Fair Value (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Assets Balance	$ 0	$ 0.7
Liabilities
Liabilities Balance	(6.5)	(0.9)
Commodity Futures Contracts [Member]
Assets
Assets Balance	0	0.4
Liabilities
Liabilities Balance	(2.3)	0
Foreign Currency Derivatives [Member]
Assets
Assets Balance	0	0.3
Liabilities
Liabilities Balance	(4.2)	(0.9)
Level 1 [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	0	0
Level 1 [Member] | Commodity Futures Contracts [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	0	0
Level 1 [Member] | Foreign Currency Derivatives [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	0	0
Level 2 [Member]
Assets
Assets Balance	0	0.7
Liabilities
Liabilities Balance	(6.5)	(0.9)
Level 2 [Member] | Commodity Futures Contracts [Member]
Assets
Assets Balance	0	0.4
Liabilities
Liabilities Balance	(2.3)	0
Level 2 [Member] | Foreign Currency Derivatives [Member]
Assets
Assets Balance	0	0.3
Liabilities
Liabilities Balance	(4.2)	(0.9)
Level 3 [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	0	0
Level 3 [Member] | Commodity Futures Contracts [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	0	0
Level 3 [Member] | Foreign Currency Derivatives [Member]
Assets
Assets Balance	0	0
Liabilities
Liabilities Balance	$ 0	$ 0