Amount of accrued payroll assumed at the acquisition date.

No definition available.

Name:	hls_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentLiabilitiesAccruedPayroll
Namespace Prefix:	hls_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Investment in noconsolidated affiliates, acquired

+ References

No definition available.

+ Details

Name:	hls_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedInvestmentinNonConsolidatedAffiliates
Namespace Prefix:	hls_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of liabilities assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=73531372&loc=d3e2207-128464

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hls_CareSouthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hls_ReliantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=hls_CertificateOfNeedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hls_EncompassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_SoftwareDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Combinations - Fair Value of Assets and Liabilities Assumed (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Nov. 30, 2015	Oct. 31, 2015	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 1,927.2	$ 1,890.1	$ 1,084.0			$ 456.9
All Other Acquisitions [Member]
Business Acquisition [Line Items]
Total current assets			12.1
Property and equipment			36.9
Goodwill			34.6
Total assets acquired			99.8
Total current liabilities assumed			7.8
Total long-term liabilities			13.4
Total liabilities assumed			21.2
Noncontrolling interests			18.3
Net assets acquired			78.6
Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			0.4
Noncompete Agreements [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		3 years
Trade Names [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			2.9
Trade Names [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		20 years
Trade Names [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		5 years
Certificate of Need [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			10.8
Certificate of Need [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		20 years
Certificate of Need [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		10 years
Licenses [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			2.1
Licenses [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		20 years
Licenses [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		10 years
Home Health and Hospice Segment [Member]
Business Acquisition [Line Items]
Goodwill	785.2	$ 757.0	592.5			0.0
Home Health and Hospice Segment [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Property and equipment		0.1
Goodwill	41.4	20.3
Total assets acquired	48.5	30.7
Total liabilities assumed	0.4	0.2
Net assets acquired	48.1	30.5
Home Health and Hospice Segment [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Cash and cash equivalents				$ 0.4
Accounts receivable				10.5
Prepaid expenses and other current assets				2.0
Property and equipment				0.7
Goodwill				143.3
Investment in noconsolidated affiliates, acquired				2.2
Total assets acquired				191.7
Current portion of long-term debt				0.1
Accounts payable				2.7
Accrued payroll				2.4
Other current liabilities				2.8
Long-term debt				0.2
Deferred tax liabilities				9.5
Total liabilities assumed				17.7
Noncontrolling interests				4.3
Net assets acquired				169.7
Home Health and Hospice Segment [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			20.9
Accounts receivable			37.6
Prepaid expenses and other current assets			8.6
Property and equipment			9.6
Goodwill			592.5
Other long-term assets			2.1
Total assets acquired			873.5
Current portion of long-term debt			2.0
Accounts payable			0.9
Accrued payroll			25.8
Other current liabilities			18.5
Long-term debt			2.0
Deferred tax liabilities			64.3
Total liabilities assumed			113.5
Noncontrolling interests			64.5
Net assets acquired			695.5
Home Health and Hospice Segment [Member] \| Software Development [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life				0.4
Home Health and Hospice Segment [Member] \| Software Development [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			$ 3.2
Finite-lived intangible asset useful life			3 years
Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	$ 1.1	1.3
Finite-lived intangible asset useful life	5 years
Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life				0.8
Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			$ 5.6
Home Health and Hospice Segment [Member] \| Trade Names [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	$ 0.7	$ 0.5
Finite-lived intangible asset useful life	1 year	1 year
Home Health and Hospice Segment [Member] \| Trade Names [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life				2.8
Home Health and Hospice Segment [Member] \| Certificate of Need [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	$ 1.9	$ 4.9
Finite-lived intangible asset useful life	10 years	10 years
Home Health and Hospice Segment [Member] \| Certificate of Need [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life				15.6
Home Health and Hospice Segment [Member] \| Licenses [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	$ 3.4	$ 3.6
Finite-lived intangible asset useful life	10 years	10 years
Home Health and Hospice Segment [Member] \| Licenses [Member] \| CareSouth [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life				$ 13.0
Home Health and Hospice Segment [Member] \| Licenses [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life			$ 58.2
Finite-lived intangible asset useful life			10 years
Inpatient Rehabilitation Segment [Member]
Business Acquisition [Line Items]
Goodwill	$ 1,142.0	$ 1,133.1	$ 491.5			$ 456.9
Inpatient Rehabilitation Segment [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Total current assets		10.1
Property and equipment	5.3	42.7
Goodwill	9.4	0.7
Total assets acquired	16.1	63.4
Total liabilities assumed	16.1	2.7
Noncontrolling interests		4.2
Net assets acquired		60.7
Inpatient Rehabilitation Segment [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Cash and cash equivalents					$ 42.6
Accounts receivable					25.7
Prepaid expenses and other current assets					2.8
Property and equipment					220.6
Goodwill					642.6
Other long-term assets					0.9
Total assets acquired					1,001.8
Current portion of long-term debt					4.1
Accounts payable					1.7
Accrued payroll					3.7
Other current liabilities					10.8
Long-term debt					205.8
Deferred tax liabilities					3.9
Total liabilities assumed					230.0
Noncontrolling interests					0.4
Net assets acquired					771.4
Inpatient Rehabilitation Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	0.4	0.1
Inpatient Rehabilitation Segment [Member] \| Noncompete Agreements [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life					9.7
Inpatient Rehabilitation Segment [Member] \| Trade Names [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life	$ 1.0	$ 0.8
Finite-lived intangible asset useful life	20 years	20 years
Inpatient Rehabilitation Segment [Member] \| Trade Names [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life					8.9
Inpatient Rehabilitation Segment [Member] \| Certificate of Need [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life		$ 8.8
Finite-lived intangible asset useful life		20 years
Inpatient Rehabilitation Segment [Member] \| Certificate of Need [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life					36.6
Inpatient Rehabilitation Segment [Member] \| Licenses [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life		$ 0.2
Finite-lived intangible asset useful life		20 years
Inpatient Rehabilitation Segment [Member] \| Licenses [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Finite life					$ 11.4
Trade Names [Member] \| Home Health and Hospice Segment [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Identifiable intangible assets, Indefinite life			$ 135.2
Minimum [Member] \| Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	1 year
Minimum [Member] \| Noncompete Agreements [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		1 year
Minimum [Member] \| Trade Names [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	1 year
Minimum [Member] \| Certificate of Need [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	10 years
Minimum [Member] \| Licenses [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	10 years
Minimum [Member] \| Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		2 years
Minimum [Member] \| Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life			2 years
Minimum [Member] \| Inpatient Rehabilitation Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	1 year	2 years
Maximum [Member] \| Noncompete Agreements [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	18 years
Maximum [Member] \| Noncompete Agreements [Member] \| Reliant [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		2 years
Maximum [Member] \| Trade Names [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	20 years
Maximum [Member] \| Certificate of Need [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	30 years
Maximum [Member] \| Licenses [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	20 years
Maximum [Member] \| Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life		5 years
Maximum [Member] \| Home Health and Hospice Segment [Member] \| Noncompete Agreements [Member] \| Encompass [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life			5 years
Maximum [Member] \| Inpatient Rehabilitation Segment [Member] \| Noncompete Agreements [Member] \| All Other Acquisitions [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset useful life	3 years	3 years