Other Expense, net - Details of Other Expense, Net (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Component of Other Expense, Nonoperating [Line Items]
Interest and dividend income	$ 12.0	$ 9.0	$ 8.1
Net foreign exchange transaction losses	(13.4)	(20.2)	(5.9)
Settlement agreement and related costs	(0.7)	(0.9)	(0.6)
Noncontrolling interests	2.6	3.2	2.3
Costs associated with our accounts receivable securitization program	(0.7)	(0.7)	(0.8)
Gain on sale of a North American facility		3.9
Other, net	(9.2)	(8.8)	(6.0)
Other expense, net	$ (9.4)	$ (14.5)	$ (2.9)