XML 64 R51.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Summary of Significant Accounting Policies - Net Operating Revenues & Accounts Receivable (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Concentration Risk [Line Items]
Net operating revenues	$ 1,184.4	$ 1,161.6	$ 1,135.0	$ 1,124.0	$ 1,096.0	$ 1,067.6	$ 1,067.7	$ 1,046.0	$ 4,605.0	$ 4,277.3	$ 3,913.9
Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									3,513.0	3,346.2	3,141.3
Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									1,092.0	931.1	772.6
Payor Source | Revenue from Contract with Customer Benchmark
Concentration Risk [Line Items]
Net operating revenues									4,605.0	4,277.3	3,913.9
Payor Source | Revenue from Contract with Customer Benchmark | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									3,513.0	3,346.2	3,141.3
Payor Source | Revenue from Contract with Customer Benchmark | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									1,092.0	931.1	772.6
Payor Source | Revenue from Contract with Customer Benchmark | Medicare | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									3,457.3	3,246.2	2,976.5
Payor Source | Revenue from Contract with Customer Benchmark | Medicare | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									2,537.3	2,451.7	2,313.6
Payor Source | Revenue from Contract with Customer Benchmark | Medicare | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									920.0	794.5	662.9
Payor Source | Revenue from Contract with Customer Benchmark | Medicare Advantage | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									487.4	395.1	335.8
Payor Source | Revenue from Contract with Customer Benchmark | Medicare Advantage | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									375.5	306.5	261.0
Payor Source | Revenue from Contract with Customer Benchmark | Medicare Advantage | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									111.9	88.6	74.8
Payor Source | Revenue from Contract with Customer Benchmark | Managed Care | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									381.8	376.5	364.7
Payor Source | Revenue from Contract with Customer Benchmark | Managed Care | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									342.7	343.3	335.6
Payor Source | Revenue from Contract with Customer Benchmark | Managed Care | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									39.1	33.2	29.1
Payor Source | Revenue from Contract with Customer Benchmark | Medicaid | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									128.7	112.9	97.5
Payor Source | Revenue from Contract with Customer Benchmark | Medicaid | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									110.3	101.3	93.2
Payor Source | Revenue from Contract with Customer Benchmark | Medicaid | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									18.4	11.6	4.3
Payor Source | Revenue from Contract with Customer Benchmark | Other Third-party Payors | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									43.4	49.0	49.9
Payor Source | Revenue from Contract with Customer Benchmark | Other Third-party Payors | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									43.4	49.0	49.9
Payor Source | Revenue from Contract with Customer Benchmark | Other Third-party Payors | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									0.0	0.0	0.0
Payor Source | Revenue from Contract with Customer Benchmark | Workers' Compensation | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues									30.2	28.9	27.6
Payor Source | Revenue from Contract with Customer Benchmark | Workers' Compensation | Third-Party Payor | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									29.2	27.4	27.5
Payor Source | Revenue from Contract with Customer Benchmark | Workers' Compensation | Third-Party Payor | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									1.0	1.5	0.1
Payor Source | Revenue from Contract with Customer Benchmark | Patients | Self-Pay
Concentration Risk [Line Items]
Net operating revenues									23.9	19.5	19.1
Payor Source | Revenue from Contract with Customer Benchmark | Patients | Self-Pay | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									23.3	18.7	18.4
Payor Source | Revenue from Contract with Customer Benchmark | Patients | Self-Pay | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									0.6	0.8	0.7
Payor Source | Revenue from Contract with Customer Benchmark | Other Income Source
Concentration Risk [Line Items]
Net operating revenues									52.3	49.2	42.8
Payor Source | Revenue from Contract with Customer Benchmark | Other Income Source | Inpatient Rehabilitation
Concentration Risk [Line Items]
Net operating revenues									51.3	48.3	42.1
Payor Source | Revenue from Contract with Customer Benchmark | Other Income Source | Home Health and Hospice
Concentration Risk [Line Items]
Net operating revenues									$ 1.0	$ 0.9	$ 0.7
Payor Source | Accounts Receivable
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									100.00%	100.00%
Payor Source | Accounts Receivable | Medicare | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									72.10%	73.20%
Payor Source | Accounts Receivable | Managed Care, Medicare Advantage and Other Discount Plans | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									20.10%	19.30%
Payor Source | Accounts Receivable | Medicaid | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									3.10%	2.80%
Payor Source | Accounts Receivable | Other Third-party Payors | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									2.60%	2.70%
Payor Source | Accounts Receivable | Workers' Compensation | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									1.20%	1.10%
Payor Source | Accounts Receivable | Patients | Self-Pay
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)									0.90%	0.90%

X

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

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=ehc_PayorSourceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_RevenueFromContractWithCustomerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_MedicareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HealthCareOrganizationRevenueSourcesAxis=us-gaap_ThirdPartyPayorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_MedicareAdvantageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_ManagedCareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_MedicaidMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_OtherThirdpartyPayorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_WorkersCompensationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_PatientsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HealthCareOrganizationRevenueSourcesAxis=us-gaap_SelfPayMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_OtherIncomeSourceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ehc_ManagedCareMedicareAdvantageandOtherDiscountPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: