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INVENTORY (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Finished product ready for sale $ 487,075 $ 501,027
Work-in-process, bulk product and raw materials 62,242 60,911
Packaging supplies 6,568 7,194
Total inventories, net $ 555,885 $ 569,132