Employee Benefit Plan (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Restructuring Cost and Reserve [Line Items]
Defined contribution plan, cost	$ 0.6	$ 0.9	$ 2.1	$ 1.4
ISRAEL
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 0.9	$ 1.0	$ 1.8	$ 2.0