Equity-based compensation - Schedule of Stock - Based Compensation by Type of Award (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 17,188	$ 17,475
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	11,323	12,899
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	2,804	1,644
Liability awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	2,697	2,525
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	364	370
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock based compensation	$ 0	$ 37