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Earnings (Loss) per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Basic and diluted earnings per common share | Basic and diluted earnings per common share for the years ended December 31, 2012, 2011 and 2010 were calculated as follows:
(in millions, except per share data) | 2012 |  | 2011 |  | 2010
Net earnings (loss) from continuing operations | $ | 147.4 |  |  | $ | 90.6 |  |  | $ | (64.0 | )
Net earnings (loss) from discontinued operations, net of tax | (97.4 | ) |  | (18.7 | ) |  | (46.6 | )
Net earnings (loss) | $ | 50.0 |  |  | $ | 71.9 |  |  | $ | (110.6 | )
Weighted average outstanding shares – basic | 89.8 |  |  | 89.3 |  |  | 88.7 |
Dilutive effect of common stock equivalents | 2.6 |  |  | 2.9 |  |  | — |
Weighted average outstanding shares – diluted | 92.4 |  |  | 92.2 |  |  | 88.7 |
Basic earnings (loss) per common share: |  |  |  |  |
Continuing operations | $ | 1.64 |  |  | $ | 1.02 |  |  | $ | (0.72 | )
Discontinued operations | (1.08 | ) |  | (0.21 | ) |  | (0.53 | )
Net earnings (loss) | $ | 0.56 |  |  | $ | 0.81 |  |  | $ | (1.25 | )
Diluted earnings (loss) per common share: |  |  |  |  |
Continuing operations | $ | 1.59 |  |  | $ | 0.98 |  |  | $ | (0.72 | )
Discontinued operations | (1.05 | ) |  | (0.20 | ) |  | (0.53 | )
Net earnings (loss) | $ | 0.54 |  |  | $ | 0.78 |  |  | $ | (1.25 | )

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