v3.26.1
Leases - Aggregate Minimum Future Amounts Payable Under Operating Leases (Detail) - USD ($)
$ in Millions
May 31, 2026
Aug. 31, 2025
Leases [Abstract]    
Remaining three months of 2026 $ 4.6  
2027 15.6  
2028 14.5  
2029 12.8  
2030 9.6  
Thereafter 30.1  
Total lease payments 87.2  
Less: Imputed interest (13.4)  
Operating Lease, Liability $ 73.8 $ 84.9
Operating Lease, Liability, Statement of Financial Position [Extensible List] Accounts payable and accrued liabilities Accounts payable and accrued liabilities