DEBT (Tables)

9 Months Ended

Jun. 30, 2011

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Text Block]

A summary of NJR's and NJNG's long-term debt are as follows:

(Thousands)	June 30, 2011		September 30, 2010
NJR	$	50,000	$	50,000
NJNG (1)	329,845		349,845
Total	$	379,845	$	399,845

(1) Long-term debt excludes lease obligations of $60.6 million and $60.3 million at June 30, 2011 and September 30, 2010, respectively.

Schedule of Line of Credit Facilities [Table Text Block]

A summary of NJR's and NJNG's debt shelf and credit facilities are as follows:

(Thousands)	June 30, 2011			September 30, 2010
NJR
Debt shelf facilities (1)	$	175,000		$	—
Bank credit facilities(2)	$	325,000		$	325,000
Amount outstanding at end of period
Notes payable to banks	$	138,000		$	140,600
Weighted average interest rate at end of period
Notes payable to banks	0.51		%	0.64		%
NJNG
Bank credit facilities (2)	$	200,000		$	200,000
Amount outstanding at end of period
Commercial paper	$	—		$	7,000
Weighted average interest rate at end of period
Commercial paper	—		%	0.26		%

(1) Uncommitted, long-term debt shelf facilities, which require no commitment fees on the unused amounts.

(2) Committed credit facilities, which require commitment fees on the unu