Divestiture (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Restructuring Reserve Disclosures [Line Items]
Restructuring Charges	$ 0	$ 9.3
Disposal Group, Including Discontinued Operation, Revenue	160
Proceeds from Divestiture	79.8	0
Gain on divestiture	9.4	0
Stow Plant Closure [Member]
Restructuring Reserve Disclosures [Line Items]
Expected Cash Payments for Stow Plant Closure	26
Restructuring Charges	25.0
Restructuring and Related Cost, Expected Cost	30
Cost of Sales [Member] | Stow Plant Closure [Member]
Restructuring Reserve Disclosures [Line Items]
Restructuring Charges	$ 23.8