v3.26.3
Debt - Additional Information (Details) - USD ($)
 1 Months Ended 9 Months Ended 12 Months Ended
Mar. 16, 2026
Mar. 31, 2026
Mar. 31, 2025
Feb. 29, 2020
May 31, 2018
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Debt Instrument [Line Items]                
Revolving credit facilities           $ 500,400,000   $ 600,000
Letters of credit outstanding           27,100,000   40,800,000
Debt outstanding           1,103,300,000   $ 1,103,800,000
Long term debt                
Debt issued           $ 0 $ 500,000,000  
Revolving Credit Facility                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)           1.125%    
Revolving Credit Facility | Term SOFR                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)           1.00%    
Revolving Credit Facility | Federal Funds Rate                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)           0.50%    
Term Loan due March 2027                
Debt Instrument [Line Items]                
Maturity month and year           2027-03   2027-03
Debt outstanding           $ 500,000,000   $ 500,000,000
Term Loan due March 2027 | Term Loan [Member]                
Debt Instrument [Line Items]                
Unsecured Long-Term Debt, Noncurrent     $ 500,000,000          
Maturity month and year     2027-03          
Interest spread in basis points (as a percent)           0.90%    
Long term debt                
Line of credit variable interest rate           4.80%    
Term Loan due March 2027 | Term Loan [Member] | Overnight Bank Funding Rate                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)   0.50%            
Term Loan due March 2027 | Term Loan [Member] | Term SOFR                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)   0.90%            
Term Loan due March 2027 | Term Loan [Member] | Term SOFR                
Debt Instrument [Line Items]                
Interest spread in basis points (as a percent)   1.00%            
2026 Credit Agreement | Minimum                
Debt Instrument [Line Items]                
Revolving credit facility, unused commitment fee rate (as a percent)           0.08%    
2026 Credit Agreement | Maximum                
Debt Instrument [Line Items]                
Revolving credit facility, unused commitment fee rate (as a percent)           0.20%    
2026 Credit Agreement | Revolving Credit Facility                
Debt Instrument [Line Items]                
Line of credit facility, maximum borrowing capacity $ 1,600,000,000              
Revolving credit facilities           $ 0    
Maturity month and year 2031-03              
Letters of credit outstanding           17,300,000    
Available borrowing capacity           $ 1,580,000,000    
2026 Credit Agreement | Letter of Credit                
Debt Instrument [Line Items]                
Letter of credit fees percentage on available borrowing capacity, low end of range (as a percent)           0.438%    
Letter of credit fees percentage on available borrowing capacity, high end of range (as a percent)           1.50%    
Credit Agreement                
Debt Instrument [Line Items]                
Maximum leverage ratio           0.0375    
Maximum leverage ratio in connection with certain material acquisitions           0.0425    
4.600% Senior Notes due May 2028                
Debt Instrument [Line Items]                
Maturity month and year           2028-05   2028-05
Debt outstanding           $ 300,000,000   $ 300,000,000
Long term debt                
Debt issued         $ 300,000,000      
Debt instrument interest rate, stated percentage         4.60% 4.60%   4.60%
Maturity date         May 15, 2028      
Debt instruments                
Debt instrument, fair value           $ 296,000,000   $ 303,000,000
3.100% Senior Notes due March 2030                
Debt Instrument [Line Items]                
Maturity month and year           2030-03   2030-03
Debt outstanding           $ 300,000,000   $ 300,000,000
Long term debt                
Debt issued       $ 300,000,000        
Debt instrument interest rate, stated percentage       3.10%   3.10%   3.10%
Maturity date       Mar. 01, 2030        
Debt instruments                
Debt instrument, fair value           $ 275,000,000   $ 285,000,000
Other Long-term Debt                
Debt Instrument [Line Items]                
Debt outstanding           $ 3,300,000   $ 3,800,000