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INVENTORY (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jun. 30, 2017
Inventory Disclosure [Abstract]    
Finished product ready for sale () $ 509,209 $ 492,788
Work-in-process, bulk product and raw materials () 67,275 75,111
Packaging supplies 6,728 6,752
Inventory 583,212 $ 574,651
Revised correction in classification between Finished product and Work-in-process $ 18,000