Investment securities are recorded at fair value and are classified as trading securities.   Investments classified as trading securities consisted of equity and fixed income mutual funds.  The market value of these investments exceeded cost by $175 and $343 at September 30, 2015 and 2014, respectively. Realized and unrealized gains and losses are recorded in investment income.  Realized gains (losses) for fiscal 2015, 2014 and 2013 were not material.  Equity investments primarily included ownership interests in various entities of less than 20%, which are recorded under the cost method of accounting.

At September 30, 2015 and 2014, non-current investments were as follows: