Investments in Affiliated Companies (Guarantees) (Details 4) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 49.8	[1]	$ 104.5	[1]
Guarantee of Indebtedness of Others [Member]
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 0		$ 42.0

[1] (1) The carrying value of liabilities on the balance sheet for commercial commitments was $6.2 million at December 31, 2013 and $6.4 million at December 31, 2012. The expirations of these commitments range from 2014 to 2023. We are not aware of any event that would require us to satisfy any of our commitments.