CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
PROPERTY, PLANT AND EQUIPMENT
Utility plant, at cost	$ 1,549,194	$ 1,502,955
Construction Work in Progress	111,612	92,323
Solar equipment, real estate properties and other, at cost	185,466	76,431
Construction in Work Progress	4,428	34,455
Total property, plant and equipment	1,850,700	1,706,164
Accumulated depreciation and amortization	(418,253)	(410,237)
Property, plant and equipment, net	1,432,447	1,295,927
CURRENT ASSETS
Cash and cash equivalents	7,062	7,440
Customer accounts receivable
Billed	171,492	209,266
Unbilled revenues	6,695	7,333
Allowance for doubtful accounts	(4,787)	(4,612)
Regulatory assets	52,940	17,630
Gas in storage, at average cost	215,159	294,475
Materials and supplies, at average cost	8,110	7,395
Prepaid and Accrued taxes	68,300	54,311
Derivatives, at fair value	54,479	100,338
Restricted broker margin accounts	42,915	22,595
Deferred taxes	6,860	1,498
Other	15,580	14,698
Total current assets	644,805	732,367
NONCURRENT ASSETS
Investments in equity investees	157,671	159,063
Regulatory assets	411,528	434,185
Derivatives, at fair value	3,093	6,515
Other	26,363	21,387
Total noncurrent assets	598,655	621,150
Total assets	2,675,907	2,649,444
CAPITALIZATION
Common stock equity	836,086	776,257
Long-term debt	428,064	426,797
Total capitalization	1,264,150	1,203,054
CURRENT LIABILITIES
Current maturities of long-term debt	8,034	7,575
Short-term debt	300,000	159,350
Gas purchases payable	153,518	252,691
Accounts payable and other	71,961	65,960
Dividends payable	15,804	14,912
Deferred and accrued taxes	3,392	778
Regulatory liabilities	0	4,633
New Jersey clean energy program	7,434	15,011
Derivatives, at fair value	51,249	68,698
Customers' credit balances and deposits	38,458	113,776
Total current liabilities	649,850	703,384
NONCURRENT LIABILITIES
Deferred income taxes	369,107	327,782
Deferred investment tax credits	5,985	6,227
Deferred revenue	5,734	7,633
Derivatives, at fair value	3,005	6,341
Manufactured gas plant remediation	182,900	182,900
Postemployment employee benefit liability	95,687	114,305
Regulatory liabilities	66,100	59,837
New Jersey clean energy program	0	5,133
Asset retirement obligation	27,433	27,026
Other	5,956	5,822
Total noncurrent liabilities	761,907	743,006
Commitments and contingent liabilities (Note 11)
Total capitalization and liabilities	$ 2,675,907	$ 2,649,444