Restructuring and Other Charges, Net - Changes in Employee-Related Restructuring Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Accelerated Depreciation	$ 2,200	$ 800		$ 3,000
Beginning Balance				3,149
Additional charges, net	0	2,900	0	2,105	1,668
Additional charges, net				5,105
Restructuring Reserve, Settled without Cash				(3,000)
Payments and other costs				(2,794)
Ending Balance	2,460			2,460
Fragrance Ingredients Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance				0
Additional charges, net				2,105
Payments and other costs				(28)
Ending Balance	2,077			2,077
Strategic Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance				3,149
Additional charges, net				0
Payments and other costs				(2,766)
Ending Balance	$ 383			$ 383