Related Parties

3 Months Ended

Mar. 31, 2013

Related Party Transactions [Abstract]

Related Party Transactions Disclosure [Text Block]

MWI Co. holds a 50.0% membership interest in Feeders' Advantage LLC (“Feeders' Advantage”). MWI Co. charged Feeders' Advantage for certain operating and administrative services in the amounts of $260 and $233for the three months ended March 31, 2013 and 2012, respectively. MWI Co. charged Feeders' Advantage for certain operating and administrative services in the amounts of $557 and $497 for the six months ended March 31, 2013 and 2012, respectively. Sales of products to Feeders' Advantage were $16,799 and $14,585, which represented 3% of total product sales for each of the three months ended March 31, 2013 and 2012. Sales of products to Feeders' Advantage were $35,805 and $30,143, which represented 3% of total product sales for each of the six months ended March 31, 2013 and 2012.

MWI Co. allows Feeders' Advantage to use its cash management system to finance its day-to-day operations. At any given time, the outstanding position used in the cash management system may be a receivable or payable depending on the cash activity. A receivable balance bears interest at the prime rate. The interest due on the outstanding receivable is calculated and charged to Feeders' Advantage on the last day of each month. Conversely, to the extent MWI Co. has a payable balance due to Feeders' Advantage, the payable balance accrues interest in favor of Feeders' Advantage at the average federal funds rates in effect for that month. MWI Co. had a payable balance to Feeders' Advantage of $1,490as of March 31, 2013and a receivable balance from Feeders' Advantage of $62 as of September 30, 2012.