Legal And Regulatory Matters (Narrative) (Details) $ in Thousands							1 Months Ended	3 Months Ended
	Nov. 30, 2018	Oct. 30, 2017	May 22, 2017 item	May 19, 2017	Sep. 27, 2016	Sep. 26, 2016	Mar. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Settlement Agreement [Member]
Loss Contingencies [Line Items]
Term to impose monitoring, reporting, certification, oversight, screening, and training		5 years
Litigation expenses								$ 75,000
U.S. v. VITAS [Member]
Loss Contingencies [Line Items]
Litigation expenses									$ 90,000
Litigation expenses, after tax									$ 55,800
Attorney Fees U.S. v. VITAS [Member]
Loss Contingencies [Line Items]
Litigation expenses								5,500
Litigation expenses, after tax								$ 3,400
Seper v. VITAS [Member]
Loss Contingencies [Line Items]
Period of preceding the filing of the lawsuit						4 years
Chhina v. VITAS [Member]
Loss Contingencies [Line Items]
Period of preceding the filing of the lawsuit					4 years
Chere Phillips And Lady Moore v. VITAS [Member]
Loss Contingencies [Line Items]
Period of preceding the filing of the lawsuit				4 years
VITAS [Member]
Loss Contingencies [Line Items]
Number of other lawsuits | item			3
Seper/Chhina v. VITAS [Member]
Loss Contingencies [Line Items]
Settlement amount							$ 5,750
Lax v. Roto-Rooter [Member]
Loss Contingencies [Line Items]
Period of preceding the filing of the lawsuit	4 years