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Employee Benefit Plan (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2024
Jul. 31, 2023
Restructuring Cost and Reserve [Line Items]        
Defined contribution plan, cost $ 0.4 $ 0.6 $ 1.8 $ 2.1
ISRAEL        
Restructuring Cost and Reserve [Line Items]        
Severance costs $ 0.8 $ 0.9 $ 1.7 $ 1.8