Basis of Statement Presentation Basis of Statement Presentation (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Prior Period Reclassification Adjustment	$ 1.6
Cost of Sales [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Prior Period Reclassification Adjustment	$ 2.3

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