Other Expense, net (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Details of other expense, net
Interest and dividend income	$ 2.2	$ 2.0	$ 4.2	$ 4.0
Net foreign exchange transaction losses	(3.1)	(3.3)	(7.5)	(1.8)
Settlement agreement and related costs	(0.2)	(0.3)	(0.6)	(0.6)
Noncontrolling interests	0.9	0.6	1.6	1.1
Other, net	(1.8)	(2.1)	(3.6)	(3.6)
Other expense, net	$ (2.0)	$ (3.1)	$ (5.9)	$ (0.9)