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Earnings per Share (Tables) (Tables) | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
Dollar and share amounts in millions, except per share amounts | Quarter Ended June 30, |  | Six Months Ended June 30,
2015 |  | 2014 |  | 2015 |  | 2014
Numerator: |  |  |  |  |  |  |
Income (loss) common shares: |  |  |  |  |  |  |
Net income (loss) | $ | (19.5 | ) |  | $ | 2.1 |  |  | $ | (54.0 | ) |  | $ | (12.1 | )
Denominator: |  |  |  |  |  |  |
Basic - weighted average common shares outstanding | 142.3 |  |  | 140.8 |  |  | 142.1 |  |  | 140.8 |
Dilutive effect of stock warrants | — |  |  | 1.3 |  |  | — |  |  | — |
Dilutive effect of stock plans | — |  |  | 1.9 |  |  | — |  |  | — |
Diluted shares outstanding | 142.3 |  |  | 144.0 |  |  | 142.1 |  |  | 140.8 |
Basic and diluted earnings per share: | $ | (0.14 | ) |  | $ | 0.01 |  |  | $ | (0.38 | ) |  | $ | (0.09 | )

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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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