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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per share:
| Year ended December 31,
Dollar and share amounts in millions, except per share amounts | 2014 |  | 2013 |  | 2012
Numerator: |  |  |  |  |
Income (loss) attributed to LP common shares: |  |  |  |  |
Income (loss) from continuing operations | $ | (73.4 | ) |  | $ | 177.4 |  |  | $ | 29.5 |
Loss from discontinued operations | (2.0 | ) |  | (0.3 | ) |  | (0.7 | )
Net income (loss) | $ | (75.4 | ) |  | $ | 177.1 |  |  | $ | 28.8 |
Denominator: |  |  |  |  |
Basic—weighted average common shares outstanding | 141.1 |  |  | 139.6 |  |  | 137.1 |
Dilutive effect of employee stock plans | — |  |  | 2.5 |  |  | 2.3 |
Dilutive effect of stock warrants | — |  |  | 2.2 |  |  | 3.2 |
Diluted shares outstanding | 141.1 |  |  | 144.3 |  |  | 142.6 |
Basic earnings per share: |  |  |  |  |
Income (loss) from continuing operations | $ | (0.52 | ) |  | $ | 1.27 |  |  | $ | 0.22 |
Loss from discontinued operations | (0.01 | ) |  | — |  |  | (0.01 | )
Net income (loss) per share | $ | (0.53 | ) |  | $ | 1.27 |  |  | $ | 0.21 |
Diluted earnings per share: |  |  |  |  |
Income (loss) from continuing operations | $ | (0.52 | ) |  | $ | 1.23 |  |  | $ | 0.20 |
Loss from discontinued operations | (0.01 | ) |  | — |  |  | — |
Net income (loss) per share | $ | (0.53 | ) |  | $ | 1.23 |  |  | $ | 0.20 |
Disclosure of Long Lived Assets Held-for-sale [Table Text Block] | The current book values of assets held for sale by category is as follows:
Dollar amounts in millions | December 31,
2014 |  | 2013
Property, plant and equipment, at cost: |  |  |
Land, land improvements and logging roads, net of road amortization | $ | 4.5 |  |  | $ | 6.9 |
Buildings | 2.9 |  |  | 6.2 |
Machinery and equipment | 52.0 |  |  | 99.1 |
| 59.4 |  |  | 112.2 |
Accumulated depreciation | (50.1 | ) |  | (95.9 | )
Net property, plant and equipment | $ | 9.3 |  |  | $ | 16.3 |

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- Definition Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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