BENEFIT PLANS (Deferred Stock and Deferred Compensation Plans) (Details) (USD $)	12 Months Ended							12 Months Ended
	Sep. 30, 2012 benefit_plans	Sep. 30, 2012 Deferred Stock Units [Member] 1997 Director Plan [Member]	Sep. 30, 2011 Deferred Stock Units [Member] 1997 Director Plan [Member]	Sep. 30, 2012 Deferred Stock Units [Member] 2002 Director Plan [Member]	Apr. 29, 2012 Deferred Stock Units [Member] 2002 Director Plan [Member]	Sep. 30, 2012 Deferred Stock Units [Member] 2012 Director Plan [Member]	Sep. 30, 2012 Deferred Stock Units [Member] 2012 Director Plan [Member] Maximum [Member]	Sep. 30, 2012 Director Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of non-employee directors plans	3
Share-based Compensation Arrangement Number of Shares per Unit Granted	1
Authorized units		173,450			173,450		200,000
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding, beginning of year				130,956		9,654		238,737
Granted								30,255
Issued								(19,612)
Forfeited								(4,697)
Outstanding, end of year				130,956		9,654		244,683
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Grant Date Fair Value [Roll Forward]
Balance, beginning of year								$ 6.56
Granted								$ 5.95
Issued								$ (6.88)
Forfeited								$ (4.79)
Balance, beginning of year								$ 6.38
Vested units	219,125	104,070	104,070	115,052		0
Vested units, weighted average grant date fair value	$ 6.41
Available for grant	190,346