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Condensed Consolidating Financial Information - Textual (Details)	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Encompass Health ownership percentage of subsidiary guarantors (percent)	100.00%
Senior secured leverage ratio maximum	2
Consolidated coverage ratio minimum	2

X

- Definition

Minimum consolidated coverage ratio to permit the declaration and payment of dividends under senior note indenture.

+ References

No definition available.

+ Details

Name:	ehc_Consolidatedcoverageratiominimum
Namespace Prefix:	ehc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Max senior secured leverage ratio to permit restricted payments under credit agreement.

+ References

No definition available.

+ Details

Name:	ehc_DebtInstrumentCovenantLeverageRatioMaximum
Namespace Prefix:	ehc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

HealthSouth's ownership percentage in its guarantor subsidiaries.

+ References

No definition available.

+ Details

Name:	ehc_OwnershipPercentageOfSubsidiaryGuarantors
Namespace Prefix:	ehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration