EMPLOYEE BENEFIT PLANS (Details) - Actual and weighted-average assets allocation for qualified benefit plans	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
EMPLOYEE BENEFIT PLANS (Details) - Actual and weighted-average assets allocation for qualified benefit plans [Line Items]
Defined benefit plan, total actual weighted average plan asset allocations	100.00%	100.00%
Target Plan Asset Allocations	100.00%
Equity securities [Member]
EMPLOYEE BENEFIT PLANS (Details) - Actual and weighted-average assets allocation for qualified benefit plans [Line Items]
Defined benefit plan, total actual weighted average plan asset allocations	52.70%	56.40%
Target Plan Asset Allocations	63.00%
Fixed income [Member]
EMPLOYEE BENEFIT PLANS (Details) - Actual and weighted-average assets allocation for qualified benefit plans [Line Items]
Defined benefit plan, total actual weighted average plan asset allocations	41.00%	38.10%
Target Plan Asset Allocations	37.00%
Other [Member]
EMPLOYEE BENEFIT PLANS (Details) - Actual and weighted-average assets allocation for qualified benefit plans [Line Items]
Defined benefit plan, total actual weighted average plan asset allocations	6.30%	5.50%
Target Plan Asset Allocations	0.00%