SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012 segment	Dec. 31, 2011
SEGMENTS
Number of operating segments	1
SEGMENTS
Net sales attributed to customers in the United States	$ 43,381	$ 41,427
Net sales attributed to customers in Foreign countries	6,363	5,201
Net sales	49,744	46,628
Branded nutritional supplements and other natural products
SEGMENTS
Net sales	45,004	43,535
Other
SEGMENTS
Net sales	$ 4,740	$ 3,093