SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Facility	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
SEGMENT INFORMATION [Abstract]
Percentage decrease of chlorides released in environment			75.00%
Number of filing facilities \| Facility			2
Segment information [Abstract]
Assets	$ 882,594		$ 882,594		$ 861,531
Depreciation and amortization	9,777	$ 10,135	29,358	$ 19,896
Capital expenditures			28,117	5,934
Net sales	140,128	160,490	419,763	378,715
Earnings before income taxes	21,189	23,209	66,440	51,872
Unallocated equity compensation	(1,462)	0	(1,462)	0
Transaction and integration costs	0	(494)	0	(3,342)
Interest and other income (expense)	(1,733)	(2,075)	(5,294)	(3,276)
SensoryEffects [Member] \| Reportable Segments [Member]
Segment information [Abstract]
Assets	647,135		647,135		656,130
Depreciation and amortization	7,594	7,860	22,766	12,956
Capital expenditures			12,663	1,738
Net sales	72,978	71,821	207,965	133,170
Earnings before income taxes	11,604	8,743	28,397	14,218
Animal Nutrition & Health [Member] \| Reportable Segments [Member]
Segment information [Abstract]
Assets	102,672		102,672		90,650
Depreciation and amortization	1,703	1,230	4,831	4,603
Capital expenditures			13,711	2,519
Net sales	39,947	45,805	124,295	129,879
Earnings before income taxes	5,625	6,953	21,603	16,622
Specialty Products [Member] \| Reportable Segments [Member]
Segment information [Abstract]
Assets	25,616		25,616		24,913
Depreciation and amortization	288	332	929	1,045
Capital expenditures			750	608
Net sales	13,818	13,652	41,202	40,086
Earnings before income taxes	6,031	5,306	17,825	15,576
Industrial Products [Member] \| Reportable Segments [Member]
Segment information [Abstract]
Assets	20,239		20,239		32,330
Depreciation and amortization	192	713	832	1,292
Capital expenditures			993	1,069
Net sales	13,385	29,212	46,301	75,580
Earnings before income taxes	1,124	$ 4,776	5,371	$ 12,074
Other Unallocated [Member] \| Reportable Segments [Member]
Segment information [Abstract]
Assets	$ 86,932		$ 86,932		$ 57,508

Value of equity interests on acquisition of one time equity compensation.

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Percentage of amount of chlorides released into the environment reduced when compared to potassium chloride.

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