GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
GOODWILL
Goodwill	$ 71,319	$ 64,778
Accumulated Impairment	(40,394)	(40,394)
Goodwill attributable to fiscal 2016 acquisitions	6,541
Carrying amount of goodwill	30,925	24,384
Intangible assets subject to amortization:
Gross Carrying Amount	38,142	30,078
Accumulated Amortization	(13,491)	(12,511)
Net Carrying Amount	24,651	17,567
Total intangible assets
Gross Carrying Amount	38,142	30,116
Net Carrying Amount	24,651	17,605
Estimated future amortization expense related to intangible assets
2016	2,898
2017	3,506
2018	3,315
2019	2,888
2020	2,799
Thereafter	9,245
Net Carrying Amount	$ 24,651	17,567
Trademarks/tradenames/licenses
Intangible assets subject to amortization:
Weighted-Average Amortization Period
Intangible assets not subject to amortization:
Carrying Amount		38
Trademarks/tradenames/patents
Intangible assets subject to amortization:
Gross Carrying Amount	$ 13,555	12,470
Accumulated Amortization	(2,277)	(1,966)
Net Carrying Amount	$ 11,278	10,504
Weighted-Average Amortization Period	11 years
Estimated future amortization expense related to intangible assets
Net Carrying Amount	$ 11,278	10,504
Customer relationships/ non-compete agreements
Intangible assets subject to amortization:
Gross Carrying Amount	23,815	16,836
Accumulated Amortization	(10,442)	(9,773)
Net Carrying Amount	$ 13,373	7,063
Weighted-Average Amortization Period	7 years
Estimated future amortization expense related to intangible assets
Net Carrying Amount	$ 13,373	7,063
Developed software and technology
Intangible assets subject to amortization:
Gross Carrying Amount	772	772
Accumulated Amortization	$ (772)	$ (772)
Weighted-Average Amortization Period	5 years