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

Maximum percentage of annual salary that participant is allowed to defer per terms of the Company's Deferred Compensation Plan

No definition available.

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

Maximum Percentage of Employee Salary Eligible for Employer Match

No definition available.

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

Defined Contribution Plan Employee Contribution For Employer Matching Program

No definition available.

Name:	amed_DefinedContributionPlanEmployeeContributionForEmployeeMatchingProgram
Namespace Prefix:	amed_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Defined contribution plan employer matching contribution.

No definition available.

Name:	amed_DefinedContributionPlanEmployerMatchingContribution
Namespace Prefix:	amed_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Minimum eligible age for employees to contribute to benefit plan, years

No definition available.

Name:	amed_MinimumEligibleAgeForEmployeesToContributeToBenefitPlan
Namespace Prefix:	amed_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	amed_PensionAndOtherPostretirementBenefitsDisclosureAbstract
Namespace Prefix:	amed_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of the cost recognized during the period for defined contribution plans.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.