PROPERTY AND EQUIPMENT - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 268,838	$ 225,670
Less: accumulated depreciation	(215,096)	(176,865)
Property and equipment, net	$ 53,742	$ 48,805
Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of fixed assets	5 years	5 years
Property and equipment, gross	$ 2,437	$ 1,882
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 83,768	$ 77,491
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	$ 130,340	$ 102,813
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	10 years	10 years
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 52,293	$ 43,484
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