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Financial Instruments and Risk Management - Schedule of Net Investment Hedges (Detail) - Euro Denominated Debt [Member] - Designated as Hedging Instrument [Member] - Net Investment Hedge [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2025
Jul. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Foreign Currency Translation Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivative $ (5) $ (477)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax