Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Jan. 31, 2018	Oct. 31, 2017
Debt Instrument [Line Items]
Debt instruments, carrying value	$ 734,599	$ 437,003	$ 774,648
Term loan
Debt Instrument [Line Items]
Debt instruments, carrying value	300,000	300,000	300,000
Revolving credit facility
Debt Instrument [Line Items]
Debt instruments, carrying value	309,599	12,003	349,648
Note issued to LVMH
Debt Instrument [Line Items]
Debt instruments, carrying value	125,000	125,000	125,000
Level 2 | Term loan
Debt Instrument [Line Items]
Debt instruments, carrying value	300,000	300,000	300,000
Debt instruments, fair value	300,000	300,000	300,000
Level 2 | Revolving credit facility
Debt Instrument [Line Items]
Debt instruments, carrying value	309,599	12,003	349,648
Debt instruments, fair value	309,599	12,003	349,648
Level 3 | Note issued to LVMH
Debt Instrument [Line Items]
Debt instruments, carrying value	95,345	91,667	90,239
Debt instruments, fair value	$ 95,345	$ 91,667	$ 90,239