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Acquisitions and Disposals - Other Acquisitions (Details)
$ in Millions
9 Months Ended
Sep. 30, 2022
USD ($)
non-controlling_interest
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]    
Payments to acquire equity method investments | $ $ 95.1 $ 0.0
Equity Method Investments    
Business Acquisition [Line Items]    
Number of non-controlling interests in surgical facilities acquired 7  
Number of non-controlling interests in in-development de novo surgical facilities acquired 7