XML 22 R8.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Consolidated Statement of Shareholders' Equity (Parentheticals) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Shareholders' Equity Parenthetical [Abstract] |  |  |
Dividends declared on common stock, per share | $ 1.04 | $ 0.98 | $ 0.94

X
- Definition Shareholders' Equity Parenthetical [Abstract] + References No definition available. + Details
Name: | ehc_ShareholdersEquityParentheticalAbstract
Namespace Prefix: | ehc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration