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Quarterly Results (Unaudited) (Table) | 12 Months Ended
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Dec. 31, 2012
Quarterly Results (Unaudited) [Abstract] |
Schedule of net income (loss) and earnings (loss) per share |
In thousands, except per share |  | Net sales |  |  | Gross Profit |  |  | Net Income |  |  | Diluted earnings per share |
| 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
First |  | $ | 397,352 |  |  | $ | 396,771 |  |  | $ | 60,970 |  |  | $ | 60,167 |  |  | $ | 18,878 |  |  | $ | 17,426 |  |  | $ | 0.43 |  |  | $ | 0.38 |
Second |  |  | 384,693 |  |  |  | 397,985 |  |  |  | 40,878 |  |  |  | 37,500 |  |  |  | 13,432 |  |  |  | 2,501 |  |  |  | 0.31 |  |  |  | 0.05 |
Third |  |  | 404,354 |  |  |  | 416,493 |  |  |  | 59,192 |  |  |  | 54,916 |  |  |  | 20,099 |  |  |  | 13,026 |  |  |  | 0.46 |  |  |  | 0.28 |
Fourth |  |  | 391,389 |  |  |  | 391,905 |  |  |  | 52,609 |  |  |  | 53,610 |  |  |  | 6,970 |  |  |  | 9,741 |  |  |  | 0.16 |  |  |  | 0.22 |
Income and earnings per share on an after-tax basis |
|  | Early Redemption of Bonds |  |  | Alternative Fuel Mixture/ Cellulosic Biofuel Credits |  |  | Gains (losses) on Sales of Plant Equipment and Timberlands |  |  | Acquitsition Integration Costs |
In thousands |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
First |  | $ | – |  |  | $ | – |  |  | $ | – |  |  | $ | – |  |  | $ | – |  |  | $ | 1,718 |  |  | $ | – |  |  | $ | (275 | )
Second |  |  | – |  |  |  | – |  |  |  | 4,440 |  |  |  | – |  |  |  | 3,696 |  |  |  | (69 | ) |  |  | – |  |  |  | (518 | )
Third |  |  | – |  |  |  | – |  |  |  | 111 |  |  |  | – |  |  |  | 859 |  |  |  | 245 |  |  |  | – |  |  |  | – |
Fourth |  |  | (4,784 | ) |  |  | (6,065 | ) |  |  | (309 | ) |  |  | – |  |  |  | 834 |  |  |  | 2,266 |  |  |  | – |  |  |  | – |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306 + Details
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