v3.26.1
Indebtedness - Bank Debt - Additional Information (Detail) - Bank Credit Facility
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Commercialbank
Jun. 30, 2025
Jun. 30, 2026
USD ($)
Commercialbank
Jun. 30, 2025
Mar. 31, 2026
USD ($)
Debt Instrument [Line Items]          
Bank credit facility, maximum amount $ 4,000.0   $ 4,000.0    
Bank credit facility, borrowing base 3,000.0   3,000.0   $ 3,000.0
Bank commitments $ 2,000.0   $ 2,000.0   $ 2,000.0
Number of commercial banks included in current bank group | Commercialbank 17   17    
Maturity date of loan     Oct. 02, 2030    
Bank debt outstanding balance $ 381.0   $ 381.0    
Undrawn letters of credit 165.1   165.1    
Borrowing capacity available under the commitment amount $ 1,500.0   $ 1,500.0    
Annual rate of commitment fee paid on the undrawn balance     0.375%    
Weighted average interest rate on the bank credit facility 5.40% 6.40% 5.60% 6.40%  
Alternate Base Rate          
Debt Instrument [Line Items]          
Interest rate margin     0.75%    
SOFR          
Debt Instrument [Line Items]          
Interest rate margin     1.75%    
Minimum          
Debt Instrument [Line Items]          
Annual rate of commitment fee paid on the undrawn balance     0.375%    
Minimum | Alternate Base Rate          
Debt Instrument [Line Items]          
Interest rate on notes 0.75%   0.75%    
Minimum | SOFR          
Debt Instrument [Line Items]          
Interest rate on notes 1.75%   1.75%    
Maximum          
Debt Instrument [Line Items]          
Annual rate of commitment fee paid on the undrawn balance     0.50%    
Maximum | Alternate Base Rate          
Debt Instrument [Line Items]          
Interest rate on notes 1.75%   1.75%    
Maximum | SOFR          
Debt Instrument [Line Items]          
Interest rate on notes 2.75%   2.75%