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Restructuring Actions (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]    
Charges   $ 22.9
Cash utilization 0.1 22.9
Asset Retirement Obligations [Member]
   
Restructuring Cost and Reserve [Line Items]    
Restructuring reserve $ 0.4