REGULATION (Tables)

9 Months Ended

Jun. 30, 2016

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)	June 30, 2016		September 30, 2015
Regulatory assets-current
Conservation Incentive Program	$	3,795	$	—
New Jersey Clean Energy Program	16,507		14,293
Derivatives at fair value, net	4,820		9,965
Total current regulatory assets	$	25,122	$	24,258
Regulatory assets-noncurrent
Environmental remediation costs
Expended, net of recoveries	$	18,543	$	18,886
Liability for future expenditures	175,310		180,400
Deferred income taxes	19,635		17,460
Derivatives at fair value, net	22,632		5,153
SAVEGREEN	24,108		26,882
Postemployment and other benefit costs	134,202		140,636
Deferred Superstorm Sandy costs	15,201		15,201
Conservation Incentive Program	30,018		—
Other noncurrent regulatory assets	7,577		5,537
Total noncurrent regulatory assets	$	447,226	$	410,155
Regulatory liability-current
Conservation Incentive Program	$	—	$	5,167
Overrecovered gas costs	6,572		6,987
Total current regulatory liabilities	$	6,572	$	12,154
Regulatory liabilities-noncurrent
Cost of removal obligation	$	38,179	$	54,880
Derivatives at fair value, net	293		—
New Jersey Clean Energy Program	12,020		11,956
Other noncurrent regulatory liabilities	172		697
Total noncurrent regulatory liabilities	$	50,664	$	67,533