Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 CSI	Apr. 30, 2012 CSI	Dec. 31, 2012 Schilling Robotics	Apr. 25, 2012 Schilling Robotics	Dec. 31, 2012 Pure Energy	Oct. 02, 2012 Pure Energy
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible asset, amount				$ 35.1	$ 35.1	$ 145.9	$ 145.9	$ 58.2	$ 58.2
Amortization of intangible assets	20.8	11.3	11.5
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2013	27.2
2014	26.4
2015	25.7
2016	25.2
2017	24.5
Thereafter	$ 218.4