v3.26.1
Restructuring - Summary of Restructuring Cost and Liability by Type (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Restructuring Cost and Reserve [Line Items]      
Beginning Balance $ 244 $ 0 $ 0
Charges recognized 360 558 1,357
Cash payments (484)   (1,113)
Ending Balance 120   244
Severance and Employee Related Costs [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 244 0 0
Charges recognized 360   1,267
Cash payments (484)   (1,023)
Ending Balance 120   244
Other [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 0 $ 0 0
Charges recognized 0   90
Cash payments 0   (90)
Ending Balance $ 0   $ 0