GOODWILL AND OTHER INTANGIBLES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 7,908	$ 7,837	$ 8,048
Amortization expense estimated for 2015	7,979
Amortization expense estimated for 2016	7,867
Amortization expense estimated for 2017	7,788
Amortization expense estimated for 2018	7,717
Amortization expense estimated for 2019	7,576
Amortization expense estimated thereafter	$ 109,261