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v3.21.1

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, 2021 | Mar. 31, 2020
Segment Reporting Information [Line Items] |  |
Other revenues | $ 105,414 | $ 127,956
Total revenues | 2,820,001 | 2,841,237
Operating income (loss) | 442,602 | 465,376
Corporate administrative support | (25,444) | (23,585)
Debt expense | (67,014) | (88,603)
Debt refinancing charges | 0 | (2,948)
Other income (loss), net | 1,168 | (4,350)
Income from continuing operations before income taxes | 376,756 | 369,475
U.S. dialysis |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 2,562,875 | 2,584,381
Other—Ancillary services |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 257,126 | 256,856
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Total revenues | 2,851,297 | 2,877,631
Operating income (loss) | 468,046 | 488,961
Operating Segments | U.S. dialysis |  |
Segment Reporting Information [Line Items] |  |
Dialysis patient service revenues | 2,583,203 | 2,611,181
Total revenues | 2,589,878 | 2,616,623
Operating income (loss) | 479,906 | 491,607
Operating Segments | U.S. dialysis | External Sources |  |
Segment Reporting Information [Line Items] |  |
Dialysis patient service revenues | 2,556,259 | 2,579,240
Other revenues | 6,616 | 5,141
Operating Segments | U.S. dialysis | Intersubsegment Eliminations |  |
Segment Reporting Information [Line Items] |  |
Dialysis patient service revenues | 26,944 | 31,941
Other revenues | 59 | 301
Operating Segments | Other—Ancillary services |  |
Segment Reporting Information [Line Items] |  |
Dialysis patient service revenues | 158,328 | 134,041
Other revenues | 98,798 | 122,815
Total revenues | 261,419 | 261,008
Operating income (loss) | (11,860) | (2,646)
Operating Segments | Other—Ancillary services | Intersubsegment Eliminations |  |
Segment Reporting Information [Line Items] |  |
Dialysis patient service revenues | 4,293 | 4,152
Intersegment Elimination |  |
Segment Reporting Information [Line Items] |  |
Total revenues | (31,296) | (36,394)
Intersegment Elimination | U.S. dialysis |  |
Segment Reporting Information [Line Items] |  |
Total revenues | (27,003) | (32,242)
Intersegment Elimination | Other—Ancillary services |  |
Segment Reporting Information [Line Items] |  |
Total revenues | $ (4,293) | $ (4,152)

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