EMPLOYEE BENEFIT PLANS, Defined Contribution (Details) (USD $)	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution, Company Match of Employee Contribution	50.00%
Defined Contribution Plan, Maximum Employer Contribution by Percentage of Employee Salary	6.00%
Defined Contribution Plan, Cost Recognized	$ 1,700,000	$ 1,500,000	$ 1,400,000
Deferred Compensation Arrangement with Individual, Employer Contribution	$ 143,000	$ 96,000	$ 86,000
Njrhs [Member] \| Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Contribution For Employees Not Qualify 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 Qualify For The Defined Benefit Plan	3.00%

Defined Contribution Plan, Company Match of Employee Contribution

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- 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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- 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 Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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

+ Details

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