Other Income (Expense) - Net (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Other Income (Expense) - Net
Retiree health care expenses related to previously owned businesses	$ (2.1)	$ (2.6)	$ (4.7)	$ (5.3)
Expenses related to previously owned businesses	(2.9)	(3.1)	(4.5)	(4.3)
Equity in affiliated companies	0.8	1.1	(0.1)	(0.8)
Other - Net		0.2	(0.7)	(0.4)
Other income (expense) - net	$ (4.2)	$ (4.4)	$ (10.0)	$ (10.8)