SEGMENTS - Information of Total Assets for Company's Reportable Segments (Detail 1) - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016
Segment Reporting Information [Line Items]
Total assets	$ 1,851,944	$ 1,184,070
Corporate
Segment Reporting Information [Line Items]
Total assets	146,333	210,599
Operating Segments | Wholesale
Segment Reporting Information [Line Items]
Total assets	1,477,259	763,353
Operating Segments | Retail
Segment Reporting Information [Line Items]
Total assets	$ 228,352	$ 210,118