Organization and Basis of Presentation Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2008
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1.9	$ 1.9	$ 1.9
Acquired Finite-lived Intangible Asset, Amount			8.7	9.6
Finite-Lived Intangible Assets, Carrying Amount of FormTech Customer Relationships at Period End	$ 1.9