI	[2]	(2.9)	2.8	(4.4)	(0.7)
Designated as Hedging Instrument | Cash flow hedges | Foreign Exchange Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in OCI	[2]	15.8	16.0	25.2	13.7
Gain/(Loss), Reclassified from AOCI to Income		7.4	1.1	26.0	5.3
Gain/(Loss), Recognized in Income	[1]	(1.2)	1.0	(4.7)	(2.9)
Designated as Hedging Instrument | Unrealized Gain Loss On Derivatives | Net sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Reclassified from AOCI to Income		(0.1)	0.5	0.7	1.5
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		7.5	0.6	25.3	3.8
Designated as Hedging Instrument | Unrealized Gain Loss On Derivatives | Selling, general and administrative expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ (1.2)	$ 1.0	$ (4.7)	$ (2.9)

[1] Represents portion excluded from effectiveness testing.

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