Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2013
Roto-Rooter [Member]
Revenue Recognition [line items]
Credit payment terms	30 days
Duration of advance notice of cancellation without penalty for both parties	90 days
Term of contract	10 years
Duration of advance notice of cancelation without penatly	60 days
Roto-Rooter [Member] | Maximum [Member]
Revenue Recognition [line items]
Duration of services provided	5 days
Roto-Rooter [Member] | Minimum [Member]
Revenue Recognition [line items]
Duration of services provided	3 days
VITAS [Member]
Revenue Recognition [line items]
Period of tier one care rate	60 days
Period of tier two care rate	61 days
Period of services provided after discharge	12 months
Period of service intensity add-on payment	7 days
Reimbursement period per day in 15 min. increments	4 hours
Minimum amount of care per 24-hr period	8 hours
Charity care cost	$ 8.1	$ 9.0	$ 8.2
Percentage of automatic budget reductions				2.00%
Medicare cap liability	$ 15.1	16.3
Percentage of medicaid reimbursement	95.00%
Percentage of expenses	5.00%
VITAS [Member] | Adoption of ASC 606 [Member]
Revenue Recognition [line items]
Percentage of expenses	5.00%
VITAS [Member] | Two Program Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Medicare cap adjustment			$ 4.1
VITAS [Member] | Three Program Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Additional Medicare cap adjustment related to prior cap liabilities				$ 8.7
VITAS [Member] | Four Programs Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Medicare cap adjustment	$ 6.7	$ 12.4