v3.26.3
Basis of Presentation - Net Operating Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation of Revenue [Line Items]        
Net operating revenues $ 1,609.5 $ 1,477.5 $ 4,793.5 $ 4,390.6
Medicare        
Disaggregation of Revenue [Line Items]        
Net operating revenues 1,067.7 946.1 3,153.7 2,862.1
Medicare Advantage        
Disaggregation of Revenue [Line Items]        
Net operating revenues 252.9 245.7 770.1 731.1
Managed care        
Disaggregation of Revenue [Line Items]        
Net operating revenues 173.3 164.6 512.2 473.0
Medicaid        
Disaggregation of Revenue [Line Items]        
Net operating revenues 49.6 50.0 145.3 136.9
Other third-party payors        
Disaggregation of Revenue [Line Items]        
Net operating revenues 11.9 9.8 34.6 28.4
Workers’ compensation        
Disaggregation of Revenue [Line Items]        
Net operating revenues 8.2 8.5 23.4 22.0
Patients        
Disaggregation of Revenue [Line Items]        
Net operating revenues 8.0 4.9 21.8 12.6
Other income        
Disaggregation of Revenue [Line Items]        
Net operating revenues $ 37.9 $ 47.9 $ 132.4 $ 124.5