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Segment Information - Capital Expenditure and Depreciation and Amortization by Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Capital Expenditures	$ 191,794	$ 235,978	$ 170,094
Depreciation and amortization	325,360	323,330	173,792
Operating Segments [Member] | Flavors [Member]
Segment Reporting Information [Line Items]
Capital Expenditures	107,322	135,421	82,712
Depreciation and amortization	244,704	247,791	101,224
Operating Segments [Member] | Fragrances [Member]
Segment Reporting Information [Line Items]
Capital Expenditures	77,192	92,279	82,400
Depreciation and amortization	73,801	69,225	65,066
Unallocated assets [Member]
Segment Reporting Information [Line Items]
Capital Expenditures	7,280	8,278	4,982
Depreciation and amortization	$ 6,855	$ 6,314	$ 7,502

X

- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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X

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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