NOTES PAYABLE AND OTHER LIABILITIES - Long-term debt (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021	Jul. 31, 2020
Debt Instrument [Line Items]
Total	$ 512,017	$ 507,950	$ 405,003
Long-term Debt
Debt Instrument [Line Items]
Subtotal	538,430	537,126	434,931
Less: Net debt issuance costs	(6,794)	(7,643)	(6,095)
Debt discount	(13,995)	(17,131)	(20,116)
Current portion of long-term debt	(5,624)	(4,402)	(3,717)
Secured notes
Debt Instrument [Line Items]
Debt issuance costs	8,500
Secured notes \| Long-term Debt
Debt Instrument [Line Items]
Subtotal	400,000	400,000
Term Loan \| Long-term Debt
Debt Instrument [Line Items]
Subtotal			300,000
Revolving credit facility
Debt Instrument [Line Items]
Debt issuance costs	6,400	7,200	3,300
LVMH Note
Debt Instrument [Line Items]
Debt discount	(40,000)
LVMH Note \| Long-term Debt
Debt Instrument [Line Items]
Subtotal	125,000	125,000	125,000
Unsecured Loan \| Long-term Debt
Debt Instrument [Line Items]
Subtotal	8,930	9,119	6,401
Overdraft facilities \| Long-term Debt
Debt Instrument [Line Items]
Subtotal	$ 4,500	$ 3,007	$ 3,530

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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