Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021	Jul. 31, 2020
Level 2 | Secured notes
Debt Instrument [Line Items]
Debt instruments, carrying value	$ 400,000	$ 400,000
Debt instruments, fair value	400,000	400,000
Level 2 | Term Loan
Debt Instrument [Line Items]
Debt instruments, carrying value			$ 300,000
Debt instruments, fair value			300,000
Level 2 | Unsecured Loan
Debt Instrument [Line Items]
Debt instruments, carrying value	8,930	9,119	6,401
Debt instruments, fair value	8,930	9,119	6,401
Level 2 | Overdraft facilities
Debt Instrument [Line Items]
Debt instruments, carrying value	4,500	3,007	3,530
Debt instruments, fair value	4,500	3,007	3,530
Level 3 | LVMH Note
Debt Instrument [Line Items]
Debt instruments, carrying value	111,005	107,869	104,884
Debt instruments, fair value	$ 105,885	$ 101,810	$ 102,304