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Business Segment Information - Additional Information (Details)
12 Months Ended
Jan. 31, 2026
Segment Reporting [Abstract]  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer [Member], srt:PresidentMember
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description The CODM uses segment operating income (loss) as a measure of profit or loss.