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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 6,356 $ 9,777
Restricted cash and equivalents 4,383 3,881
Accounts receivable, net 265,961 255,805
Materials, supplies and fuel 117,400 117,172
Derivative assets, current 1,848 342
Income tax receivable, net 19,446 16,446
Regulatory assets, current 51,676 43,282
Other current assets 26,221 26,479
Total current assets 493,291 473,184
Property, plant and equipment 7,305,530 6,784,679
Less accumulated depreciation and depletion (1,285,816) (1,281,493)
Total property, plant and equipment, net 6,019,714 5,503,186
Other assets:    
Goodwill 1,299,454 1,299,454
Intangible assets, net 11,944 13,266
Regulatory assets, non-current 226,582 228,062
Other assets, non-current 37,801 41,305
Total other assets, non-current 1,575,781 1,582,087
TOTAL ASSETS 8,088,786 7,558,457
Current liabilities:    
Accounts payable 183,340 193,523
Accrued liabilities 243,612 226,767
Derivative liabilities, current 2,044 2,254
Regulatory liabilities, current 25,061 33,507
Notes payable 234,040 349,500
Current maturities of long-term debt 8,436 5,743
Total current liabilities 696,533 811,294
Long-term debt, net of current maturities 3,528,100 3,140,096
Deferred credits and other liabilities:    
Deferred income tax liabilities, net 408,624 360,719
Regulatory liabilities, non-current 507,659 503,145
Benefit plan liabilities 150,556 154,472
Other deferred credits and other liabilities 134,667 124,662
Total deferred credits and other liabilities 1,201,506 1,142,998
Commitments, contingencies and guarantees (Note 3)
Stockholders’ equity -    
Common stock $1.00 par value; 100,000,000 shares authorized; issued: 62,827,179 and 61,480,658, respectively 62,827 61,481
Additional paid-in capital 1,657,285 1,552,788
Retained earnings 870,738 778,776
Treasury stock at cost - 32,492 and 3,956, respectively (2,119) (267)
Accumulated other comprehensive income (loss) (27,346) (30,655)
Total stockholders’ equity 2,561,385 2,362,123
Noncontrolling interest 101,262 101,946
Total equity 2,662,647 2,464,069
TOTAL LIABILITIES AND TOTAL EQUITY $ 8,088,786 $ 7,558,457
Common stock, par value (usd per share) $ 1.00 $ 1.00
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares, issued 62,827,179 61,480,658
Treasury stock, shares 32,492 3,956