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		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ (6.5)	$ (0.9)	$ 5.9	$ (5.5)
Cash flow hedges | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	(9.0)	(1.4)	5.2	(6.4)
Cash flow hedges | Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss), Recognized in Income	[1]	$ 2.5	$ 0.5	$ 0.7	$ 0.9

[1] Classified in SG&A.