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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2012
Earnings Per Share [Abstract] |
Number of shares used to compute basic and diluted earnings per share |
|  | Three Months ended June 30, 2012 |  | Three Months ended June 30, 2011 |
|  |  |  | Weighted |  | Per |  |  |  | Weighted |  | Per |
|  |  |  | Average |  | Common |  |  |  | Average |  | Common |
|  | Net |  | Common |  | Share |  | Net |  | Common |  | Share |
|  | Income |  | Shares |  | Amount |  | Income |  | Shares |  | Amount |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 15.3 |  | 42.3 |  | $ | 0.36 |  | $ | 17.7 |  | 41.7 |  | $ | 0.42 |
(Loss) income from discontinued operations |  | (7.5 | ) | 42.3 |  | (0.18 | ) | 1.0 |  | 41.7 |  | 0.03 |
|  | 7.8 |  |  |  | $ | 0.18 |  | 18.7 |  |  |  | $ | 0.45 |
Effect of Dilutive Securities |  |  |  | 0.5 |  |  |  |  |  | 0.5 |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | 15.3 |  | 42.8 |  | 0.36 |  | 17.7 |  | 42.2 |  | 0.42 |
(Loss) income from discontinued operations |  | (7.5 | ) | 42.8 |  | (0.18 | ) | 1.0 |  | 42.2 |  | 0.02 |
|  | $ | 7.8 |  |  |  | $ | 0.18 |  | $ | 18.7 |  |  |  | $ | 0.44 |
|  | Six Months ended June 30, 2012 |  | Six Months ended June 30, 2011 |
|  |  |  | Weighted |  | Per |  |  |  | Weighted |  | Per |
|  |  |  | Average |  | Common |  |  |  | Average |  | Common |
|  | Net |  | Common |  | Share |  | Net |  | Common |  | Share |
|  | Income |  | Shares |  | Amount |  | Income |  | Shares |  | Amount |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 17.3 |  | 42.1 |  | $ | 0.41 |  | $ | 20.7 |  | 41.6 |  | $ | 0.50 |
(Loss) income from discontinued operations |  | (6.1 | ) | 42.1 |  | (0.14 | ) | 3.2 |  | 41.6 |  | 0.07 |
|  | 11.2 |  |  |  | $ | 0.27 |  | 23.9 |  |  |  | $ | 0.57 |
Effect of Dilutive Securities |  |  |  | 0.4 |  |  |  |  |  | 0.4 |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | 17.3 |  | 42.5 |  | 0.41 |  | 20.7 |  | 42.0 |  | 0.50 |
(Loss) income from discontinued operations |  | (6.1 | ) | 42.5 |  | (0.15 | ) | 3.2 |  | 42.0 |  | 0.07 |
|  | $ | 11.2 |  |  |  | $ | 0.26 |  | $ | 23.9 |  |  |  | $ | 0.57 |

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- Details
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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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