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, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Recognized in Income	$ (0.9)	$ (0.5)	$ (5.5)	$ 6.0
Cash Flow Hedging | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Recognized in Income	(1.4)	(0.8)	(6.4)	5.6
Cash Flow Hedging | Commodity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(Loss) Recognized in Income	$ 0.5	$ 0.3	$ 0.9	$ 0.4