Restructuring and Other Charges - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Facility	Dec. 31, 2019 USD ($) Position Facility	Dec. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Additional charges, net	$ 17,295	$ 29,765	$ 5,079
Severance costs	$ 2,685
Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Expected number of sites closed | Facility	35
Number Of Sites Closed | Facility	11	10
2017 Productivity Program [Member]
Restructuring Cost and Reserve [Line Items]
Additional charges, net	$ 24,200
Severance | Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Additional charges, net	26,700
Other Restructuring Costs	63,000
Severance | 2019 Severance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Additional charges, net	20,500
Expected Number of Positions Eliminated | Position		190
Scent [Member]
Restructuring Cost and Reserve [Line Items]
Additional charges, net	2,791	$ 12,093	3,433
Shared IT & Corporate Costs [Member]
Restructuring Cost and Reserve [Line Items]
Additional charges, net	$ (2,374)	$ 7,627	$ 0
Asia [Member] | Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Number Of Sites Closed | Facility	2	1
EMEA [Member] | Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Number Of Sites Closed | Facility	5	6
Latin America [Member] | Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Number Of Sites Closed | Facility		2
North America [Member] | Frutarom Integration Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Number Of Sites Closed | Facility	4	1