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Summary Of Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended | 23 Months Ended |
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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 |  |  |

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