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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Oct. 31, 2023
Loss Contingencies [Line Items]      
Contingent liability under purchase agreements for future chassis inventory purchases $ 24.4   $ 8.8
Repurchase agreement 2 years    
Represents the gross value of all vehicles under repurchase agreements $ 483.9   490.1
Aggregate amount of indebtedness which the Company is a party to through guarantee agreements $ 26.4   27.2
Guarantee agreement 5 years    
Loss on litigation settlements   $ 11.5  
Additional loss on litigation settlements   $ 1.0  
Maximum [Member]      
Loss Contingencies [Line Items]      
Estimated loss exposure under contract $ 4.8   $ 5.4