SEGMENT INFORMATION, Business Segment Earnings Before Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Earnings before income taxes	$ 25,177	$ 20,710
Transaction costs, integration costs, and legal settlement	(689)	(54)
Interest and other expense	(2,235)	(1,993)
Human Nutrition & Health [Member] \| Reportable Segments [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	13,003	10,196
Animal Nutrition & Health [Member] \| Reportable Segments [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	7,484	5,376
Specialty Products [Member] \| Reportable Segments [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	5,135	6,463
Industrial Products [Member] \| Reportable Segments [Member]
Segment Reporting Information [Line Items]
Earnings before income taxes	$ 2,479	$ 722

The expenses and losses recorded for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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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.

+ References

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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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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