EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension Plan, Defined Benefit [Member]
EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Line Items]
Discount rate	3.67%	4.44%	4.89%
Average wage increase	0.11%	0.11%	0.72%
Expected return on assets	7.80%	7.71%	7.72%
Supplemental Benefits [Member]
EMPLOYEE BENEFIT PLANS (Details) - Weighted-average assumptions used in determining the net periodic benefit costs [Line Items]
Discount rate	3.40%	4.30%	4.26%
Average wage increase	4.87%	4.89%	4.89%
Expected return on assets	0.00%	0.00%	0.00%