Components of Other Expense Income Net (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Component Of Other Expense Income Nonoperating [Line Items]
Foreign currency transaction losses			$ 2.7
Asset impairment charge	6.2
Other items, net	(1.2)	(1.0)	(1.1)
Total other expense (income), net	$ 5.0	$ (1.0)	$ 1.6