GOODWILL AND OTHER INTANGIBLES (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 7,519	$ 7,656	$ 7,908
Amortization expense estimated for 2015	7,500
Amortization expense estimated for 2016	7,344
Amortization expense estimated for 2017	7,218
Amortization expense estimated for 2018	6,742
Amortization expense estimated for 2019	6,742
Amortization expense estimated thereafter	$ 89,902