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Goodwill and Intangible Assets, Net - Additional Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Jan. 31, 2025
Finite Lived Intangible Assets [Line Items]          
Liabilities associated with software license at net present value, current $ 4,759,000   $ 4,759,000   $ 7,021,000
Liabilities associated with software license at net present value, non-current 448,000   448,000   $ 2,420,000
Unamortized software licenses with alternative uses to be sold, leased or marketed 7,000,000   7,000,000    
Impairment of goodwill and intangible assets 0 $ 0 0 $ 0  
Software licenses [Member]          
Finite Lived Intangible Assets [Line Items]          
Amortization expense 3,300,000 3,000,000 6,800,000 6,000,000  
Acquired Intangible Assets from Business Combination [Member]          
Finite Lived Intangible Assets [Line Items]          
Amortization expense $ 1,200,000 $ 1,200,000 $ 2,400,000 $ 2,400,000