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SHARE-BASED COMPENSATION (Nonvested RSU Information) (Details) - Restricted Stock Units (RSUs) [Member] - shares
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Number of RSUs outstanding, nonvested, beginning balance 569,564 740,011
Number of RSUs outstanding, granted 506,800 444,068
Number of RSUs outstanding, canceled/forfeited (191,364) (281,516)
Number of RSUs outstanding, vested (275,435) (332,999)
Number of RSUs outstanding, nonvested, ending balance 609,565 569,564