XML 86 R72.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Goodwill and Other Intangible Assets - Carrying Amounts of Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule of Changes in the Carrying Amount of Goodwill |  |  |
Goodwill, Beginning Balance | $ 1,972.6 | $ 1,927.2 | $ 1,890.1
Acquisitions | 128.2 | 45.4 | 51.4
Divestiture of pediatric home health services |  |  | (14.3)
Goodwill, Ending Balance | 2,100.8 | 1,972.6 | 1,927.2
Inpatient Rehabilitation Segment [Member] |  |  |
Schedule of Changes in the Carrying Amount of Goodwill |  |  |
Goodwill, Beginning Balance | 1,166.0 | 1,142.0 | 1,133.1
Acquisitions | 23.2 | 24.0 | 8.9
Divestiture of pediatric home health services |  |  | 0.0
Goodwill, Ending Balance | 1,189.2 | 1,166.0 | 1,142.0
Home Health and Hospice Segment [Member] |  |  |
Schedule of Changes in the Carrying Amount of Goodwill |  |  |
Goodwill, Beginning Balance | 806.6 | 785.2 | 757.0
Acquisitions | 105.0 | 21.4 | 42.5
Divestiture of pediatric home health services |  |  | (14.3)
Goodwill, Ending Balance | $ 911.6 | $ 806.6 | $ 785.2

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
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: |