Disclosures About Derivative Instruments and Hedging Activities (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Not Designated as Hedging Instrument [Member] | Other Income [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Recognized gains (losses) in consolidated statement of operations	$ (0.9)	$ 1.4	$ (1.6)	$ 1.5
Not Designated as Hedging Instrument [Member] | Cost of Products Sold [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Recognized gains (losses) in consolidated statement of operations	1.1	(6.6)	0.2	(6.5)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Cost of Products Sold [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Reclassified from accumulated other comprehensive income (loss) into cost of products sold (effective portion)	(11.3)	1.9	(31.9)	(3.4)
Recognized in cost of products sold (ineffective portion and amount excluded from effectiveness testing)	$ (0.7)	$ (3.5)	$ (0.7)	$ (5.9)