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Business Combinations - Pro Forma Results of Operation (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Combined entity: Supplemental pro forma, Net Operating Revenues		$ 1,075.0	$ 986.7	$ 2,141.9	$ 1,963.1
Combined entity: Supplemental pro forma, Net Income Attributable to Encompass Health		$ 93.7	$ 66.5	179.8	$ 135.7
Camellia Healthcare [Member] | Home Health and Hospice Segment [Member]
Business Acquisition [Line Items]
Acquired entity only: Actual from acquisition date to June 30, 2018, Net Operating Revenues	$ 13.7
Acquired entities only: Actual from acquisition date to June 30, 2018, Net Income Attributable to Encompass Health	$ 0.1
Golden Age and MSA [Member] | Home Health and Hospice Segment [Member]
Business Acquisition [Line Items]
Acquired entity only: Actual from acquisition date to June 30, 2018, Net Operating Revenues				0.7
Acquired entities only: Actual from acquisition date to June 30, 2018, Net Income Attributable to Encompass Health				$ (0.1)

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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