CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
ASSETS
Property, plant and equipment	$ 13,272,148	$ 12,567,373
Less accumulated depreciation and amortization	2,300,414	2,196,226
Net property, plant and equipment	10,971,734	10,371,147
Current assets
Cash and cash equivalents	108,353	13,771
Accounts receivable, net	419,612	253,295
Gas stored underground	78,148	165,732
Other current assets	65,068	46,055
Total current assets	671,181	478,853
Goodwill	730,419	730,419
Deferred charges and other assets	301,616	294,018
Total assets	12,674,950	11,874,437
Shareholders’ equity
Common stock, no par value (stated at $0.005 per share)	585	556
Additional paid-in capital	3,485,794	2,974,926
Accumulated other comprehensive loss	(116,810)	(83,647)
Retained earnings	2,138,532	1,878,116
Shareholders’ equity	5,508,101	4,769,951
Long-term debt	3,528,713	2,493,665
Total capitalization	9,036,814	7,263,616
Current liabilities
Accounts payable and accrued liabilities	244,042	217,283
Other current liabilities	495,097	547,068
Short-term debt	0	575,780
Current maturities of long-term debt	125,000	575,000
Total current liabilities	864,139	1,915,131
Deferred income taxes	1,251,836	1,154,067
Regulatory excess deferred taxes (See Note 13)	712,681	739,670
Regulatory Cost Of Removal Liability Noncurrent	462,249	466,405
Pension and postretirement liabilities	176,593	177,520
Deferred credits and other liabilities	170,638	158,028
Total shareholders' equity and liabilities	$ 12,674,950	$ 11,874,437