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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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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SIGNIFICANT ACCOUNTING POLICIES - Carrying Values and the Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Apr. 15, 2019	Jan. 31, 2019	Dec. 01, 2016
Senior secured term loan facility (the "Term Loan")
Debt Instrument [Line Items]
Debt instruments, carrying value				$ 300,000
LVMH Note
Debt Instrument [Line Items]
Debt instrument interest rate	2.00%
Debt discount	$ 40,000
Unsecured Loan
Debt Instrument [Line Items]
Debt instrument interest rate		1.50%
Level 2 \| Senior secured term loan facility (the "Term Loan")
Debt Instrument [Line Items]
Debt instruments, carrying value	300,000		$ 300,000
Debt instruments, fair value	300,000		300,000
Level 2 \| Unsecured Loan
Debt Instrument [Line Items]
Debt instruments, carrying value	2,860
Debt instruments, fair value	2,860
Level 3 \| LVMH Note
Debt Instrument [Line Items]
Debt instruments, carrying value	102,009		96,618
Debt instruments, fair value	$ 95,126		$ 88,608