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Discontinued Operations - Schedule of Income (Loss) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]      
Sales $ 14.9us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue $ 268.2us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue $ 364.6us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Income (loss) before income taxes $ (0.9)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax $ 414.2us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax $ 11.7us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax