NOTES PAYABLE AND OTHER LIABILITIES - Long-term debt (Details) - USD ($) $ in Thousands		Jan. 31, 2019	Jan. 31, 2018
Debt Instrument [Line Items]
Less: Net debt issuance costs		$ (7,100)	$ (9,500)
Long-term Debt
Debt Instrument [Line Items]
Subtotal		425,000	437,003
Less: Net debt issuance costs	[1]	(10,014)	(12,626)
Debt discount		(28,382)	(33,333)
Total		386,604	391,044
Senior secured term loan facility (the "Term Loan")
Debt Instrument [Line Items]
Less: Net debt issuance costs		(18,300)
Senior secured term loan facility (the "Term Loan") | Long-term Debt
Debt Instrument [Line Items]
Subtotal		300,000	300,000
Revolving credit facility
Debt Instrument [Line Items]
Less: Net debt issuance costs		(12,400)
Revolving credit facility | Long-term Debt
Debt Instrument [Line Items]
Subtotal			12,003
LVMH Note
Debt Instrument [Line Items]
Debt discount		(40,000)
LVMH Note | Long-term Debt
Debt Instrument [Line Items]
Subtotal		$ 125,000	$ 125,000

[1] Does not include the debt issuance costs, net of amortization, totaling $7.1 million and $9.5 million as of January 31, 2019 and 2018, respectively, related to the new revolving credit facility. The debt issuance costs have been deferred and are classified in prepaid expense in the accompanying Consolidated Balance Sheets as required under ASU 201515.