ACCRUED LIABILITIES: (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
ACCRUED LIABILITIES:
Compensation	$ 9,383	$ 9,788
Other employee benefits	7,440	7,185
Taxes, other than income	2,716	3,284
Advertising and promotions	22,453	19,805
Other	8,125	6,420
Total accrued liabilities	$ 50,117	$ 46,482