Derivative Instruments and Hedging Activities (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Sales [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (0.6)	$ (0.3)	$ (4.2)	$ 0.2
Other Income [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	0.2	(0.1)	0.9	0.5
Cost of Products Sold [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(19.4)	(0.2)	(19.2)	(0.2)
Cash Flow Hedging [Member] | Sales [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Reclassified from accumulated other comprehensive income (loss) into income (effective portion)	0	0	0	0.4
Cash Flow Hedging [Member] | Cost of Products Sold [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Reclassified from accumulated other comprehensive income (loss) into income (effective portion)	1.3	10.7	4.0	14.2
Recognized in cost of products sold (ineffective portion and amount excluded from effectiveness testing)	$ (0.7)	$ 0.6	$ (0.7)	$ 6.4