INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Feb. 28, 2015	Jun. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	Sep. 30, 2015
Business Acquisition [Line Items]
Other		$ 1,877	$ 1,877		$ 2,667
Increase in fair value of contingent consideration payable			12
Amortization expense			553	$ 624
Certain Assets of a Tax Preparation and Accounting Business
Business Acquisition [Line Items]
Other	$ 569
Earn-out period	48 months
Maximum contingent consideration payable	$ 640
Increase in fair value of contingent consideration payable		4	12
Payments on contingent consideration		$ 44	$ 89
Certain Assets of a Tax Preparation and Accounting Business | Customer relationships
Business Acquisition [Line Items]
Weighted average useful life	7 years