BENEFIT PLANS (Performance-based Restricted Stock) (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded shares of restricted stock	33,143	214,568	399,156
Share-based compensation	$ 1,286,000	$ 2,525,000	$ 3,573,000
Outstanding, beginning of year	34,115
Awarded	30,255
Earned	(34,115)
Forfeited	(4,697)
Outstanding, end of year	25,558	34,115
Performance-based Restrickted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awarded shares of restricted stock	0	36,000	0
Share-based compensation	$ 38,000	$ 0	$ 96,000
Earned Performance-based Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, end of year	6,000	0
Unearned Performance-based Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	136,000
Awarded	0
Earned	(12,000)
Forfeited	(100,000)
Outstanding, end of year	24,000