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
Details of other income (expense), net
Interest and dividend income	$ 1.5	$ 1.8	$ 5.7	$ 5.8
Net foreign exchange transaction gains (losses)	1.3	(2.4)	(6.2)	(4.2)
Gains from foreign currency forward contracts related to the closing of the acquisition of Diversey	6.3		6.3
Settlement agreement and related costs	(0.2)	0	(0.8)	(0.6)
Noncontrolling interests	0.9	0.5	2.5	1.6
Other, net	(3.0)	(1.5)	(6.6)	(5.1)
Other expense, net	$ 6.8	$ (1.6)	$ 0.9	$ (2.5)