Share-Based Compensation - Performance Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 58,553	$ 55,549
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Share-based payment arrangement, expense	$ 600
Number of PSUs
Outstanding, beginning of period (in shares)	1,326,570
Granted (in shares)	219,300
Released (in shares)	0
Forfeited (in shares)	(61,877)
Outstanding, end of period (in shares)	1,483,993
Weighted-Average Grant Date Fair Value
Outstanding, beginning of period (in USD per share)	$ 15.97
Granted (in USD per share)	22.09
Released (in USD per share)	0
Forfeited (in USD per share)	15.22
Outstanding, end of period (in USD per share)	$ 16.91
Cost not yet recognized amount	$ 7,400
Cost not yet recognized, period for recognition	1 year 7 months 6 days
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	225.00%