Equity-Based Compensation - Schedule of Equity-based Compensation Expense by Award Type (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2026	Apr. 30, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	$ 70,616	$ 160,705
Incentive equity units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	0	62,358
Equity appreciation rights
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	0	13,307
Restricted stock awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	1,340	4,952
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	68,916	38,517
ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	344	0
Cash-settled awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total equity-based compensation expense	$ 16	$ 41,571

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details