Summary Of Significant Accounting Policies (Narrative) (Details)	3 Months Ended	6 Months Ended	12 Months Ended			23 Months Ended
	Jun. 30, 2022	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) item entity	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2022	Apr. 10, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Covid-19 related costs				$ 14,000,000.0
Number of wholly-owned subsidiaries | entity			2
Standby letters of credit outstanding		$ 45,300,000	$ 45,300,000
Deferred payroll taxes			(18,175,000)	(18,175,000)	$ 36,350,000
Deferred payroll taxes paid			18,200,000	18,200,000
Percentage of Medicare sequestration reimbursement	1.00%	2.00%
Revenue			2,134,963,000	2,139,261,000	2,079,583,000
Other operating income			(3,691,000)	(987,000)	75,095,000
Advertising expense in continuing operations			68,600,000	62,100,000	54,400,000
Adjustments to casualty and workers compensation accrual, net pretax debits/(credits)			$ (5,790,000)	$ (6,332,000)	$ (4,578,000)
Historical claims data, period of time			10 years
Effective income tax rate			24.30%	23.30%	19.30%
Excess tax benefit on stock options			$ 5,900,000	$ 9,900,000	$ 26,100,000
Lessee, Operating Lease, Option to Extend			up to 5 years
Lessee, Operating Lease, Option to Terminate			options to terminate the lease within 1 year
Roto Rooter And Corporate Office [Member]
Summary Of Significant Accounting Policies [Line Items]
Exposure on single claim		$ 750,000	$ 750,000
Roto-Rooter [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | item			1
Percent of population serviced			90.00%
VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Covid-19 related costs				10,000,000.0
Number of service providers | item			1
Exposure on single claim		1,000,000	$ 1,000,000
Professional liability and other risks, insurance deductible		$ 1,000,000	$ 1,000,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Lessee, Operating Lease, Remaining Lease Term		1 year	1 year
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Lessee, Operating Lease, Remaining Lease Term		10 years	10 years
Cloud Computing [Member] | Roto-Rooter [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized contract cost, amortization period		5 years 8 months 12 days	5 years 8 months 12 days
Cloud Computing [Member] | ASU No. 2018-15 [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized contract cost		$ 5,600,000	$ 5,600,000
Capitalized contract cost, amortization expense			$ 995,000	$ 995,000	1,100,000
Customer Concentration Risk [Member] | Medicare [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			64.00%	73.00%
Customer Concentration Risk [Member] | Medicaid [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			29.00%	21.00%
Customer Concentration Risk [Member] | Medicare, Medicaid, And Managed Medicaid [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			73.00%
Lost Revenue [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Other operating income					44,800,000
Lost Revenue [Member] | Maximum [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Other operating income					61,400,000
CARES Act - 2019 Medicare Fee-For-Service [Member]
Summary Of Significant Accounting Policies [Line Items]
Relief Fund		30,000,000,000	$ 30,000,000,000
CARES Act - 2019 Medicare Fee-For-Service [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Relief Fund							$ 80,200,000
CARES Act [Member]
Summary Of Significant Accounting Policies [Line Items]
Relief Fund		$ 100,000,000,000	100,000,000,000
CARES Act [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of Medicare sequestration reimbursement						2.00%
Revenue			$ 8,600,000	$ 23,900,000	$ 16,800,000