EMPLOYEE BENEFIT PLANS, DEFINED CONTRIBUTION (Details) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Defined contribution, company match of employee contribution	55.00%
Defined contribution plan, maximum employer contribution by percentage of employee salary	6.00%
Defined contribution plan, cost recognized	$ 1,900,000	$ 1,700,000	$ 1,500,000
Deferred compensation arrangement with individual, employer contribution	$ 193,000	$ 143,000	$ 96,000
NJRHS [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer contribution for employees not qualifying for the defined benefit plan	2.00%
NJRHS [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer contribution for employees not qualifying for the defined benefit plan	3.00%