SEGMENT, GEOGRAPHIC, AND SIGNIFICANT CUSTOMER INFORMATION - Property and equipment, net (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 47,704	$ 64,810
United States
Property, Plant and Equipment [Line Items]
Property and equipment, net	34,818	50,917
United Kingdom
Property, Plant and Equipment [Line Items]
Property and equipment, net	5,797	7,244
Other countries
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 7,089	$ 6,649

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant