v3.26.3
Debt, Net - Summary of Net Carrying Amount of Assets Transferred and Related Debt (Detail) - USD ($)
$ in Millions
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Assets      
Restricted cash $ 22.1 $ 20.3 $ 16.8
Equipment on operating leases, net 1,395.2 1,328.5  
Liabilities      
Debt, net 1,837.4 1,750.9  
Nonrecourse      
Liabilities      
Debt, net 1,065.5 979.7  
Leasing GBXL I Asset-backed Term Notes      
Assets      
Restricted cash 12.1 7.6  
Equipment on operating leases, net 936.0 609.7  
Leasing GBXL I Asset-backed Term Notes | Nonrecourse      
Liabilities      
Debt, net $ 729.6 $ 449.6