SHARE-BASED PAYMENTS - Non-vested Options Activity (Details) - All Plans - Stock Options	12 Months Ended
	Sep. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Non-vested at beginning of period (in shares) | shares	77,400
Expired or forfeited (in shares) | shares	(77,400)
Non-vested at end of period (in shares) | shares	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Non-vested weighted-average grant-date fair value, beginning of period (in dollars per share) | $ / shares	$ 12.29
Expired or forfeited, weighted-average grant-date fair value (in dollars per share) | $ / shares	12.29
Non-vested weighted-average grant-date fair value, end of period (in dollars per share) | $ / shares	$ 0.00