Commitments and Contigencies (Details) (USD $)	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
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	May 31, 2012	Dec. 31, 2012	Sep. 13, 2012 Wage and Hour Litigation [Member] Illinois [Member] Employee	Jul. 25, 2012 Wage and Hour Litigation [Member] Connecticut [Member] Employee	Jun. 24, 2013 Federal Derivative Actions [Member]	Sep. 30, 2013 OIG Self-Disclosure [Member]	Nov. 05, 2013 ERISA Class Action Lawsuit [Member]	Sep. 30, 2013 Home Health [Member]	Sep. 30, 2013 Home Health [Member]	Nov. 10, 2009 Home Health [Member] Ohio [Member] Claims	Mar. 09, 2011 Home Health [Member] Extrapolated [Member] Ohio [Member] Claims	Sep. 30, 2013 Hospice [Member]	Sep. 30, 2013 Hospice [Member]	Mar. 31, 2010 Hospice [Member] South Carolina [Member] Beneficiary	Jul. 31, 2008 Hospice [Member] Massachusetts [Member] Claims Beneficiary	Jun. 06, 2011 Hospice [Member] Extrapolated [Member] South Carolina [Member] Beneficiary	Feb. 15, 2012 Hospice [Member] Extrapolated [Member] Massachusetts [Member] Claims	Dec. 17, 2012 Hospice [Member] Final Litigation Settlment [Member] Massachusetts [Member] Claims
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