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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Income Taxes [Line Items]        
Computed expected tax expense $ 4,257 $ 283 $ 4,508 $ 3,428
State income taxes 18 76 166 181
Stock option disqualifying dispositions and other permanent differences 167 (156) 349 (161)
Total income tax expense $ 4,442 $ 203 $ 5,023 $ 3,448