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Acquisitions (Narrative) (Details) - Roto-Rooter [Member]
$ in Millions
Mar. 27, 2024
USD ($)
item
Mar. 11, 2024
USD ($)
item
Franchise, New Jersey [Member]    
Asset Acquisition [Line Items]    
Number of completed business combinations | item   1
Acquisition, in cash | $   $ 5.8
Franchise, Texas [Member]    
Asset Acquisition [Line Items]    
Number of completed business combinations | item 1  
Acquisition, in cash | $ $ 1.5