CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Sep. 30, 2011
PROPERTY, PLANT AND EQUIPMENT
Utility plant, at cost	$ 1,612,633	$ 1,595,278
Real estate properties, solar and other, at cost	173,186	110,886
Total property, plant and equipment	1,785,819	1,706,164
Accumulated depreciation and amortization	(414,639)	(410,237)
Property, plant and equipment, net	1,371,180	1,295,927
CURRENT ASSETS
Cash and cash equivalents	7,806	7,440
Customer accounts receivable
Billed	256,461	209,266
Unbilled revenues	33,335	7,333
Allowance for doubtful accounts	(4,614)	(4,612)
Regulatory assets	28,194	17,630
Gas in storage, at average cost	292,127	294,475
Materials and supplies, at average cost	7,935	7,395
Prepaid taxes	60,256	54,311
Derivatives, at fair value	119,626	100,338
Restricted broker margin accounts	50,929	22,595
Deferred taxes	0	1,498
Other	18,763	14,698
Total current assets	870,818	732,367
NONCURRENT ASSETS
Investments in equity investees	157,277	159,063
Regulatory assets	423,216	434,185
Derivatives, at fair value	7,364	6,515
Other	22,779	21,387
Total noncurrent assets	610,636	621,150
Total assets	2,852,634	2,649,444
CAPITALIZATION
Common stock equity	820,512	776,257
Long-term debt	431,550	426,797
Total capitalization	1,252,062	1,203,054
CURRENT LIABILITIES
Current maturities of long-term debt	8,182	7,575
Short-term debt	316,600	159,350
Gas purchases payable	225,963	252,691
Accounts payable and other	70,900	65,960
Dividends payable	15,744	14,912
Deferred and accrued taxes	5,505	778
Regulatory liabilities	31,077	4,633
New Jersey clean energy program	15,301	15,011
Derivatives, at fair value	79,313	68,698
Restricted broker margin accounts	31,802	0
Customers' credit balances and deposits	41,151	113,776
Total current liabilities	841,538	703,384
NONCURRENT LIABILITIES
Deferred income taxes	364,089	327,782
Deferred investment tax credits	6,146	6,227
Deferred revenue	6,165	7,633
Derivatives, at fair value	7,496	6,341
Manufactured gas plant remediation	182,900	182,900
Postemployment employee benefit liability	94,740	114,305
Regulatory liabilities	61,105	59,837
New Jersey clean energy program	3,498	5,133
Asset retirement obligation	27,125	27,026
Other	5,770	5,822
Total noncurrent liabilities	759,034	743,006
Commitments and contingent liabilities (Note 13)
Total capitalization and liabilities	$ 2,852,634	$ 2,649,444