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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2014
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,
2014 |  | 2013 |  | 2014 |  | 2013
Numerator: |  |  |  |  |  |  |
Income (loss) common shares: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | (18.3 | ) |  | $ | 37.5 |  |  | $ | (30.4 | ) |  | $ | 196.5 |
Income (loss) from discontinued operations | (2.1 | ) |  | 0.6 |  |  | (2.1 | ) |  | 1.0 |
Net income (loss) | $ | (20.4 | ) |  | $ | 38.1 |  |  | $ | (32.5 | ) |  | $ | 197.5 |
Denominator: |  |  |  |  |  |  |
Basic - weighted average common shares outstanding | 140.8 |  |  | 140.0 |  |  | 140.9 |  |  | 139.1 |
Dilutive effect of stock warrants | — |  |  | 1.8 |  |  | — |  |  | 2.5 |
Dilutive effect of stock plans | — |  |  | 2.2 |  |  | — |  |  | 2.5 |
Diluted shares outstanding | 140.8 |  |  | 144.0 |  |  | 140.9 |  |  | 144.1 |
Basic earnings per share: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | (0.13 | ) |  | $ | 0.27 |  |  | $ | (0.22 | ) |  | $ | 1.41 |
Income (loss) from discontinued operations | (0.01 | ) |  | — |  |  | (0.01 | ) |  | 0.01 |
Net income (loss) per share | $ | (0.14 | ) |  | $ | 0.27 |  |  | $ | (0.23 | ) |  | $ | 1.42 |
Diluted earnings per share: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | (0.13 | ) |  | $ | 0.26 |  |  | $ | (0.22 | ) |  | $ | 1.36 |
Income (loss) from discontinued operations | (0.01 | ) |  | — |  |  | (0.01 | ) |  | 0.01 |
Net income (loss) per share | $ | (0.14 | ) |  | $ | 0.26 |  |  | $ | (0.23 | ) |  | $ | 1.37 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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