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Earnings (Loss) Per Share (Tables) | 9 Months Ended
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Sep. 30, 2012
Earnings (Loss) Per Share [Abstract] |
Computation of Earnings (Loss) per Common Share | Computation of Earnings (Loss) per Common Share
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
(in millions, except per share data) |  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Income from continuing operations |  | $ | 4.4 |  |  | $ | 3.3 |  |  | $ | 17.2 |  |  | $ | 6.6 |
Loss from discontinued operations and disposal, net of tax |  |  | (19.1 | ) |  |  | (0.9 | ) |  |  | (49.4 | ) |  |  | (5.6 | )
Net (loss) income |  | $ | (14.7 | ) |  | $ | 2.4 |  |  | $ | (32.2 | ) |  | $ | 1.0 |
Weighted average shares outstanding — basic |  |  | 62.4 |  |  |  | 62.2 |  |  |  | 62.3 |  |  |  | 62.2 |
Dilutive effect of common stock equivalents |  |  | 0.6 |  |  |  | — |  |  |  | 0.3 |  |  |  | — |
Weighted average shares outstanding — diluted |  |  | 63.0 |  |  |  | 62.2 |  |  |  | 62.6 |  |  |  | 62.2 |
Basic and diluted earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.07 |  |  | $ | 0.05 |  |  | $ | 0.28 |  |  | $ | 0.11 |
Loss from discontinued operations and disposal, net of tax |  |  | (0.31 | ) |  |  | (0.01 | ) |  |  | (0.79 | ) |  |  | (0.09 | )
(Loss) earnings per share |  | $ | (0.24 | ) |  | $ | 0.04 |  |  | $ | (0.51 | ) |  | $ | 0.02 |

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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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