Commitments and Contingencies (Cost/Income Asbestos Related Claims after Recoveries) (Details) - Asbestos [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Continuing operations	$ 0.2	$ 1.9	$ (2.4)	$ 4.0
Discontinued operations	11.5	31.8	22.9	51.6
Total	$ 11.7	$ 33.7	$ 20.5	$ 55.6