XML 102 R88.htm IDEA: XBRL DOCUMENT v3.22.0.1
Segment Reporting - Assets and Cash Purchases of Property and Equipment by Operating Segment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Total assets $ 6,117.6 $ 5,413.2  
Cash purchases of property and equipment 57.6 42.9 $ 73.6
Operating Segments | Surgical Facility Services      
Segment Reporting Information [Line Items]      
Total assets 5,552.8 4,962.4  
Cash purchases of property and equipment 55.0 38.7 65.9
Operating Segments | Ancillary Services      
Segment Reporting Information [Line Items]      
Total assets 47.5 35.0  
Cash purchases of property and equipment 0.5 0.4 1.1
All other      
Segment Reporting Information [Line Items]      
Total assets 517.3 415.8  
Cash purchases of property and equipment $ 2.1 $ 3.8 $ 6.6