Income Taxes - Significant Differences Between U.S. Federal Statutory Rate and Effective Income Tax Rate (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Effective Tax Rates Line Items
Valuation Allowance		$ 15.9
Proceeds from various foreign subsidiaries and joint ventures related to repatriation of high taxed earnings	12.3	56.9	33.8
Foreign tax credits	2.4	(1.8)	5.4
Net benefit from tax reserves		5.2
Recognized Tax Benefits In 2010
Schedule Of Effective Tax Rates Line Items
Recognized tax benefits		1.5
Recognized Tax Benefits In 2011
Schedule Of Effective Tax Rates Line Items
Recognized tax benefits		3.0
Phosphorous Flame Retardant Business Exit
Schedule Of Effective Tax Rates Line Items
Impact on undistributed foreign subsidiaries earnings		$ 17.4