Other Income (Expense) - Net (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Other Income (Expense) - Net
Merger related expenses (1)	$ (12.0)		$ (12.0)
Retiree health care expenses related to previously owned businesses	(2.4)	(2.6)	(7.1)	(7.9)
Expenses related to previously owned businesses	(3.2)	(0.9)	(7.7)	(5.2)
Equity in affiliated companies	1.2	(0.4)	1.1	(1.2)
Other - net	(0.3)	0.3	(1.0)	(0.1)
Other income (expense) - net	$ (16.7)	$ (3.6)	$ (26.7)	$ (14.4)