v3.26.3
Long-term Debt - Additional Information (Details)
1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended
Mar. 09, 2026
USD ($)
Aug. 31, 2026
USD ($)
May 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
Mar. 08, 2026
USD ($)
Sep. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]                      
Borrowings on revolving credit facility                 $ 745,000,000.0 $ 140,000,000.0  
Loss on early extinguishment of debt           $ 0   $ 0 3,400,000 $ 0  
Line of Credit | Advances under revolving credit facility                      
Debt Instrument [Line Items]                      
Debt redeemed     $ 100,000,000                
EHC Credit Agreement | Swingline Subfacility                      
Debt Instrument [Line Items]                      
Credit facility borrowing capacity $ 40,000,000       $ 25,000,000            
EHC Credit Agreement | Line of Credit                      
Debt Instrument [Line Items]                      
Unused capacity 0.0005                    
Spread on variable rate (in percent)         0.10%            
EHC Credit Agreement | Line of Credit | Advances under revolving credit facility                      
Debt Instrument [Line Items]                      
Borrowings on revolving credit facility       $ 250,000,000.0              
Total debt           $ 75,000,000.0     $ 75,000,000.0   $ 130,000,000.0
Applicable interest rate under credit facility (percent)           5.20%     5.20%   5.90%
5.875% Senior Notes due 2034 | Senior Notes                      
Debt Instrument [Line Items]                      
Total debt           $ 588,200,000     $ 588,200,000   $ 0
Debt instrument, face amount   $ 100,000,000 $ 500,000,000                
Effective interest rate (in percent)     5.875%     5.875%     5.875%   5.875%
Proceeds from debt, net of issuance costs   $ 97,000,000 $ 491,000,000                
Redemption price, percentage   98.75%                  
4.50% Senior Notes due 2028 | Senior Notes                      
Debt Instrument [Line Items]                      
Total debt           $ 397,400,000     $ 397,400,000   $ 792,000,000.0
Debt instrument, face amount     $ 800,000,000                
Effective interest rate (in percent)     4.50%     4.50%     4.50%   4.50%
Debt redeemed     $ 400,000,000                
Loss on early extinguishment of debt             $ 3,200,000