Name:	dei_DocumentPeriodEndDate
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Joint venture ownership percentage

No definition available.

Name:	ehc_Jointventureownershippercentage
Namespace Prefix:	ehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Total number of inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

No definition available.

Name:	ehc_NumberOfInpatientRehabilitationHospitals
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of inpatient rehabilitation units under management contracts with the Company as of the balance sheet date.

No definition available.

Name:	ehc_NumberOfInpatientRehabilitationUnitsUnderManagementContracts
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of Joint Ventures Accounted for Using the Equity Method

No definition available.

Name:	ehc_NumberofJointVenturesAccountedforUsingtheEquityMethod
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of home health locations the Company owns and operates as of the balance sheet date.

No definition available.

Name:	ehc_Numberofhomehealthlocations
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of hospice locations the Company owns and operates as of the balance sheet date.

No definition available.

Name:	ehc_Numberofhospicelocations
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of jointly owned hospital based home health and hospice agencies the Company owns and operates as of the balance sheet date.

No definition available.

Name:	ehc_Numberofjointlyownedhospitalbasedhomehealthandhospicelocations
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Total number of jointly owned inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

No definition available.

Name:	ehc_Numberofjointlyownedinpatientrehabilitationhospitals
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of solely owned hospital based home health and hospice agencies the Company owns and operates as of the balance sheet date.

No definition available.

Name:	ehc_Numberofsolelyownedhospitalbasedhomehealthandhospicelocations
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Total number of solely owned inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

No definition available.

Name:	ehc_Numberofsolelyownedinpatientrehabilitationhospitals
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

No definition available.

Name:	us-gaap_NumberOfOperatingSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of states the entity operates in as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

Name:	us-gaap_StatementBusinessSegmentsAxis=ehc_InpatientRehabilitationSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=ehc_HomeHealthandHospiceSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: