| **Basis of Presentation Basis of Presentation - Table 2 (Details) - USD ($) $ in Millions** | 3 Months Ended | 9 Months Ended |
|---------------------------------------------------------------------------------------------|----------------|----------------|
||
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**            |           |           |   |   |
| Net operating revenues                                                                      | $ 1,067.6      | $ 981.6        | $ 3,181.3 | $ 2,905.1 |
| Other operating expenses                                                                    | 142.9          | 136.2          | 433.5 | 393.3 |
| Net income attributable to Encompass Health                                                 | $ 88.6         | 65.9           | $ 264.2 | 195.7 |
| Adjustments for New Accounting Pronouncement [Member]                                       |           |           |   |   |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**            |           |           |   |   |
| Net operating revenues                                                                      |           | 981.6          |   | 2,905.1 |
| Provision for doubtful accounts                                                             |           | 0.0            |   | 0.0 |
| Other operating expenses                                                                    |           | 136.2          |   | 393.3 |
| Net income attributable to Encompass Health                                                 |           | 65.9           |   | 195.7 |
| Adjustments for ASC 606 [Member]                                                            |           |           |   |   |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**            |           |           |   |   |
| Net operating revenues                                                                      |           | (14.0)         |   | (46.6) |
| Provision for doubtful accounts                                                             |           | (12.6)         |   | (42.7) |
| Other operating expenses                                                                    |           | (1.4)          |   | (3.9) |
| Net income attributable to Encompass Health                                                 |           | 0.0            |   | 0.0 |
| As Reported [Member]                                                                        |           |           |   |   |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**            |           |           |   |   |
| Net operating revenues                                                                      |           | 995.6          |   | 2,951.7 |
| Provision for doubtful accounts                                                             |           | 12.6           |   | 42.7 |
| Other operating expenses                                                                    |           | 137.6          |   | 397.2 |
| Net income attributable to Encompass Health                                                 |           | $ 65.9         |   | $ 195.7 |

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Amount of the provision for bad debts related to patient service revenue.
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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.
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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
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