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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 132,708 | $ 186,811
Restricted cash | 238 | 365
Short-term investments | 25,000 | 14,500
Accounts receivable, net | 85,343 | 88,074
Inventories: |  |
Finished goods | 25,440 | 28,218
Work in progress | 2,505 | 2,763
Raw materials | 26,109 | 25,605
Total inventories | 54,054 | 56,586
Supplies, prepaid items and other: |  |
Prepaid insurance | 6,305 | 13,752
Precious metals | 14,116 | 12,838
Supplies | 16,827 | 15,927
Prepaid and refundable income taxes | 2,972 | 7,387
Other | 6,555 | 5,438
Total supplies, prepaid items and other | 46,775 | 55,342
Deferred income taxes | 15,998 | 17,204
Total current assets | 360,116 | 418,882
Property, plant and equipment, net | 787,465 | 619,205
Other assets: |  |
Noncurrent restricted cash and cash equivalents |  | 45,969
Noncurrent restricted investments |  | 25,000
Other, net | 30,598 | 27,949
Total other assets | 30,598 | 98,918
Total assets | 1,178,179 | 1,137,005
Current liabilities: |  |
Accounts payable | 106,317 | 81,456
Short-term financing | 4,805 | 11,955
Accrued and other liabilities | 49,195 | 51,166
Current portion of long-term debt | 24,095 | 10,680
Total current liabilities | 184,412 | 155,257
Long-term debt | 446,091 | 446,638
Noncurrent accrued and other liabilities | 18,432 | 17,934
Deferred income taxes | $ 85,391 | $ 83,128
Commitments and contingencies (Note 9) |  |
Stockholders' equity: |  |
Common stock, $.10 par value; 75,000,000 shares authorized, 27,109,544 shares issued (26,968,212 shares at December 31, 2014) | $ 2,711 | $ 2,697
Capital in excess of par value | 173,562 | 170,537
Retained earnings | 292,954 | 286,188
Stockholders equity including treasury stock | 472,227 | 462,422
Less treasury stock, at cost: |  |
Common stock, 4,320,462 shares | 28,374 | 28,374
Total stockholders' equity | 443,853 | 434,048
Total Liabilities and Stockholders' equity | 1,178,179 | 1,137,005
Series B Preferred Stock [Member] |  |
Stockholders' equity: |  |
Preferred stock, value | 2,000 | 2,000
Series D Preferred Stock [Member] |  |
Stockholders' equity: |  |
Preferred stock, value | $ 1,000 | $ 1,000

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