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	Dec. 31, 2021 USD ($) item entity	Dec. 31, 2020 USD ($)	Dec. 31, 2019 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			$ 46,200,000
Deferred payroll taxes			(18,175,000)	$ 36,350,000
Deferred payroll taxes paid			18,200,000
Deferred payroll taxes, short-term liability			18,200,000
Revenue			2,139,261,000	2,079,583,000	$ 1,938,555,000
Other operating income			$ (987,000)	75,095,000	(9,132,000)
Weighted average rate			2.41%
Number of cloud computing arrangements | item			3
Advertising expense in continuing operations			$ 62,100,000	54,400,000	49,500,000
Adjustments to casualty and workers compensation accrual, net pretax debits/(credits)			$ (6,332,000)	$ (4,578,000)	$ (1,664,000)
Historical claims data, period of time			10 years
Effective income tax rate			23.30%	19.30%	15.90%
Excess tax benefit on stock options reduced income tax expense			$ 9,900,000	$ 26,100,000	$ 24,200,000
Lessee, Operating Lease, Option to Extend			up to 5 years
Roto Rooter And Corporate Office [Member]
Summary Of Significant Accounting Policies [Line Items]
Exposure on single claim			$ 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
Professional liability and other risks, insurance deductible			$ 1,000,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Lessee, Operating Lease, Remaining Lease Term			1 year
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Lessee, Operating Lease, Remaining Lease Term			10 years
Cloud Computing [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized Contract Cost, Amortization Period			5 years
Cloud Computing [Member] | Roto-Rooter [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized contract cost			$ 332,000
Capitalized contract cost, amortization expense			94,000
Cloud Computing [Member] | ASU No. 2018-15 [Member]
Summary Of Significant Accounting Policies [Line Items]
Capitalized contract cost			8,700,000
Capitalized contract cost, amortization expense			$ 995,000	$ 1,100,000
Customer Concentration Risk [Member] | Medicare [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			73.00%	74.00%
Customer Concentration Risk [Member] | Medicaid [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			21.00%	20.00%
Customer Concentration Risk [Member] | Medicare, Medicaid, And Managed Medicaid [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			80.00%
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
CARES Act - 2019 Medicare Fee-For-Service [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Relief Fund							$ 80,200,000
Forecast [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of Medicare sequestration reimbursement	1.00%	2.00%
CARES Act [Member]
Summary Of Significant Accounting Policies [Line Items]
Relief Fund			100,000,000,000
CARES Act [Member] | VITAS [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of Medicare sequestration reimbursement						2.00%
Revenue			$ 23,900,000	$ 16,800,000