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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 5,084,239	$ 5,140,084	$ 3,977,539
Flavors [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,109,781	3,200,520	2,091,635
Fragrances [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,974,458	1,939,564	1,885,904
Fragrance Ingredients [Member] | Fragrances [Member]
Disaggregation of Revenue [Line Items]
Revenue	396,930	394,910	389,411
Flavor Compounds [Member] | Flavors [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,737,079	2,827,681	1,990,985
Flavor Ingredients [Member] | Flavors [Member]
Disaggregation of Revenue [Line Items]
Revenue	372,702	372,839	100,650
Fragrance Compounds [Member] | Fragrances [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,577,528	1,544,654	1,496,493
EMEA [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,987,398	2,081,758	1,396,316
Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,161,660	1,162,992	991,015
North America [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,228,243	1,170,497	1,010,126
Latin America [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 706,938	$ 724,837	$ 580,082

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+ References

No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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