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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2012
Earnings Per Share [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:
Dollar and share amounts in millions, except per share amounts | Quarter Ended September 30, |  | Nine Months Ended September 30,
2012 |  | 2011 |  | 2012 |  | 2011
Numerator: |  |  |  |  |  |  |
Income (loss) attributed to LP common shares: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 31.4 |  |  | $ | (59.3 | ) |  | $ | (17.0 | ) |  | $ | (115.3 | )
Loss from discontinued operations | (0.1 | ) |  | (6.3 | ) |  | (0.3 | ) |  | (8.8 | )
Net income (loss) | $ | 31.3 |  |  | $ | (65.6 | ) |  | $ | (17.3 | ) |  | $ | (124.1 | )
Denominator: |  |  |  |  |  |  |
Basic - weighted average common shares outstanding | 137.1 |  |  | 134.5 |  |  | 136.9 |  |  | 132.4 |
Dilutive effect of stock warrants | 3.0 |  |  | — |  |  | — |  |  | — |
Dilutive effect of stock plans | 2.5 |  |  | — |  |  | — |  |  | — |
Diluted shares outstanding | 142.6 |  |  | 134.5 |  |  | 136.9 |  |  | 132.4 |
Basic earnings per share: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 0.23 |  |  | $ | (0.44 | ) |  | $ | (0.13 | ) |  | $ | (0.87 | )
Loss from discontinued operations | — |  |  | (0.05 | ) |  | — |  |  | (0.07 | )
Net income (loss) per share | $ | 0.23 |  |  | $ | (0.49 | ) |  | $ | (0.13 | ) |  | $ | (0.94 | )
Diluted earnings per share: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 0.22 |  |  | $ | (0.44 | ) |  | $ | (0.13 | ) |  | $ | (0.87 | )
Loss from discontinued operations | — |  |  | (0.05 | ) |  | — |  |  | (0.07 | )
Net income (loss) per share | $ | 0.22 |  |  | $ | (0.49 | ) |  | $ | (0.13 | ) |  | $ | (0.94 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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