Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended
	Dec. 31, 2013 Minimum Country	Dec. 31, 2013 Stand by letters of credit, bonds and bank guarantees	Dec. 31, 2012 Stand by letters of credit, bonds and bank guarantees	Dec. 31, 2013 Stand by letters of credit, bonds and bank guarantees Minimum	Dec. 31, 2013 Stand by letters of credit, bonds and bank guarantees Maximum	Dec. 31, 2013 Environmental indemnification for properties sold to third party in 2007 Maximum	Dec. 31, 2013 Environmental indemnification for property from a lease terminated in 2006
Guarantor Obligations [Line Items]
Contingent liability outstanding		$ 216.3	$ 208.8
Guarantee term					4 years	20 years
Fees paid to various banks and insurance companies on face amount of instruments (as a percent)				0.32%	2.55%
Number of countries in which entity has currency exposures	35
Potential amount of future payments for guarantees, maximum							$ 3.0