PROPERTY AND EQUIPMENT - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 315,347	$ 288,412
Less: accumulated depreciation	(246,029)	(233,328)
Property and equipment, net	$ 69,318	$ 55,084
Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	5 years	5 years
Property and equipment, gross	$ 2,263	$ 2,586
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 92,516	$ 91,329
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	3 years	3 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	13 years	13 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 148,789	$ 134,540
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	3 years	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	5 years	5 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 71,779	$ 59,957
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	2 years	2 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	5 years	5 years