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STOCK COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Sep. 30, 2019
Number of Shares |  |
Options outstanding, beginning of period (in shares) | 59,835 |
Granted (in shares) | 0 |
Exercised (in shares) | (41,949) |
Forfeited or expired (in shares) | 0 |
Options outstanding, end of period (in shares) | 17,886 | 59,835
Options exercisable, end of period (in shares) | 17,886 |
Weighted Average Exercise Price |  |
Options outstanding, beginning of period (in dollars per share) | $ 8.06 |
Granted (in dollars per share) | 0 |
Exercised (in dollars per share) | 6.98 |
Forfeited or expired (in dollars per share) | 0 |
Options outstanding, end of period (in dollars per share) | 10.60 | $ 8.06
Options exercisable, end of period (in dollars per share) | $ 10.60 |
Weighted Average Remaining Contractual Term |  |
Options outstanding (in years) | 3 months | 1 year 6 months 14 days
Exercised (in years) | 1 year 3 days |
Options exercisable term (in years) | 3 months |
Aggregate Intrinsic Value |  |
Options outstanding, beginning of period | $ 1,469 |
Granted | 0 |
Exercised | 866 |
Forfeited or expired | 0 |
Options outstanding, end of period | 135 | $ 1,469
Options exercisable, end of period | $ 135 |
Number of Shares |  |
Nonvested shares outstanding, beginning of period (in shares) | 926,122 |
Granted (in shares) | 191,372 |
Vested (in shares) | (276,193) |
Forfeited or expired (in shares) | (9,584) |
Nonvested shares outstanding, end of period (in shares) | 831,717 | 926,122
Weighted Average Fair Value at Grant |  |
Nonvested shares outstanding, beginning of period (in dollars per share) | $ 29.54 |
Granted (in dollars per share) | 32.32 |
Vested (in dollars per share) | 30.04 |
Forfeited or expired (in dollars per share) | 31.48 |
Nonvested shares outstanding, end of period (in dollars per share) | $ 29.99 | $ 29.54
Stock based compensation expense not yet recognized in income | $ 9,400 |
Weighted average remaining period for unrecognized stock based compensation (in years) | 2 years 5 months 15 days |

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