STOCK-BASED COMPENSATION - Employee Stock Purchase Plan Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2025	Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 68,655	$ 58,553
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 1,600	$ 1,700

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