Derivatives (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 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	$ 1.1	[1]	$ (0.4)	[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	[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	0.8		0.3
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	0.7	[2]	0.8	[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	$ 0.1	[2]	$ (0.5)	[2]

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

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