| **Earnings per Common Share - Table 1 (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions** | 3 Months Ended | 9 Months Ended |
|--------------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Basic Numerator:**                                                                                               |           |           |   |   |
| Income from continuing operations                                                                                  | $ 78.2         | $ 67.5         | $ 236.3 | $ 188.6 |
| Less: Net income attributable to noncontrolling interests included in continuing operations                        | (16.4)         | (17.1)         | (53.7) | (50.9) |
| Less: Income allocated to participating securities                                                                 | (0.2)          | (0.3)          | (0.6) | (0.9) |
| Less: Convertible perpetual preferred stock dividends                                                              | 0.0            | 0.0            | 0.0 | (1.6) |
| Income from continuing operations attributable to HealthSouth common shareholders                                  | 61.6           | 50.1           | 182.0 | 135.2 |
| (Loss) income from discontinued operations, net of tax                                                             | (0.1)          | 0.3            | (0.3) | (1.6) |
| Net income attributable to HealthSouth common shareholders                                                         | $ 61.5         | $ 50.4         | $ 181.7 | $ 133.6 |
| **Basic Denominator:**                                                                                             |           |           |   |   |
| Basic weighted average common shares outstanding (shares)                                                          | 89.1           | 90.6           | 89.3 | 89.1 |
| **Basic earnings per share attributable to HealthSouth common shareholders:**                                      |           |           |   |   |
| Continuing operations (in dollars per share)                                                                       | $ 0.69         | $ 0.56         | $ 2.03 | $ 1.52 |
| Discontinued operations (in dollars per share)                                                                     | 0.00           | 0.00           | 0.00 | (0.02) |
| Net Income (in dollars per share)                                                                                  | $ 0.69         | $ 0.56         | $ 2.03 | $ 1.50 |
| **Diluted Numerator**                                                                                              |           |           |   |   |
| Income from continuing operations                                                                                  | $ 78.2         | $ 67.5         | $ 236.3 | $ 188.6 |
| Less: Net income attributable to noncontrolling interests included in continuing operations                        | (16.4)         | (17.1)         | (53.7) | (50.9) |
| Add: Interest on convertible debt, net of tax                                                                      | 2.4            | 2.4            | 7.2 | 7.0 |
| Income from continuing operations attributable to HealthSouth common shareholders                                  | 64.2           | 52.8           | 189.8 | 144.7 |
| (Loss) income from discontinued operations, net of tax                                                             | (0.1)          | 0.3            | (0.3) | (1.6) |
| Net income attributable to HealthSouth common shareholders                                                         | $ 64.1         | $ 53.1         | $ 189.5 | $ 143.1 |
| **Diluted Denominator**                                                                                            |           |           |   |   |
| Diluted weighted average common shares outstanding (shares)                                                        | 99.4           | 101.5          | 99.5 | 101.4 |
| **Diluted earnings per share attributable to HealthSouth common shareholders:**                                    |           |           |   |   |
| Continuing operations (in dollars per share)                                                                       | $ 0.64         | $ 0.52         | $ 1.90 | $ 1.43 |
| Discontinued operations (in dollars per share)                                                                     | 0.00           | 0.00           | 0.00 | (0.02) |
| Net income (in dollars per share)                                                                                  | $ 0.64         | $ 0.52         | $ 1.90 | $ 1.41 |

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Net income after adjustments for dividends on preferred stock (declared in the period), cumulative preferred stock (accumulated for the period), and/or income allocated to participating securities.
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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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Amount after tax of income (loss) from continuing operations attributable to the noncontrolling interest.
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Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
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The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.
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The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.
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Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.
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Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation.
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The after-tax amount of interest recognized in the period associated with any convertible debt.
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Net Income or Loss Available to Common Stockholders plus adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.
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The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
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Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
+ References
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| - References
No definition available.
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| - Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1448-109256Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421
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| - References
No definition available.
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