GOODWILL AND INTANGIBLE ASSETS (Carrying Amounts of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Sep. 30, 2016
Intangible assets subject to amortization:
Gross Carrying Amount	$ 38,535	$ 38,543
Accumulated Amortization	(17,180)	(16,266)
Net Carrying Amount	21,355	22,277
Trademarks/tradenames/licenses
Intangible assets subject to amortization:
Gross Carrying Amount	13,896	13,904
Accumulated Amortization	(3,438)	(3,137)
Net Carrying Amount	$ 10,458	10,767
Weighted- Average Amortization Period (Years)	11 years
Customer relationships/non-compete agreements
Intangible assets subject to amortization:
Gross Carrying Amount	$ 23,867	23,867
Accumulated Amortization	(12,970)	(12,357)
Net Carrying Amount	$ 10,897	11,510
Weighted- Average Amortization Period (Years)	7 years
Developed software and technology
Intangible assets subject to amortization:
Gross Carrying Amount	$ 772	772
Accumulated Amortization	(772)	(772)
Net Carrying Amount	$ 0	$ 0
Weighted- Average Amortization Period (Years)	5 years