Name:	amed_FixedChargeCoverageRatio
Namespace Prefix:	amed_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

Amount of a short-term or long-term contractual arrangement with a lender, including letter of credit, standby letter of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line of credit.

No definition available.

Name:	amed_RevolvingCreditFacilityTotal
Namespace Prefix:	amed_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Period of term loan

No definition available.

Name:	amed_TermLoanPeriod
Namespace Prefix:	amed_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Reflects the calculation as of the average interest rate weighted by the amount outstanding at the balance sheet date.

No definition available.

Name:	amed_TermLoanWeightedAverageInterestRate
Namespace Prefix:	amed_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Ratio of debt to earnings before interest, taxes, depreciation and amortization.

No definition available.

Name:	amed_TotalLeverageRatio
Namespace Prefix:	amed_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682