INCOME TAXES (Details 1) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Contingency [Line Items]
Statutory federal tax rate	35.00%	35.00%
Salt depletion	(9.40%)	(3.40%)
Stock-based compensation	$ (0.084)	$ 0.000
Foreign rate differential	(3.10%)	(3.80%)
US Tax on Foreign Earnings	3.10%	3.80%
Dividends paid to CEOP	(0.40%)	0.60%
State income taxes, net	0.50%	(1.40%)
Change in valuation allowance	0.00%	0.10%
Change in tax contingencies	1.10%	1.60%
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent	5.80%	0.00%
Other, net	0.90%	0.30%
Effective tax rate	25.10%	31.60%