Fair Value Measurements and Risk (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Derivatives in ASC 815 cash flow hedging relationships
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	$ 0	$ 0.3	$ 0.2	$ (2.3)
Gain (loss) from hedging activities	1.3	(2.2)	0.9	(4.6)
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)		(0.2)		0
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		(0.2)
Gain (loss) from hedging activities	(0.2)	0	(0.1)	(0.2)
Derivatives in ASC 815 cash flow hedging relationships | Currency contracts | Other income (expense)
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in OCI on Derivatives (Effective Portion)	1.0		0.7
Gain (loss) from hedging activities	1.0		0.8
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)	(1.0)	0.5	(0.3)	(2.3)
Gain (loss) from hedging activities	0.5	(2.2)	0.2	(4.4)
Not Designated as Hedging Instrument [Member] | Currency contracts | Other income (expense)
Gains and losses on derivative instruments
Amount of Gain or (Loss) Recognized in Income on Derivative	$ (3.6)	$ 16.7	$ 4.1	$ 7.8