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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Leases, Operating [Abstract]      
Rent expense $ 20.5 $ 22.5 $ 19.0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2014 15.7    
2015 14.5    
2016 13.8    
2017 12.8    
2018 8.2    
Thereafter 23.8    
Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract]      
Purchase obligation, property, plant, and equipment 190.3    
Accrual for Environmental Loss Contingencies [Abstract]      
Accrual for environmental remediation obligations 14    
Accrued environmental loss contingencies recorded in other current liabilities 8    
Components of Environmental Loss Accrual [Abstract]      
Federal Superfund and comparable state-managed sites 4    
Formerly owned or operated sites 7    
Owned or controlled sites at which Company operations have been discontinued 2    
Sites utilized by the company in its ongoing operations 1    
Reasonably possible amount by which current matters may exceed reserves $ 8