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EMPLOYEE BENEFIT PLANS, DEFINED CONTRIBUTION (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Defined contribution, company match of employee contribution	60.00%
Defined contribution plan, maximum employer contribution by percentage of employee salary	6.00%
Defined contribution plan, cost recognized	$ 2,200,000	$ 1,900,000	$ 1,700,000
Deferred compensation arrangement with individual, employer contribution	$ 374,000	$ 193,000	$ 143,000
NJRHS [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer contribution for employees not qualifying for the defined benefit plan	3.00%
NJRHS [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, employer contribution for employees not qualifying for the defined benefit plan	4.00%

X

- Definition

Defined Contribution Plan, Company Match of Employee Contribution

+ References

No definition available.

+ Details

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X

- Definition

Defined Contribution Plan, Employer Contribution For Employees Not Qualify For The Defined Benefit Plan

+ References

No definition available.

+ Details

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X

- Definition

Defined Contribution Plan, Maximum Employer Contribution by Percentage of Employee Salary

+ References

No definition available.

+ Details

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X

- Definition

The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.

+ References

No definition available.

+ Details

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- Details

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X

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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