Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash, cash equivalents and restricted cash	$ 76,975	$ 70,428
Receivables, net	942,782	1,064,340
Inventories	87,392	64,248
Current regulatory assets	172,492	165,092
Prepayments and other current assets	84,082	55,123
Current assets of discontinued operations	0	592,517
Total current assets	1,363,723	2,011,748
Noncurrent assets:
Property, plant and equipment	7,341,116	6,874,629
Less accumulated depreciation and amortization	2,220,206	2,098,298
Net property, plant and equipment	5,120,910	4,776,331
Goodwill	488,960	488,960
Other intangible assets, net	2,004	4,102
Regulatory assets	447,099	329,659
Investments	124,235	128,827
Operating lease right-of-use assets	74,363	73,502
Other	211,865	161,901
Noncurrent assets of discontinued operations	0	1,685,751
Total noncurrent assets	6,469,436	7,649,033
Total assets	7,833,159	9,660,781
Current liabilities:
Short-term borrowings	95,000	38,500
Long-term debt due within one year	61,319	47,819
Accounts payable	475,215	525,560
Taxes payable	58,110	62,308
Dividends payable	25,461	45,245
Accrued compensation	85,512	59,470
Operating lease liabilities due within one year	22,884	21,307
Regulatory liabilities due within one year	70,761	26,440
Other accrued liabilities	181,471	156,031
Current liabilities of discontinued operations	0	496,923
Total current liabilities	1,075,733	1,479,603
Noncurrent liabilities:
Long-term debt	2,236,904	2,317,848
Deferred income taxes	458,548	455,499
Asset retirement obligations	384,371	372,870
Regulatory liabilities	521,050	448,454
Operating lease liabilities	51,645	52,871
Other	199,675	180,603
Noncurrent liabilities of discontinued operations	0	765,904
Total noncurrent liabilities	3,852,193	4,594,049
Commitments and contingencies
Stockholders' equity:
Common stock Authorized - 500,000,000 shares, $1.00 par value Shares issued - 203,689,090 at December 31, 2023 and 204,162,814 at December 31, 2022	203,689	204,163
Other paid-in capital	1,466,235	1,466,037
Retained earnings	1,253,693	1,951,138
Accumulated other comprehensive loss	(18,384)	(30,583)
Treasury stock at cost - 538,921 shares at December 31, 2022	0	(3,626)
Total stockholders' equity	2,905,233	3,587,129
Total liabilities and stockholders' equity	$ 7,833,159	$ 9,660,781