Basis of Presentation Basis of Presentation - Table 3 (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Medicare	74.70%	74.50%	75.10%	74.70%
Medicare Advantage	8.10%	7.70%	7.90%	8.00%
Managed care	10.00%	10.10%	9.80%	10.00%
Medicaid	3.20%	3.10%	3.30%	2.90%
Other third-party payors	1.40%	1.80%	1.40%	1.60%
Patients	0.50%	0.60%	0.50%	0.60%
Other income	1.40%	1.30%	1.20%	1.30%
Total	100.00%	100.00%	100.00%	100.00%
Home Health and Hospice [Member]
Health Care Organization, Receivable and Revenue Disclosures [Line Items]
Medicare	82.30%	83.90%	82.90%	83.80%
Medicare Advantage	9.00%	7.20%	8.90%	7.30%
Managed care	3.70%	2.90%	3.20%	3.00%
Medicaid	4.80%	5.80%	4.80%	5.70%
Other third-party payors	0.00%	0.10%	0.00%	0.10%
Patients	0.10%	0.10%	0.10%	0.10%
Other income	0.10%	0.00%	0.10%	0.00%
Total	100.00%	100.00%	100.00%	100.00%