SEGMENT INFORMATION - Business Segment Earnings Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment information [Abstract]
Earnings before income taxes	$ 37,630	$ 29,983
Interest and other (expense)	(706)	(592)
Other and Unallocated
Segment information [Abstract]
Earnings before income taxes	(1,049)	(1,360)
Interest and other expense
Segment information [Abstract]
Interest and other (expense)	(706)	(592)
Human Nutrition & Health | Operating Segments
Segment information [Abstract]
Earnings before income taxes	20,303	19,690
Animal Nutrition & Health | Operating Segments
Segment information [Abstract]
Earnings before income taxes	11,321	5,056
Specialty Products | Operating Segments
Segment information [Abstract]
Earnings before income taxes	$ 7,761	$ 7,189