Exit and Disposal Activities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Exit and disposal activities
Exit and disposal costs	$ 4.4	$ 0.7	$ 6.4
Cost of goods sold
Exit and disposal activities
Exit and disposal costs	0.7	0.6	2.6
Selling and administrative expenses
Exit and disposal activities
Exit and disposal costs	0.2	0.1
Other expense
Exit and disposal activities
Exit and disposal costs	$ 3.5		$ 3.8