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Summary Of Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 12 Months Ended
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Sep. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) item entity | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of wholly-owned subsidiaries | entity |  | 2 |  |
Standby letters of credit outstanding |  | $ 45,500,000 |  |
Deferred payroll taxes |  |  |  | $ (18,175,000)
Revenue |  | 2,431,287,000 | $ 2,264,417,000 | 2,134,963,000
Advertising, including advertising expense in COGS |  | 78,800,000 | 72,200,000 | 68,600,000
Adjustments to casualty and workers compensation accrual, net pretax debits/(credits) |  | $ (10,374,000) | $ (6,862,000) | $ (5,790,000)
Historical claims data, period of time |  | 10 years |  |
Effective income tax rate |  | 24.40% | 22.20% | 24.30%
Lessee, Operating Lease, Option to Extend |  | up to 5 years |  |
Lessee, Operating Lease, Option to Terminate |  | options to terminate the lease within 1 year |  |
Excess tax benefit on stock options |  | $ 4,400,000 | $ 4,300,000 | $ 5,900,000
Income Tax Expense (Benefit) Resulting from Realignment of State and Local Tax Structure | $ (4,200,000) |  |  |
Roto Rooter And Corporate Office [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Exposure on single claim |  | 750,000 |  |
Exposure on auto liability claims |  | $ 3,000,000.0 |  |
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] |  |  |  |
Revenue |  | $ 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 |  | 13 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 |  |
Cloud Computing [Member] | VITAS [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Capitalized contract cost |  | $ 5,600,000 |  |
Capitalized contract cost, amortization expense |  | $ 995,000 | $ 995,000 | $ 995,000
Customer Concentration Risk [Member] | Medicare [Member] | Accounts Receivable [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk, percentage |  | 64.00% | 75.00% |
Customer Concentration Risk [Member] | Medicaid [Member] | Accounts Receivable [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk, percentage |  | 31.00% | 19.00% |
Customer Concentration Risk [Member] | Medicare, Medicaid, And Managed Medicaid [Member] | Accounts Receivable [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk, percentage |  | 78.00% |  |

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