SCHEDULE OF SALES BY GENERAL PRODUCT CATEGORY (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customer
Revenue	$ 618,201	$ 672,244	$ 678,520	$ 670,247	$ 607,156	$ 656,326	$ 675,216	$ 674,456	$ 2,639,212	$ 2,613,154	$ 2,626,761
Operating Segments
Revenue from External Customer
Revenue									2,906,589	2,904,374	2,945,527
Operating Segments | Retail
Revenue from External Customer
Revenue									1,945,197	1,939,150	1,926,770
Operating Segments | Retail | VMHS
Revenue from External Customer
Revenue									626,626	649,110	663,625
Operating Segments | Retail | Sports nutrition
Revenue from External Customer
Revenue									778,813	759,819	764,908
Operating Segments | Retail | Diet
Revenue from External Customer
Revenue									201,400	193,830	198,834
Operating Segments | Retail | Other wellness
Revenue from External Customer
Revenue									108,500	110,594	92,123
Operating Segments | Retail | Other
Revenue from External Customer
Revenue									$ 229,858	$ 225,797	$ 207,280