Background and Basis of Presentation (Details 2) (Reclassifications, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating activities
Reclassifications
Prior period reclassifications	$ 1.1	$ 6.3
Investing activities
Reclassifications
Prior period reclassifications	1.1	6.3
Inventories
Reclassifications
Prior period reclassifications	11.1
Property, plant and equipment, net
Reclassifications
Prior period reclassifications	$ 11.1