REGULATION (Tables)

6 Months Ended

Mar. 31, 2014

Regulated Operations [Abstract]

Schedule of Regulatory Assets and Liabilities

Regulatory assets and liabilities included on the Unaudited Condensed Consolidated Balance Sheets are comprised of the following:

(Thousands)	March 31, 2014		September 30, 2013
Regulatory assets-current
Conservation Incentive Program	$	—	$	18,887
Underrecovered gas costs	12,991		953
New Jersey Clean Energy Program	5,979		14,532
Total current	$	18,970	$	34,372
Regulatory assets-noncurrent
Environmental remediation costs
Expended, net of recoveries	$	32,661	$	46,968
Liability for future expenditures	183,600		183,600
Deferred income taxes	10,718		10,718
Derivatives at fair value, net	—		19
SAVEGREEN	23,988		30,004
Postemployment and other benefit costs	98,029		101,415
Deferred Superstorm Sandy costs	15,207		14,822
Other	4,116		14,656
Total noncurrent	$	368,319	$	402,202
Regulatory liability-current
Conservation Incentive Program	$	5,964	$	—
Derivatives at fair value, net	14,396		1,456
Total current	$	20,360	$	1,456
Regulatory liabilities-noncurrent
Cost of removal obligation	$	75,327	$	79,315
Other	1,530		332
Total noncurrent	$	76,857	$	79,647