v3.26.1
Segment Reporting (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Total net revenues $ 4,638,012 $ 4,283,816 $ 9,133,194 $ 8,383,536
Salaries, wages and benefits 2,140,309 2,014,951 4,228,538 3,966,055
Other segment item operating expenses 1,351,958 1,162,566 2,635,886 2,268,318
Depreciation and amortization expense 167,338 152,004 322,764 300,349
Interest expense, net 39,912 35,364 77,045 75,420
Other (income) expense, net (2,363) (8,479) (5,752) (14,138)
Reportable segment income before income taxes 479,126 473,385 948,242 893,813
Operating Segments        
Segment Reporting Information [Line Items]        
Total net revenues 4,635,064 4,281,110 9,127,352 8,377,988
Material Reconciling Items        
Segment Reporting Information [Line Items]        
Total net revenues 2,948 2,706 5,842 5,548
Reportable segment income before income taxes 638,487 623,932 1,288,083 1,222,148
Corporate Nonsegment        
Segment Reporting Information [Line Items]        
Total net revenues 2,948 2,706 5,842 5,548
Other segment item operating expenses [1] 125,366 124,106 274,239 264,584
Interest expense, net 37,338 35,873 72,213 72,592
Other (income) expense, net (395) (6,726) (769) (3,293)
Reportable segment income before income taxes 479,126 473,385 948,242 893,813
Acute Care Hospital Services        
Segment Reporting Information [Line Items]        
Total net revenues 2,609,999 2,403,837 5,220,135 4,761,651
Acute Care Hospital Services | Operating Segments        
Segment Reporting Information [Line Items]        
Total net revenues 2,609,999 2,403,837 5,220,135 4,761,651
Acute Care Hospital Services | Material Reconciling Items        
Segment Reporting Information [Line Items]        
Salaries, wages and benefits 999,864 938,708 1,972,710 1,854,232
Other segment item operating expenses [2] 1,275,546 1,142,886 2,529,903 2,233,584
Depreciation and amortization expense 106,623 96,459 202,941 191,362
Interest (income) expense, net 1,301 (1,613) 2,287 649
Other (income) expense, net (985) (916) (3,117) (9,183)
Reportable segment income before income taxes 227,650 228,313 515,411 491,007
Behavioral Health Services        
Segment Reporting Information [Line Items]        
Total net revenues 2,025,065 1,877,273 3,907,217 3,616,337
Behavioral Health Services | Operating Segments        
Segment Reporting Information [Line Items]        
Total net revenues [3] 2,025,065 1,877,273 3,907,217 3,616,337
Behavioral Health Services | Material Reconciling Items        
Segment Reporting Information [Line Items]        
Salaries, wages and benefits [3] 1,040,604 975,553 2,041,698 1,898,919
Other segment item operating expenses [2],[3] 514,439 452,664 976,639 881,438
Depreciation and amortization expense [3] 58,895 53,170 115,529 104,322
Interest (income) expense, net [3] 1,273 1,104 2,545 2,179
Other (income) expense, net [3] (983) (837) (1,866) (1,662)
Reportable segment income before income taxes [3] 410,837 395,619 772,672 731,141
Other        
Segment Reporting Information [Line Items]        
Total net revenues $ 2,948 $ 2,706 $ 5,842 $ 5,548
[1] Non-segment operating expenses for each period includes salaries, wages and benefits, other operating expenses, supplies expense and lease and rental expense.
[2] Other segment operating expenses for each period includes other operating expenses, supplies expense and lease and rental expense.
[3] Includes net revenues generated from our behavioral health care facilities located in the U.K. amounting to approximately $269 million and $247 million for the three-month periods ended June 30, 2026 and 2025, respectively, and approximately $530 million and $474 million for the six-month periods ended June 30, 2026 and 2025, respectively.