Restructuring and Other Charges, Net - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Fragrance Ingredients Rationalization [Member] Positions	Sep. 30, 2014 Fragrance Ingredients Rationalization [Member]	Dec. 31, 2013 Fragrance Ingredients Rationalization [Member]	Sep. 30, 2014 Fragrance Ingredients Rationalization [Member] Minimum [Member]	Sep. 30, 2014 Fragrance Ingredients Rationalization [Member] Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, expected charges								$ 14,000,000	$ 15,000,000
Restructuring, accelerated depreciation of fixed assets						5,100,000	5,200,000		10,000,000
Restructuring, personnel-related costs						100,000	2,200,000		3,000,000
Restructuring, plant shutdown and other related costs						800,000		1,000,000	2,000,000
Restructuring charge	608,000	0	912,000	2,105,000		6,012,000	7,400,000
Expected number of positions eliminated					43
Estimation on future cash expenditures								$ 4,000,000	$ 5,000,000