Restructuring and Other Charges, Net - Changes in Employee-Related Restructuring Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			12 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Fragrance Ingredients Rationalization [Member]	Dec. 31, 2013 Fragrance Ingredients Rationalization [Member]	Jun. 30, 2014 Fragrance Ingredients Rationalization [Member] Employee -Related Costs [Member]	Jun. 30, 2014 Fragrance Ingredients Rationalization [Member] Accelerated Depreciation [Member]	Jun. 30, 2014 Fragrance Ingredients Rationalization [Member] Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance					$ 2,116		$ 2,116
Additional charges, net	182	2,105	304	2,105	5,404	7,400	(46)	5,100	350
Restructuring Reserve, Settled without Cash					(5,100)			(5,100)
Payments and other costs					(398)		(48)		(350)
Ending Balance					$ 2,022	$ 2,116	$ 2,022