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REGULATION (Tables)

6 Months Ended

Mar. 31, 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)	March 31, 2016			September 30, 2015
Regulatory assets-current
Conservation Incentive Program	$	3,190		$	—
New Jersey Clean Energy Program	5,586			14,293
Underrecovered gas costs	5,052			—
Derivatives at fair value, net	18,810			9,965
Total current regulatory assets	$	32,638		$	24,258
Regulatory assets-noncurrent
Environmental remediation costs
Expended, net of recoveries	$	16,122		$	18,886
Liability for future expenditures	178,512			180,400
Deferred income taxes	18,956			17,460
Derivatives at fair value, net	12,932			5,153
SAVEGREEN	23,009			26,882
Postemployment and other benefit costs	136,346			140,636
Deferred Superstorm Sandy costs	15,201			15,201
Conservation Incentive Program	28,686			—
Other noncurrent regulatory assets	6,414			5,537
Total noncurrent regulatory assets	$	436,178		$	410,155
Regulatory liability-current
Conservation Incentive Program	$	—		$	5,167
Overrecovered gas costs	—			6,987
Total current regulatory liabilities	$	—		$	12,154
Regulatory liabilities-noncurrent
Cost of removal obligation	$	46,348		$	54,880
New Jersey Clean Energy Program	14,087			11,956
Other noncurrent regulatory liabilities	898			697
Total noncurrent regulatory liabilities	$	61,333		$	67,533

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The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.

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