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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 20,206 | $ 55,432
Accounts and other receivables – net | 149,099 | 196,003
Inventories – net | 115,026 | 129,208
Other current assets | 3,900 | 7,130
Total current assets | 288,231 | 387,773
Property, plant and equipment – net | 639,728 | 612,612
Goodwill | 15,005 | 15,005
Other assets | 37,312 | 34,884
Total assets | 980,276 | 1,050,274
Current liabilities: |  |
Accounts payable | 209,239 | 227,712
Accrued liabilities | 26,310 | 35,013
Deferred income and customer advances | 2,295 | 17,194
Line of credit – short-term | 9,400 | 0
Current portion of long-term debt | 0 | 16,875
Total current liabilities | 247,244 | 296,794
Deferred income taxes | 101,092 | 92,276
Line of credit – long-term | 190,600 | 0
Long-term debt | 0 | 248,339
Postretirement benefit obligations | 28,145 | 33,396
Other liabilities | 4,350 | 3,144
Total liabilities | 571,431 | 673,949
COMMITMENTS AND CONTINGENCIES (Note 9) |  |
STOCKHOLDERS' EQUITY |  |
Common stock, par value $0.01; 200,000,000 shares authorized; 30,555,715 shares issued and 29,991,468 outstanding at September 30, 2018; 30,482,966 shares issued and outstanding at December 31, 2017 | 306 | 305
Preferred stock, par value $0.01; 50,000,000 shares authorized and 0 shares issued and outstanding at September 30, 2018 and December 31, 2017 | 0 | 0
Treasury stock at par (564,247 shares at September 30, 2018; 0 shares at December 31, 2017) | (6) | 0
Additional paid-in capital | 250,149 | 263,081
Retained earnings | 167,058 | 121,985
Accumulated other comprehensive loss | (8,662) | (9,046)
Total stockholders' equity | 408,845 | 376,325
Total liabilities and stockholders' equity | $ 980,276 | $ 1,050,274

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