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Summary Of Significant Accounting Policies (Narrative) (Details)
 3 Months Ended 12 Months Ended
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%