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Summary Of Significant Accounting Policies (Narrative) (Details)
 3 Months Ended 6 Months Ended 12 Months Ended 23 Months Ended
Sep. 30, 2023
USD ($)
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2023
USD ($)
item
entity
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Mar. 31, 2022
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       $ 45,200,000        
Deferred payroll taxes         $ (18,175,000) (18,175,000) $ 36,400,000  
Deferred payroll taxes paid         18,200,000 18,200,000    
Percentage of Medicare sequestration reimbursement   1.00% 2.00%          
Revenue       2,264,417,000 2,134,963,000 2,139,261,000    
Advertising expense in continuing operations       72,200,000 68,600,000 62,100,000    
Adjustments to casualty and workers compensation accrual, net pretax debits/(credits)       $ (6,862,000) $ (5,790,000) $ (6,332,000)    
Historical claims data, period of time       10 years        
Effective income tax rate       22.20% 24.30% 23.30%    
Excess tax benefit on stock options       $ 4,300,000 $ 5,900,000 $ 9,900,000    
Lessee, Operating Lease, Option to Extend       up to 5 years        
Lessee, Operating Lease, Option to Terminate       options to terminate the lease within 1 year        
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        
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    
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       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        
Cloud Computing [Member] | ASU No. 2018-15 [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Capitalized contract cost       $ 5,600,000        
Capitalized contract cost, amortization expense       $ 995,000        
Customer Concentration Risk [Member] | Medicare [Member] | Accounts Receivable [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Concentration risk, percentage       75.00% 64.00%      
Customer Concentration Risk [Member] | Medicaid [Member] | Accounts Receivable [Member]                
Summary Of Significant Accounting Policies [Line Items]                
Concentration risk, percentage       19.00% 29.00%      
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%        
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