Segment and Geographic Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Apr. 30, 2018	Apr. 30, 2017	Jan. 31, 2018
Operating segment data
Net sales		$ 127,149	$ 99,265
Operating Income / (Loss)	[1],[2]	8,139	(3,648)
Total Assets		612,132	595,041	$ 645,380
Wholesale
Operating segment data
Net sales		112,099	87,160
Operating Income / (Loss)	[1],[2]	6,366	(4,488)
Total Assets		587,052	570,552	621,965
Wholesale | Owned brands category
Operating segment data
Net sales		41,583	33,142
Wholesale | Licensed brands category
Operating segment data
Net sales		65,850	51,369
Wholesale | After-sales service and all other
Operating segment data
Net sales		4,666	2,649
Retail
Operating segment data
Net sales		15,050	12,105
Operating Income / (Loss)	[1],[2]	1,773	840
Total Assets		$ 25,080	$ 24,489	$ 23,415

[1] In the International location of the Wholesale segment, for the three months ended April 30, 2018, operating income included $0.8 million of expenses primarily related to the amortization of acquired intangible assets, as a result of the Company’s acquisition of the Olivia Burton brand.

[2] In the United States and International locations of the Wholesale segment, for the three months ended April 30, 2017, operating (loss) / income included a pre-tax charge of $3.8 million and $2.5 million, respectively, as a result of the Company’s cost savings initiatives.