XML 65 R52.htm IDEA: XBRL DOCUMENT v3.25.0.1
Summary of Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Oct. 01, 2024
USD ($)
Segment
Aug. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Significant Accounting Policies [Line Items]          
Unfavorable adjustment for professional and general liability claims     $ 10,100,000 $ 5,300,000  
Professional and general liability reserve     87,500,000 109,400,000  
Professional and general liability reserve current     12,500,000 12,500,000  
Professional and general liability reserve noncurrent     75,000,000 96,900,000  
Insurance receivable     9,300,000 62,300,000  
Insurance receivable - current portion     452,000 33,579,000  
Insurance receivable noncurrent     8,800,000 28,700,000  
Workers compensation insurance claims deductible per accident     500,000    
Reserve for workers compensation liability     30,700,000 26,800,000  
Accrued salaries and benefits     12,000,000 12,000,000.0  
Other long-term liabilities     18,700,000 14,800,000  
Depreciation expense     $ 149,600,000 $ 132,300,000 $ 117,800,000
Impairment of long-lived assets $ 0        
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Other operating expenses        
Number of reporting units | Segment 1        
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]     Asset Impairment Charges Asset Impairment Charges  
Non-cash impairment charge related to indefinite-lived assets     $ 3,500,000 $ 5,400,000  
Change in accounting principle, accounting standards update, adopted [true false]     true    
Change in accounting principle, accounting standards update, adoption date     Dec. 31, 2024    
Change in accounting principle, accounting standards update, immaterial effect [true false]     true    
Accounting standards update [extensible enumeration]     Accounting Standards Update 2023-07 [Member]    
Loss on Impairment [Member]          
Significant Accounting Policies [Line Items]          
Non-cash property impairment charge relating to closure of facilities     $ 12,400,000 $ 2,000,000  
Maximum [Member]          
Significant Accounting Policies [Line Items]          
Maximum self insured professional liability limit per claim   $ 7,000,000 10,000,000    
Maximum professional liability retention limit     25,000,000    
Maximum professional liability aggregate policy limit   78,000,000 $ 80,000,000    
Maximum [Member] | Building and Improvements [Member]          
Significant Accounting Policies [Line Items]          
Property plant and equipment estimated useful life     50 years    
Maximum [Member] | Equipment [Member]          
Significant Accounting Policies [Line Items]          
Property plant and equipment estimated useful life     7 years    
Minimum [Member]          
Significant Accounting Policies [Line Items]          
Maximum professional liability retention limit   10,000,000 $ 15,000,000    
Maximum professional liability aggregate policy limit   $ 75,000,000 $ 75,000,000    
Minimum [Member] | Building and Improvements [Member]          
Significant Accounting Policies [Line Items]          
Property plant and equipment estimated useful life     10 years    
Minimum [Member] | Equipment [Member]          
Significant Accounting Policies [Line Items]          
Property plant and equipment estimated useful life     3 years