FINANCE RECEIVABLES (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2017	Sep. 30, 2016
Allowance for credit losses:
Balance, beginning of period	$ 30,374	$ 28,957
Finance receivables charged-off	(36,271)	(34,227)
Recoveries	4,482	4,516
Provision	35,140	31,128	$ 25,185
Balance, end of period	33,725	30,374	28,957
Less:
Finance receivables				$ 242,684	$ 280,947
Allowance for credit losses	$ (30,374)	$ (28,957)	$ (28,957)	(33,725)	(30,374)
Balance net of allowance				$ 208,959	$ 250,573