REGULATION (Tables)

12 Months Ended

Sep. 30, 2016

Regulated Operations [Abstract]

Schedule of Regulatory Assets

Regulatory assets and liabilities included on the Consolidated Balance Sheets as of September 30, are comprised of the following:

(Thousands)	2016		2015
Regulatory assets-current
Conservation Incentive Program	$	36,957	$	—
New Jersey Clean Energy Program	14,232		14,293
Derivatives at fair value, net	3,097		9,965
Total current regulatory assets	$	54,286	$	24,258
Regulatory assets-noncurrent
Environmental remediation costs:
Expended, net of recoveries	$	19,595	$	18,886
Liability for future expenditures	172,000		180,400
Deferred income taxes	20,273		17,460
Derivatives at fair value, net	23,384		5,153
SAVEGREEN	25,208		26,882
Postemployment and other benefit costs	157,027		140,636
Deferred Superstorm Sandy costs	15,201		15,201
Other noncurrent regulatory assets	8,606		5,537
Total noncurrent regulatory assets	$	441,294	$	410,155
Regulatory liability-current
Conservation Incentive Program	$	—	$	5,167
Overrecovered gas costs	9,469		6,987
Total current regulatory liabilities	$	9,469	$	12,154
Regulatory liabilities-noncurrent
Cost of removal obligation	$	30,549	$	54,880
New Jersey Clean Energy Program	10,657		11,956
Other noncurrent regulatory liabilities	205		697
Total noncurrent regulatory liabilities	$	41,411	$	67,533

Schedule of Regulatory Liabilities

Regulatory assets and liabilities included on the Consolidated Balance Sheets as of September 30, are comprised of the following:

(Thousands)	2016		2015
Regulatory assets-current
Conservation Incentive Program	$	36,957	$	—
New Jersey Clean Energy Program	14,232		14,293
Derivatives at fair value, net	3,097		9,965
Total current regulatory assets	$	54,286	$	24,258
Regulatory assets-noncurrent
Environmental remediation costs:
Expended, net of recoveries	$	19,595	$	18,886
Liability for future expenditures	172,000		180,400
Deferred income taxes	20,273		17,460
Derivatives at fair value, net	23,384		5,153
SAVEGREEN	25,208		26,882
Postemployment and other benefit costs	157,027		140,636
Deferred Superstorm Sandy costs	15,201		15,201
Other noncurrent regulatory assets	8,606		5,537
Total noncurrent regulatory assets	$	441,294	$	410,155
Regulatory liability-current
Conservation Incentive Program	$	—	$	5,167
Overrecovered gas costs	9,469		6,987
Total current regulatory liabilities	$	9,469	$	12,154
Regulatory liabilities-noncurrent
Cost of removal obligation	$	30,549	$	54,880
New Jersey Clean Energy Program	10,657		11,956
Other noncurrent regulatory liabilities	205		697
Total noncurrent regulatory liabilities	$	41,411	$	67,533