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Discontinued Operations (Tables) | 9 Months Ended
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Sep. 30, 2019
Discontinued Operations And Disposal Groups [Abstract] |
Summary of Discontinued Operations Included in Condensed Consolidated Statements of Income (Loss) | The following table sets forth a summary of discontinued operations included in the condensed consolidated statements of income:
|  | Three months ended September 30 |  |  | Nine months ended September 30 |
In thousands |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Net sales |  | $ | — |  |  | $ | 201,288 |  |  | $ | — |  |  | $ | 590,757 |
Energy and related sales, net |  |  | — |  |  |  | 844 |  |  |  | — |  |  |  | 3,217 |
Total revenues |  |  | — |  |  |  | 202,132 |  |  |  | — |  |  |  | 593,974 |
Costs of products sold |  |  | — |  |  |  | 181,628 |  |  |  | — |  |  |  | 572,820 |
Gross profit |  |  | — |  |  |  | 20,504 |  |  |  | — |  |  |  | 21,154 |
Selling, general and administrative expenses |  |  | (2,455 | ) |  |  | 6,058 |  |  |  | (2,684 | ) |  |  | 18,566 |
Gains on dispositions of plant, equipment and timberlands, net |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | (440 | )
Operating income |  |  | 2,455 |  |  |  | 14,443 |  |  |  | 2,684 |  |  |  | 3,028 |
Non-operating income (expense) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  | — |  |  |  | (2,281 | ) |  |  | — |  |  |  | (6,017 | )
Other, net |  |  | (1,393 | ) |  |  | (1,174 | ) |  |  | (1,393 | ) |  |  | (81 | )
Impairment charge |  |  | — |  |  |  | (125,644 | ) |  |  | — |  |  |  | (125,644 | )
Income (loss) before income taxes |  |  | 1,062 |  |  |  | (114,656 | ) |  |  | 1,291 |  |  |  | (128,714 | )
Income tax benefit |  |  | (2,519 | ) |  |  | (19,530 | ) |  |  | (2,511 | ) |  |  | (28,361 | )
Income (loss) from discontinued operations |  | $ | 3,581 |  |  | $ | (95,126 | ) |  | $ | 3,802 |  |  | $ | (100,353 | )
Summary of Cash Flows from Discontinued Operations Included in Condensed Consolidated Statements of Cash Flows | The following table sets forth a summary of cash flows from discontinued operations which is included in the condensed consolidated statements of cash flows:
|  | Nine months ended September 30 |
In thousands |  | 2019 |  |  | 2018 |
Net cash provided (used) by operating activities |  | $ | (9,749 | ) |  | $ | 33,721 |
Net cash used by investing activities |  |  | (8,221 | ) |  |  | (14,018 | )
Net cash provided by financing activities |  |  | — |  |  |  | 125 |
Change in cash and cash equivalents from discontinued operations |  | $ | (17,970 | ) |  | $ | 19,828 |

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