BENEFIT PLANS (Reconciliation of SERP Benefit Obligation and Fair Value of Plan Assets, Comprised Entirely of Equity Securities and Funded Status of Companys SERP Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Compensation and Retirement Disclosure [Abstract]
Projected benefit obligation, beginning of year	$ 8,216	$ 7,626
Interest costs	325	366
Actuarial loss	847	1,062
Benefit payments	(838)	(838)
Projected benefit obligation, end of year	8,550	8,216
Fair value of plan assets, beginning of year	1,167	1,106
Actual gain on plan assets	407	61
Fair value of plan assets, end of year	1,574	1,167
Unfunded status	(6,976)	(7,049)
Unrecognized net actuarial loss	5,373	5,241
Net accrued cost	(1,603)	(1,808)
Accrued benefit liabilities	(6,976)	(7,049)
Accumulated other comprehensive loss	3,044	2,970	2,507
Deferred tax assets	2,329	2,271
Net liability recognized	(1,603)	(1,808)
Estimated net loss for the plan	$ 399