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Net Income Per Share (Schedule of Income Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Earnings Per Share [Abstract] |  |  |  |
Net income (loss) | $ 418.9 | $ (44.3) | $ 340.1 | $ (87.2)
Net (loss) from continuing operations - if converted | 418.9 | (44.3) | 340.1 | (108.9)
Net income from discontinued operations - if converted | 0 | 0 | 0 | 21.7
Net (loss) - if converted | 421.9 | (44.3) | 349.1 | (87.2)
Weighted average common shares | 5.0 | 5.0 | 5.0 | 5.0
Less: Weighted average unvested restricted stock | 0.1 | 0.1 | 0.1 | 0.1
Denominator for basic calculation | 4.9 | 4.9 | 4.9 | 4.9
Convertible notes | 1.8 | 1.8 | 1.8 | 1.8
Convertible preferred stock - equivalent common shares | 35.8 | 13.7 | 27.2 | 10.5
Convertible preferred stock - less: share issuance limitation | 34.9 | 12.8 | 26.3 | 9.6
Convertible preferred stock - net allowable shares | 0.9 | 0.9 | 0.9 | 0.9
Subtotal | 2.7 | 2.7 | 2.7 | 2.7
Less: shares excluded in a period of net loss or antidilution | 0 | 2.7 | 0 | 2.7
Denominator for diluted calculation | 7.6 | 4.9 | 7.6 | 4.9
Income (loss) from continuing operations - per basic share | $ 85.49 | $ (9.04) | $ 69.41 | $ (22.22)
Income (loss) from continuing operations - per diluted share | $ 55.51 | $ (9.04) | $ 45.93 | $ (22.22)
Income (Loss) from discontinued operations - per basic and diluted share | $ 0.00 | $ 0.00 | $ 0.00 | $ 4.43
Net income (loss) per basic share | $ 85.49 | $ (9.04) | $ 69.41 | $ (17.79)
Net income (loss) per diluted share | $ 55.51 | $ (9.04) | $ 45.93 | $ (17.79)
Convertible Debt [Member] |  |  |  |
Earnings Per Share [Abstract] |  |  |  |
Interest expense | $ 3.0 | $ 5.1 | $ 9.0 | $ 15.2

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