Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Revenue from external customers	$ 349,662	$ 344,533	$ 1,052,966	$ 1,036,768
Total Revenue	359,552	354,214	1,086,378	1,067,424
Operating income (loss)	51,151	43,220	142,335	134,733
Interest expense	4,584	4,295	14,021	12,316
Earnings before income taxes	46,567	38,925	128,314	122,417
Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Total Revenue	200,663	207,373	608,329	617,983
Color [Member]
Segment Reporting Information [Line Items]
Total Revenue	125,445	118,468	383,075	362,516
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Total Revenue	33,444	28,373	94,974	86,925
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total Revenue	0	0	0	0
Operating Segments [Member] \| Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	194,845	201,049	586,955	598,226
Operating income (loss)	32,280	31,369	95,097	94,354
Interest expense	0	0	0	0
Earnings before income taxes	32,280	31,369	95,097	94,354
Operating Segments [Member] \| Color [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	121,424	115,146	371,166	351,737
Operating income (loss)	26,295	23,181	82,143	74,972
Interest expense	0	0	0	0
Earnings before income taxes	26,295	23,181	82,143	74,972
Operating Segments [Member] \| Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	33,393	28,338	94,845	86,805
Operating income (loss)	6,584	5,703	18,701	17,448
Interest expense	0	0	0	0
Earnings before income taxes	6,584	5,703	18,701	17,448
Operating Segments [Member] \| Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	0	0	0	0
Operating income (loss)	(14,008)	(17,033)	(53,606)	(52,041)
Interest expense	4,584	4,295	14,021	12,316
Earnings before income taxes	(18,592)	(21,328)	(67,627)	(64,357)
Intersegment Revenue [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	9,890	9,681	33,412	30,656
Intersegment Revenue [Member] \| Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	5,818	6,324	21,374	19,757
Intersegment Revenue [Member] \| Color [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	4,021	3,322	11,909	10,779
Intersegment Revenue [Member] \| Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	51	35	129	120
Intersegment Revenue [Member] \| Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	$ 0	$ 0	$ 0	$ 0

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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