Derivatives (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013	Sep. 30, 2012
Cash Flow Hedging [Member]
Amount of Loss or (Gain) Reclassified from AOCI into Income (Effective Portion):
Effective portion	$ 2.1		$ 2.8		$ (3.3)	$ (7.6)
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	2.1	[1]	2.2	[1]	(3.3)	(5.8)
Cash Flow Hedging [Member] | Interest Expense Net [Member] | Interest Rate Swap [Member]
Amount of Loss or (Gain) Reclassified from AOCI into Income (Effective Portion):
Effective portion	0	[2]	0.6	[2]	0	(1.8)
Cash Flow Hedging [Member] | Losses and Other Expenses Net [Member] | Commodity Futures Contracts [Member]
Amount of (Gain) or Loss Recognized in Income on Derivatives (Ineffective Portion):
Ineffective portion	(0.1)	[3]	(0.1)	[3]	(0.2)	0.2
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	(1.2)		(0.2)		(1.4)	0.6
Not Designated as Hedging Instrument [Member] | Losses and Other Expenses Net [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	(0.6)	[3]	(0.8)	[3]	(1.2)	0.9
Not Designated as Hedging Instrument [Member] | Losses and Other Expenses Net [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	$ (0.6)	[3]	$ 0.6	[3]	$ (0.2)	$ (0.3)

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

[2] The loss was recorded in Interest expense, net in the accompanying Consolidated Statements of Operations.

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