| | | | | | 279,332.0 | 255,583.0 | 178,574.0 | 276,692.0 | 398,675.0 | 364,115.0 |
| | | | | | 1,728.0 | 3,914.0 | 1,210.0 | 2,289.0 | 3,542.0 | 3,862.0 |
| | | | | | 281,060.0 | 259,497.0 | 179,784.0 | 278,981.0 | 402,217.0 | 367,977.0 |
| | | | | | 18.5% | -7.7% | -30.7% | 55.2% | 44.2% | 3.7% |
Cost of Goods Sold, Total | | | | | | 190,752.0 | 178,431.0 | 122,627.0 | 188,936.0 | 268,502.0 | 241,471.0 |
| | | | | | 90,308.0 | 81,066.0 | 57,157.0 | 90,045.0 | 133,715.0 | 126,506.0 |
Selling General & Admin Expenses, Total | | | | | | 12,300.0 | 12,168.0 | 10,431.0 | 9,849.0 | 10,107.0 | 10,110.0 |
Exploration / Drilling Costs, Total | | | | | | 1,466.0 | 1,269.0 | 1,285.0 | 1,054.0 | 1,025.0 | 840.0 |
Depreciation & Amortization | | | | | | 18,045.0 | 18,898.0 | 20,998.0 | 19,407.0 | 19,540.0 | 17,667.0 |
| | | | | | 35,230.0 | 33,186.0 | 28,425.0 | 32,955.0 | 31,455.0 | 31,817.0 |
Other Operating Expenses, Total | | | | | | 67,041.0 | 65,521.0 | 61,139.0 | 63,265.0 | 62,127.0 | 60,434.0 |
| | | | | | 23,267.0 | 15,545.0 | -3,982.0 | 26,780.0 | 71,588.0 | 66,072.0 |
| | | | | | -766.0 | -830.0 | -1,158.0 | -947.0 | -798.0 | -824.0 |
| | | | | | -766.0 | -830.0 | -1,158.0 | -947.0 | -798.0 | -824.0 |
Income (Loss) On Equity Invest. | | | | | | 7,355.0 | 5,441.0 | 1,732.0 | 6,657.0 | 11,463.0 | 9,000.0 |
Currency Exchange Gains (Loss) | | | | | | -196.0 | — | -14.0 | 2.0 | — | — |
Other Non Operating Income (Expenses) | | | | | | — | — | — | — | — | — |
| | | | | | 29,660.0 | 20,156.0 | -3,422.0 | 32,492.0 | 82,253.0 | 74,248.0 |
| | | | | | — | — | -450.0 | -58.0 | — | — |
| | | | | | — | — | -611.0 | — | — | — |
Gain (Loss) On Sale Of Investments | | | | | | — | — | — | — | — | — |
Gain (Loss) On Sale Of Assets | | | | | | 1,993.0 | — | — | — | — | — |
| | | | | | -700.0 | -100.0 | -24,400.0 | -1,200.0 | -4,500.0 | -1,525.0 |
| | | | | | 30,953.0 | 20,056.0 | -28,883.0 | 31,234.0 | 77,753.0 | 72,723.0 |
| | | | | | 9,532.0 | 5,282.0 | -5,632.0 | 7,636.0 | 20,176.0 | 19,474.0 |
Earnings From Continuing Operations | | | | | | 21,421.0 | 14,774.0 | -23,251.0 | 23,598.0 | 57,577.0 | 53,249.0 |
| | | | | | -581.0 | -434.0 | 811.0 | -558.0 | -1,837.0 | -1,529.0 |
| | | | | | 20,840.0 | 14,340.0 | -22,440.0 | 23,040.0 | 55,740.0 | 51,720.0 |
Net Income to Common Incl Extra Items | | | | | | 20,840.0 | 14,340.0 | -22,440.0 | 23,040.0 | 55,740.0 | 51,720.0 |
Net Income to Common Excl. Extra Items | | | | | | 20,840.0 | 14,340.0 | -22,440.0 | 23,040.0 | 55,740.0 | 51,720.0 |
| | | | | | 4,237.0 | 4,234.0 | 4,233.0 | 4,239.0 | 4,082.0 | 4,003.2 |
Weighted Avg. Shares Outstanding | | | | | | 4,270.0 | 4,270.0 | 4,271.0 | 4,275.0 | 4,205.0 | 4,123.0 |
Weighted Avg. Shares Outstanding Dil | | | | | | 4,270.0 | 4,270.0 | 4,271.0 | 4,275.0 | 4,205.0 | 4,123.0 |
| | | | | | 4.9 | 3.4 | -5.3 | 5.4 | 13.3 | 12.5 |
| | | | | | 4.9 | 3.4 | -5.3 | 5.4 | 13.3 | 12.5 |
| | | | | | 41,312.0 | 34,443.0 | 17,016.0 | 46,187.0 | 91,128.0 | 83,739.0 |