v3.26.1
Basis of Presentation - Net Operating Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Net operating revenues $ 1,597.4 $ 1,457.7 $ 3,184.0 $ 2,913.1
Medicare        
Disaggregation of Revenue [Line Items]        
Net operating revenues 1,047.6 939.7 2,086.0 1,916.2
Medicare Advantage        
Disaggregation of Revenue [Line Items]        
Net operating revenues 259.4 246.0 517.1 485.3
Managed care        
Disaggregation of Revenue [Line Items]        
Net operating revenues 171.3 163.0 339.0 308.3
Medicaid        
Disaggregation of Revenue [Line Items]        
Net operating revenues 49.6 45.2 95.7 87.0
Other third-party payors        
Disaggregation of Revenue [Line Items]        
Net operating revenues 11.9 10.4 22.6 18.6
Workers’ compensation        
Disaggregation of Revenue [Line Items]        
Net operating revenues 7.1 7.5 15.3 13.5
Patients        
Disaggregation of Revenue [Line Items]        
Net operating revenues 6.7 4.6 13.8 7.7
Other income        
Disaggregation of Revenue [Line Items]        
Net operating revenues $ 43.8 $ 41.3 $ 94.5 $ 76.5