Derivatives (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013	Jun. 30, 2012
Cash Flow Hedging [Member]
Amount of Loss or (Gain) Reclassified from AOCI into Income (Effective Portion):
Effective portion	$ 1.6		$ 2.2		$ (1.2)	$ (4.7)
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	1.6	[1]	1.6	[1]	(1.2)	(3.5)
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	(1.2)
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	[3]	0	[3]	(0.3)	0.1
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	2.3		0.9		(2.6)	0.4
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	1.0	[3]	1.2	[3]	(1.8)	0.1
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	$ 1.3	[3]	$ (0.3)	[3]	$ (0.8)	$ 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 and other expenses, net in the accompanying Consolidated Statements of Operations.