Fair Value Measurements and Risk (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
Currency contracts | Other income (expense)
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in Income on Derivative	$ (4.4)	$ 23.2	$ 3.4	$ (1.1)
Derivatives in ASC 815 cash flow hedging relationships | Cost of goods sold
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	1.6	(2.9)	(0.7)	(3.3)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(0.7)	(0.3)	(5.3)	(1.4)
Derivatives in ASC 815 cash flow hedging relationships | Currency contracts | Cost of goods sold
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	0.8	(0.7)	0.8	(0.5)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0.6	0.2	0.4	0.2
Derivatives in ASC 815 cash flow hedging relationships | Commodity contracts | Cost of goods sold
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	0.8	(2.2)	(1.5)	(2.8)
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (1.3)	$ (0.5)	$ (5.7)	$ (1.6)