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Earnings Per Common Share - Computation of Basic and Diluted Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Numerator: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations | $ 86.7 | $ 85.2 | $ 79.2 | $ 84.7 | $ 81.8 | $ 78.2 | $ 81.3 | $ 76.8 | $ 335.8 | $ 318.1 | $ 253.7
Less: Net income attributable to noncontrolling interests included in continuing operations |  |  |  |  |  |  |  |  | (79.1) | (70.5) | (69.7)
Less: Income allocated to participating securities |  |  |  |  |  |  |  |  | (0.8) | (0.8) | (1.0)
Less: Convertible perpetual preferred stock dividends |  |  |  |  |  |  |  |  | 0.0 | 0.0 | (1.6)
Income from continuing operations attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | 255.9 | 246.8 | 181.4
Loss from discontinued operations, net of tax, attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | (0.4) | 0.0 | (0.9)
Net income attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | $ 255.5 | $ 246.8 | $ 180.5
Denominator: |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding (shares) |  |  |  |  |  |  |  |  | 93.7 | 89.1 | 89.4
Basic earnings per share attributable to Encompass Health common shareholders: |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ 0.62 | $ 0.67 | $ 0.70 | $ 0.75 | $ 0.73 | $ 0.69 | $ 0.70 | $ 0.65 | $ 2.73 | $ 2.77 | $ 2.03
Discontinued Operations (in dollars per share) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | (0.01)
Net income (in dollars per share) | $ 0.62 | $ 0.67 | $ 0.70 | $ 0.75 | $ 0.73 | $ 0.69 | $ 0.70 | $ 0.65 | $ 2.73 | $ 2.77 | $ 2.02
Numerator: |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations | $ 86.7 | $ 85.2 | $ 79.2 | $ 84.7 | $ 81.8 | $ 78.2 | $ 81.3 | $ 76.8 | $ 335.8 | $ 318.1 | $ 253.7
Less: Net income attributable to noncontrolling interests included in continuing operations |  |  |  |  |  |  |  |  | (79.1) | (70.5) | (69.7)
Add: Interest on convertible debt, net of tax |  |  |  |  |  |  |  |  | 4.6 | 9.7 | 9.4
Add: Loss on extinguishment of convertible debt, net of tax |  |  |  |  |  |  |  |  | 6.2 | 0.0 | 0.0
Income from continuing operations attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | 267.5 | 257.3 | 193.4
Loss from discontinued operations, net of tax, attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | (0.4) | 0.0 | (0.9)
Net income attributable to Encompass Health common shareholders |  |  |  |  |  |  |  |  | $ 267.1 | $ 257.3 | $ 192.5
Denominator: |  |  |  |  |  |  |  |  |  |  |
Diluted weighted average common shares outstanding (shares) |  |  |  |  |  |  |  |  | 99.3 | 99.5 | 101.0
Diluted earnings per share attributable to Encompass Health common shareholders: |  |  |  |  |  |  |  |  |  |  |
Continuing operations (in dollars per share) | $ 0.61 | $ 0.67 | $ 0.70 | $ 0.70 | $ 0.68 | $ 0.64 | $ 0.65 | $ 0.61 | $ 2.69 | $ 2.59 | $ 1.92
Discontinued operations (in dollars per share) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | (0.01)
Net income (in dollars per share) | $ 0.61 | $ 0.67 | $ 0.70 | $ 0.70 | $ 0.68 | $ 0.64 | $ 0.65 | $ 0.61 | $ 2.69 | $ 2.59 | $ 1.91

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