Background and Basis of Presentation (Details 2) (Reclassifications, USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2013 Operating activities	Sep. 30, 2013 Investing activities	Dec. 31, 2012 Inventories	Dec. 31, 2012 Property, plant and equipment, net
Reclassifications
Prior period reclassifications	$ 1.3	$ 1.3	$ 11.1	$ 11.1

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration