Share-Based Compensation - Performance Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 64,677	$ 52,846	$ 123,230	$ 108,395
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 900		$ 1,600
Number of PSUs
Outstanding, beginning of period (in shares)			1,326,570
Granted (in shares)			219,301
Released (in shares)			0
Forfeited (in shares)			(993,200)
Outstanding, end of period (in shares)	552,671		552,671
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)			15.46
Outstanding, end of period (in USD per share)	$ 19.31		$ 19.31
Cost not yet recognized amount	$ 4,600		$ 4,600
Cost not yet recognized, period for recognition			1 year 2 months 12 days
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			0.00%
Award vesting period			1 year
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			225.00%
Award vesting period			4 years