EMPLOYEE BENEFIT PLANS (Details) - Schedule of net periodic costs - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Net periodic (benefits) costs:
Service cost	$ 23,000
Defined Benefits [Member]
Net periodic (benefits) costs:
Service cost	0	$ 0	$ 22,000
Interest cost	5,465,000	7,526,000	8,205,000
Expected return on plan assets	(10,934,000)	(11,728,000)	(11,309,000)
Amortization of:
Prior service costs	1,000	1,000	1,000
Actuarial loss	1,131,000	1,008,000	885,000
Total net periodic (benefits) costs	(4,337,000)	(3,193,000)	(2,196,000)
Supplemental Employee Retirement Plan [Member]
Net periodic (benefits) costs:
Service cost	0	0	0
Interest cost	1,243,000	1,302,000	1,497,000
Expected return on plan assets	0	0	0
Recognition of settlement			0
Amortization of:
Prior service costs	19,000	16,000	14,000
Actuarial loss	1,224,000	1,157,000	1,034,000
Total net periodic (benefits) costs	$ 2,486,000	$ 2,475,000	$ 2,545,000