Income Taxes (Components of Income Before Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Domestic operations	$ 60.9	$ 43.5	$ 1.8
Foreign operations	70.5	93.5	89.9
Income from continuing operations before income tax	$ 131.4	$ 137.0	$ 91.7