Commitments and Contingencies (Cost/Income Asbestos Related Claims after Recoveries) (Details) (Asbestos Issue [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Asbestos Issue [Member]
Continuing operations	$ 7.4	$ 0.3	$ 6.4	$ (2.3)
Discontinued operations	(4.7)	(3.0)	(9.7)	(8.6)
Total	$ 2.7	$ (2.7)	$ (3.3)	$ (10.9)