Derivatives (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Cash Flow Hedging [Member] | Cost of Goods Sold [Member] | Commodity Futures Contracts [Member]
Amount of Loss or (Gain) Reclassified from AOCI into Income (Effective Portion):
Effective portion	$ 2.8	[1]	$ 1.6	[1]	$ 3.9	[1]	$ 1.2	[1]
Cash Flow Hedging [Member] | Other Expense [Member] | Commodity Futures Contracts [Member]
Amount of (Gain) or Loss Recognized in Income on Derivatives (Ineffective Portion):
Ineffective portion	(0.1)	[2]	0	[2]	0.1	[2]	0.3	[2]
Not Designated as Hedging Instrument [Member]
Amount of (Gain) or Loss Recognized in Income on Derivatives (Ineffective Portion):
Amount of (Gain) or Loss Recognized in Income on Derivatives	(0.4)		2.3		0.4		2.6
Not Designated as Hedging Instrument [Member] | Other Expense [Member] | Commodity Futures Contracts [Member]
Amount of (Gain) or Loss Recognized in Income on Derivatives (Ineffective Portion):
Amount of (Gain) or Loss Recognized in Income on Derivatives	(0.4)	[2]	1.0	[2]	0.3	[2]	1.8	[2]
Not Designated as Hedging Instrument [Member] | Other Expense [Member] | Foreign Currency Forward Contracts [Member]
Amount of (Gain) or Loss Recognized in Income on Derivatives (Ineffective Portion):
Amount of (Gain) or Loss Recognized in Income on Derivatives	$ 0	[2]	$ 1.3	[2]	$ 0.1	[2]	$ 0.8	[2]

[1] The loss was recorded in Cost of goods sold in the accompanying Consolidated Statements of Operations.

[2] The loss (gain) was recorded in Losses (gains) and other expenses, net in the accompanying Consolidated Statements of Operations.