Background and Basis of Presentation (Details 2) (Reclassifications, USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Jun. 30, 2012 Operating activities	Jun. 30, 2012 Investing activities	Dec. 31, 2012 Inventories, net	Dec. 31, 2012 Property, plant and equipment, net
Reclassifications
Prior period reclassifications	$ 5.1	$ 5.1	$ 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