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Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Schedule of Net Income Per Share |
| Years Ended December 31,
| 2013 |  | 2012 |  | 2011
| (millions)
Numerators for basic and diluted calculations (a): |  |  |  |  |
Net (loss) from continuing operations | $ | (183.6 | ) |  | $ | (1,201.8 | ) |  | $ | (491.8 | )
Net income from discontinued operations | 24.7 |  |  | 1.2 |  |  | 0.7 |
Net (loss) | $ | (158.9 | ) |  | $ | (1,200.6 | ) |  | $ | (491.1 | )
Denominator: |  |  |  |  |  |
Weighted average common shares | 5.0 |  |  | 5.0 |  |  | 4.9 |
Less: Weighted average unvested restricted stock | 0.1 |  |  | 0.1 |  |  | 0.1 |
Denominator for basic calculation | 4.9 |  |  | 4.9 |  |  | 4.8 |
Weighted average effect of dilutive securities: |  |  |  |  |  |
Convertible notes | 1.8 |  |  | 1.8 |  |  | 1.8 |
Convertible preferred stock: |  |  |  |  |  |  |  |
Equivalent common shares (b) | 10.3 |  |  | 4.1 |  |  | 0.8 |
Less: share issuance limitation (c) | 9.4 |  |  | 3.2 |  |  | — |
Net allowable common shares | 0.9 |  |  | 0.9 |  |  | 0.8 |
Subtotal | 2.7 |  |  | 2.7 |  |  | 2.6 |
Less: shares excluded in a period of a net loss or antidilution | 2.7 |  |  | 2.7 |  |  | 2.6 |
Weighted average effect of dilutive securities | — |  |  | — |  |  | — |
Denominator for diluted calculation | 4.9 |  |  | 4.9 |  |  | 4.8 |
Net (loss) per share from continuing operations – basic and diluted | $ | (37.47 | ) |  | $ | (245.26 | ) |  | $ | (102.46 | )
Net income per share from discontinued operations – basic and diluted | $ | 5.04 |  |  | $ | 0.24 |  |  | $ | 0.15 |
Net (loss) per share – basic and diluted | $ | (32.43 | ) |  | $ | (245.02 | ) |  | $ | (102.31 | )
Schedule of Securities Excluded from Net Income Per Share | Options and warrants to purchase shares of common stock having an exercise price greater than the average share market price are excluded from the calculation of diluted net income per share:
| Years Ended December 31, |
| 2013 |  |  | 2012 |  |  | 2011 |
Options excluded from diluted net income per share | 1,000 |  |  |  | 111,000 |  |  |  | 125,000 |  |
Warrants excluded from diluted net income per share | 250,000 |  |  |  | 250,000 |  |  |  | 250,000 |  |
Exercise price of excluded options | $ | 177.50 |  | to |  | $ | 93.00 |  | to |  | $ | 93.00 |  | to
| $ | 357.00 |  |  |  | $ | 357.00 |  |  |  | $ | 357.00 |  |
Exercise price of excluded warrants | $ | 187.50 |  |  |  | $ | 187.50 |  |  |  | $ | 187.50 |  |

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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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- Definition [Table Text Block] for Schedule of Securities Excluded from Net Income Per Share [Table] + References No definition available. + Details
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