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Discontinued Operations (Details 3) (USD $) In Millions, except Share data in Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 | Sep. 30, 2010
Basic and diluted earnings per share numerators (in millions): |  |  |  |
Net income (loss) | $ (15.8) | $ 50.7 | $ (32.3) | $ 13.6
Basic earnings per share denominators (in thousands): |  |  |  |
Average common shares outstanding during the period (in shares) | 7,845 | 8,332 | 7,902 | 8,547
Average unvested restricted shares (in shares) | 74 | 99 | 68 | 97
Basic earnings (loss) per share denominator (in shares) | 7,919 | 8,431 | 7,970 | 8,644
Diluted earnings per share denominator (in thousands): |  |  |  |
Average common shares outstanding during the period (in shares) | 7,845 | 8,332 | 7,902 | 8,547
Average unvested restricted shares (in shares) | 74 | 99 | 68 | 97
Average outstanding dilutive options to acquire common shares (in shares) |  |  |  | 1
Diluted earnings (loss) per share denominator (in shares) | 7,919 | 8,431 | 7,970 | 8,645
Businesses classified as discontinued operations |  |  |  |
Basic and diluted earnings per share numerators (in millions): |  |  |  |
Net income (loss) | $ (30.1) | $ 3.6 | $ (28.9) | $ 1.2
Basic earnings per share denominators (in thousands): |  |  |  |
Average common shares outstanding during the period (in shares) | 7,845 | 8,332 | 7,902 | 8,547
Average unvested restricted shares (in shares) | 74 | 99 | 68 | 97
Basic earnings (loss) per share denominator (in shares) | 7,919 | 8,431 | 7,970 | 8,644
Diluted earnings per share denominator (in thousands): |  |  |  |
Average common shares outstanding during the period (in shares) | 7,845 | 8,332 | 7,902 | 8,547
Average unvested restricted shares (in shares) | 74 | 99 | 68 | 97
Average outstanding dilutive options to acquire common shares (in shares) |  |  |  | 1
Diluted earnings (loss) per share denominator (in shares) | 7,919 | 8,431 | 7,970 | 8,645
Basic and diluted earnings (loss) per share (in dollars): | $ (3.81) | $ 0.43 | $ (3.63) | $ 0.13

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