Commitments and Contigencies (Details) (USD $)
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3 Months Ended | 9 Months Ended | 49 Months Ended | 9 Months Ended | 7 Months Ended | 3 Months Ended | 3 Months Ended | 9 Months Ended | 22 Months Ended | 2 Months Ended | 3 Months Ended | 9 Months Ended | 27 Months Ended | 12 Months Ended | 5 Months Ended | 1 Months Ended | 12 Months Ended | |||||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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May 31, 2012
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Dec. 31, 2012
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Sep. 13, 2012
Wage and Hour Litigation [Member]
Illinois [Member]
Employee
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Jul. 25, 2012
Wage and Hour Litigation [Member]
Connecticut [Member]
Employee
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Jun. 24, 2013
Federal Derivative Actions [Member]
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Sep. 30, 2013
OIG Self-Disclosure [Member]
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Nov. 05, 2013
ERISA Class Action Lawsuit [Member]
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Sep. 30, 2013
Home Health [Member]
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Sep. 30, 2013
Home Health [Member]
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Nov. 10, 2009
Home Health [Member]
Ohio [Member]
Claims
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Mar. 09, 2011
Home Health [Member]
Extrapolated [Member]
Ohio [Member]
Claims
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Sep. 30, 2013
Hospice [Member]
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Sep. 30, 2013
Hospice [Member]
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Mar. 31, 2010
Hospice [Member]
South Carolina [Member]
Beneficiary
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Jul. 31, 2008
Hospice [Member]
Massachusetts [Member]
Claims
Beneficiary
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Jun. 06, 2011
Hospice [Member]
Extrapolated [Member]
South Carolina [Member]
Beneficiary
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Feb. 15, 2012
Hospice [Member]
Extrapolated [Member]
Massachusetts [Member]
Claims
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Dec. 17, 2012
Hospice [Member]
Final Litigation Settlment [Member]
Massachusetts [Member]
Claims
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Commitments and Contingencies Disclosure [Line Items] | ||||||||||||||||||||||
Medicare Revenue | $ 4,000,000 | |||||||||||||||||||||
Number of former employees who filled a putative collective and class action complaint | 1 | 3 | ||||||||||||||||||||
Number of claims submitted by subsidiary | 137 | 114 | 112 | 89 | 35 | |||||||||||||||||
Recovery amount of the overpayment made to the subsidiary | 5,600,000 | 6,100,000 | 6,600,000 | 100,000 | ||||||||||||||||||
Health insurance retention limit | 900,000 | |||||||||||||||||||||
Workers' compensation insurance retention limit | 500,000 | |||||||||||||||||||||
Professional liability insurance retention limit | 300,000 | |||||||||||||||||||||
Number of beneficiaries | 30 | 25 | 16 | |||||||||||||||||||
Loss Contingency, Settlement Agreement, Consideration | 445,000 | 1,200,000 | ||||||||||||||||||||
Insurance proceeds for reimbursement of legal fees | 5,500,000 | |||||||||||||||||||||
U.S. Department Of Justice Settlement | 150,000,000 | 0 | 150,000,000 | 0 | 0 | 0 | 0 | 0 | ||||||||||||||
Payment Upon Execution Of U.S. Department Of Justice Settlement | 115,000,000 | |||||||||||||||||||||
Interest Rate On U.S. Department of Justice Settlement | 2.25% | |||||||||||||||||||||
Final Payment Of U.S. Department Of Justice Settlement | 35,000,000 | |||||||||||||||||||||
Period Of Time For Final Payment Of U.S. Department of Justice Settlement | 6 months | |||||||||||||||||||||
Accrued Charge Related To U.S. Department Of Justice Settlement | 150,000,000 | 150,000,000 | 0 | |||||||||||||||||||
Loss Contingency, Estimate of Possible Loss | 2,000,000 | |||||||||||||||||||||
Loss Contingency Accrual | $ 1,000,000 |