SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Summary of Gas in Storage

The following table summarizes gas in storage, at average cost by segment as of:

	June 30, 2018				September 30, 2017
($ in thousands)	Gas in Storage			Bcf	Gas in Storage			Bcf
Energy Services		$	86,889	34.7		$	122,884	53.9
Natural Gas Distribution		49,395		13.8		79,179		21.8
Total		$	136,284	48.5		$	202,063	75.7

Accounts Receivable by Subsidiary

Customer accounts receivable include outstanding billings from the following subsidiaries as of:

(Thousands)	June 30, 2018				September 30, 2017
Energy Services	$	145,373	72	%	$	150,322	77	%
Natural Gas Distribution (1)	48,495		24		37,432		19
Clean Energy Ventures	3,163		2		2,655		1
Home Services and Other Operations	4,073		2		6,058		3
Total	$	201,104	100	%	$	196,467	100	%

(1) Does not include unbilled revenues of $7.1 million and $7.2 million as of June 30, 2018 and September 30, 2017, respectively.

Disposal Groups, Including Discontinued Operations

The major classes of assets and liabilities included within the disposal group as held for sale are as follows:

(Thousands)	March 31, 2018			Assets Sold			Other Adjustments			June 30, 2018
Assets held for sale:
Property, plant and equipment - wind equipment, at cost	$	244,972		$	(20,688	)	$	—		$	224,284
Property, plant and equipment - accumulated depreciation, wind equipment	(21,561		)	3,060			—			(18,501		)
Prepaid and accrued taxes	1,226			(77		)	(295		)	854
Other noncurrent assets	261			—			—			261
	$	224,898		$	(17,705	)	$	(295	)	$	206,898
Liabilities held for sale:
Accounts payable and other	$	—		$	186		$	—		$	186
Asset retirement obligation	4,262			(266		)	—			3,996
	$	4,262		$	(80	)	$	—		$	4,182