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Summary of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | $ 3,909,456 | $ 3,962,624 |
Goodwill acquired during the period | 4,598 | 0 |
Goodwill divested during the period | (6,062) | 0 |
Adjustments to goodwill | 24,415 | (53,168) | [1]
Goodwill, Ending Balance | 3,932,407 | 3,909,456 |
Acute Care Services |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | 516,626 | 515,936 |
Goodwill acquired during the period | 0 | 0 |
Goodwill divested during the period | 0 | 0 |
Adjustments to goodwill | 2 | 690 | [1]
Goodwill, Ending Balance | 516,628 | 516,626 |
Behavioral Health Services |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | 3,392,830 | 3,446,688 |
Goodwill acquired during the period | 4,598 | 0 |
Goodwill divested during the period | (6,062) | 0 |
Adjustments to goodwill | 24,413 | (53,858) | [1]
Goodwill, Ending Balance | $ 3,415,779 | $ 3,392,830 |
[1] | The changes in the Behavioral Health Services’ goodwill consist of foreign currency translation adjustments.

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