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Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 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 March 31,
2012 |  | 2011
Numerator: |  |  |
Loss attributed to LP common shares: |  |  |
Loss from continuing operations | $ | (11.2 | ) |  | $ | (23.0 | )
Loss from discontinued operations | (0.1 | ) |  | — |
Net loss | $ | (11.3 | ) |  | $ | (23.0 | )
Denominator: |  |  |
Basic - weighted average common shares outstanding | 136.6 |  |  | 131.3 |
Dilutive effect of stock warrants | — |  |  | — |
Dilutive effect of stock plans | — |  |  | — |
Diluted shares outstanding | 136.6 |  |  | 131.3 |
Basic earnings per share: |  |  |
Loss from continuing operations | $ | (0.08 | ) |  | $ | (0.18 | )
Loss from discontinued operations | — |  |  | — |
Net loss per share | $ | (0.08 | ) |  | $ | (0.18 | )
Diluted earnings per share: |  |  |
Loss from continuing operations | $ | (0.08 | ) |  | $ | (0.18 | )
Loss from discontinued operations | — |  |  | — |
Net loss per share | $ | (0.08 | ) |  | $ | (0.18 | )

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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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