Operating Income of Reportable Segments (Detail) (USD $)
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3 Months Ended |
12 Months Ended |
Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Segment Reporting Information [Line Items] |
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Net service revenue |
$ 300,500,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 300,300,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 305,000,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 298,700,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 303,500,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 301,300,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 315,900,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 328,600,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 1,204,554,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 1,249,344,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
$ 1,440,836,000us-gaap_HealthCareOrganizationPatientServiceRevenue |
Cost of service, excluding depreciation and amortization |
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691,061,000us-gaap_CostOfServices |
717,996,000us-gaap_CostOfServices |
810,704,000us-gaap_CostOfServices |
General and administrative expenses |
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441,700,000amed_GeneralAndAdministrativeExpenseSegment |
474,000,000amed_GeneralAndAdministrativeExpenseSegment |
516,700,000amed_GeneralAndAdministrativeExpenseSegment |
Provision for doubtful accounts |
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16,294,000amed_ProvisionForDoubtfulAccountsForContinuingOperations |
15,882,000amed_ProvisionForDoubtfulAccountsForContinuingOperations |
21,011,000amed_ProvisionForDoubtfulAccountsForContinuingOperations |
Depreciation and amortization |
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28,307,000amed_DepreciationAndAmortizationForContinuingOperations |
36,871,000amed_DepreciationAndAmortizationForContinuingOperations |
39,200,000amed_DepreciationAndAmortizationForContinuingOperations |
U.S. Department of Justice settlement |
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0amed_UsDepartmentOfJusticeSettlement |
150,000,000amed_UsDepartmentOfJusticeSettlement |
0amed_UsDepartmentOfJusticeSettlement |
Goodwill and other intangibles impairment charge |
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3,107,000us-gaap_GoodwillAndIntangibleAssetImpairment |
9,492,000us-gaap_GoodwillAndIntangibleAssetImpairment |
162,103,000us-gaap_GoodwillAndIntangibleAssetImpairment |
Operating expenses |
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1,180,507,000us-gaap_CostsAndExpenses |
1,404,315,000us-gaap_CostsAndExpenses |
1,549,691,000us-gaap_CostsAndExpenses |
Operating income (loss) |
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24,047,000us-gaap_OperatingIncomeLoss |
(154,971,000)us-gaap_OperatingIncomeLoss |
(108,855,000)us-gaap_OperatingIncomeLoss |
Home Health [Member] |
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Segment Reporting Information [Line Items] |
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Net service revenue |
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956,900,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
987,700,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
1,152,100,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Cost of service, excluding depreciation and amortization |
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559,400,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
578,900,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
661,400,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
General and administrative expenses |
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269,000,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
304,800,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
331,600,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Provision for doubtful accounts |
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14,800,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
10,200,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
17,100,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Depreciation and amortization |
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9,000,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
10,300,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
13,200,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
U.S. Department of Justice settlement |
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0amed_UsDepartmentOfJusticeSettlement / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
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Goodwill and other intangibles impairment charge |
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1,600,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
8,500,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
161,600,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Operating expenses |
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853,800,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
912,700,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
1,184,900,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Operating income (loss) |
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103,100,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
75,000,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
(32,800,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HomeHealthMember |
Hospice [Member] |
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Segment Reporting Information [Line Items] |
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Net service revenue |
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247,600,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
261,600,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
288,700,000us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
Cost of service, excluding depreciation and amortization |
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131,700,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
139,100,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
149,300,000us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
General and administrative expenses |
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58,300,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
64,700,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
71,800,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
Provision for doubtful accounts |
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1,500,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
5,700,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
3,900,000amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
Depreciation and amortization |
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2,100,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
2,100,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
1,500,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
U.S. Department of Justice settlement |
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0amed_UsDepartmentOfJusticeSettlement / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
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Goodwill and other intangibles impairment charge |
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1,500,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
1,000,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
500,000us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
Operating expenses |
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195,100,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
212,600,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
227,000,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
Operating income (loss) |
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52,500,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
49,000,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
61,700,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = amed_HospiceMember |
All Other Segments [Member] |
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Segment Reporting Information [Line Items] |
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Net service revenue |
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0us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_HealthCareOrganizationPatientServiceRevenue / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Cost of service, excluding depreciation and amortization |
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0us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_CostOfServices / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
General and administrative expenses |
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114,400,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
104,500,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
113,300,000amed_GeneralAndAdministrativeExpenseSegment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Provision for doubtful accounts |
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0amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0amed_ProvisionForDoubtfulAccountsForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Depreciation and amortization |
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17,200,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
24,500,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
24,500,000amed_DepreciationAndAmortizationForContinuingOperations / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
U.S. Department of Justice settlement |
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150,000,000amed_UsDepartmentOfJusticeSettlement / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Goodwill and other intangibles impairment charge |
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0us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
0us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Operating expenses |
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131,600,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
279,000,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
137,800,000us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
Operating income (loss) |
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$ (131,600,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
$ (279,000,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
$ (137,800,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |