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Goodwill and Other Intangible Assets (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
USD ($)
unit
Dec. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
unit
Goodwill [Line Items]            
Number of reporting units | unit 2         2
Impairment of goodwill $ 85.8   $ 0.0 $ 85.8 $ 0.0  
Goodwill 1,061.7 $ 1,144.8   1,061.7   $ 1,144.8
Goodwill, impairment loss, cumulative amount 194.8 $ 109.0   194.8   $ 109.0
Hospice Reporting Unit            
Goodwill [Line Items]            
Impairment of goodwill 85.8          
Reporting unit, percentage of fair value in excess of carrying amount   15.00%       15.00%
Goodwill 217.8 $ 303.6   217.8   $ 303.6
Home Health Reporting Unit            
Goodwill [Line Items]            
Impairment of goodwill   $ 109.0        
Goodwill $ 843.9     $ 843.9