Gain and Loss Activity Related to Derivative Financial Instruments Not Designated as Effective Hedges (Detail) - Derivatives that are not designated as effective hedges - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ (3.9)	$ 5.8	$ 2.0	$ 0.3
Cash flow hedges | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	4.3	6.9	9.5	0.5
Cash flow hedges | Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ (8.2)	$ (1.1)	$ (7.5)	$ (0.2)

[1] Classified in SG&A.