XML 72 R57.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Segment reporting - Summary of Segment Net Revenues, Segment Operating Income (Loss) and Reconciliation of Segment Income to Consolidated Income Before Income Taxes (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Segment Reporting Information [Line Items]    
Other revenues $ 129,023 $ 112,665
Total revenues 3,070,555 2,872,699
Operating income (loss) 483,845 311,645
Corporate administrative support (30,390) (24,588)
Debt expense (99,418) (100,774)
Other (loss) income, net (12,641) 3,752
Income before income taxes 371,786 214,623
U.S. dialysis    
Segment Reporting Information [Line Items]    
Total revenues 2,731,697 2,590,113
Other—Ancillary services    
Segment Reporting Information [Line Items]    
Total revenues 338,858 282,586
Operating Segments    
Segment Reporting Information [Line Items]    
Total revenues 3,097,765 2,896,114
Operating income (loss) 514,235 336,233
Operating Segments | U.S. dialysis    
Segment Reporting Information [Line Items]    
Dialysis patient service revenues 2,750,038 2,605,980
Total revenues 2,756,160 2,612,160
Operating income (loss) 525,737 361,098
Operating Segments | U.S. dialysis | External Sources    
Segment Reporting Information [Line Items]    
Dialysis patient service revenues 2,725,575 2,583,933
Other revenues 6,122 6,180
Operating Segments | U.S. dialysis | Intersubsegment Eliminations    
Segment Reporting Information [Line Items]    
Dialysis patient service revenues 24,463 22,047
Other revenues 0 0
Operating Segments | Other—Ancillary services    
Segment Reporting Information [Line Items]    
Dialysis patient service revenues 215,957 176,101
Other revenues 122,901 106,485
Total revenues 341,605 283,954
Operating income (loss) (11,502) (24,865)
Operating Segments | Other—Ancillary services | Intersubsegment Eliminations    
Segment Reporting Information [Line Items]    
Dialysis patient service revenues 2,747 1,368
Intersegment Elimination    
Segment Reporting Information [Line Items]    
Total revenues (27,210) (23,415)
Intersegment Elimination | U.S. dialysis    
Segment Reporting Information [Line Items]    
Total revenues (24,463) (22,047)
Intersegment Elimination | Other—Ancillary services    
Segment Reporting Information [Line Items]    
Total revenues $ (2,747) $ (1,368)