Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Restructuring and Other Charges, Net - Changes in Employee-Related Restructuring Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Restructuring Reserve [Roll Forward]
Additional charges (reversals), net	$ 1,186	$ 791	$ 1,903	$ 10,934
Fragrance Ingredients Rationalization [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance			7,957
Additional charges (reversals), net			1,903
Payments			(4,581)
Ending Balance	5,279		5,279
Fragrance Ingredients Rationalization [Member] \| Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance			7,539
Additional charges (reversals), net			1,903
Payments			(4,581)
Ending Balance	4,861		4,861
Fragrance Ingredients Rationalization [Member] \| Other
Restructuring Reserve [Roll Forward]
Beginning Balance			418
Additional charges (reversals), net			0
Payments			0
Ending Balance	$ 418		$ 418