SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Facility	Jun. 30, 2014 USD ($)	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	$ 868,980		$ 868,980		$ 861,531
Depreciation and amortization	9,712	$ 7,131	19,581	$ 9,762
Capital expenditures			15,299	3,504
Net sales	134,773	132,230	279,635	218,225
Earnings before income taxes	22,167	15,291	45,252	28,663
Transaction and integration costs	0	(1,503)	0	(2,848)
Interest and other income (expense)	(1,607)	(1,218)	(3,560)	(1,201)
SensoryEffects [Member] | Reportable Segments [Member]
Segment information [Abstract]
Assets	642,691		642,691		656,130
Depreciation and amortization	7,533	4,798	15,172	5,097
Capital expenditures			5,702	886
Net sales	67,230	49,199	134,987	61,349
Earnings before income taxes	9,087	2,874	16,793	5,475
Animal Nutrition & Health [Member] | Reportable Segments [Member]
Segment information [Abstract]
Assets	99,743		99,743		90,650
Depreciation and amortization	1,582	1,852	3,128	3,373
Capital expenditures			8,290	1,803
Net sales	41,642	43,221	84,348	84,074
Earnings before income taxes	7,468	5,510	15,978	9,669
Specialty Products [Member] | Reportable Segments [Member]
Segment information [Abstract]
Assets	25,853		25,853		24,913
Depreciation and amortization	300	353	641	713
Capital expenditures			489	441
Net sales	13,805	13,642	27,384	26,434
Earnings before income taxes	6,093	5,463	11,794	10,269
Industrial Products [Member] | Reportable Segments [Member]
Segment information [Abstract]
Assets	20,217		20,217		32,330
Depreciation and amortization	297	128	640	579
Capital expenditures			818	374
Net sales	12,096	26,168	32,916	46,368
Earnings before income taxes	1,126	$ 4,165	4,247	$ 7,299
Other Unallocated [Member] | Reportable Segments [Member]
Segment information [Abstract]
Assets	$ 80,476		$ 80,476		$ 57,508