Segment and Geographic Information (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2018		Jan. 31, 2017		Jan. 31, 2016
Operating segment data
Net sales		$ 149,214	$ 190,693	$ 128,781	$ 99,265	$ 130,785	$ 179,818	$ 128,086	$ 114,063	$ 567,953	[1]	$ 552,752	[1]	$ 594,923	[1]
Operating Income	[2],[3],[4],[5],[6],[7]									43,200		53,981		70,107
Total Assets		645,380				607,802				645,380		607,802
Capital Expenditures										5,810		5,920		8,070
Depreciation and Amortization										13,457		11,507		13,156
Wholesale
Operating segment data
Net sales	[1]									492,082		484,444		530,009
Operating Income	[2],[3],[4],[5],[6],[7]									28,296		41,773		58,242
Total Assets		621,965				584,518				621,965		584,518
Capital Expenditures										3,133		5,666		5,902
Depreciation and Amortization										11,765		9,875		11,561
Wholesale | Owned brands category
Operating segment data
Net sales	[1]									204,897		205,396		219,012
Wholesale | Licensed brands category
Operating segment data
Net sales	[1]									277,323		265,137		297,227
Wholesale | After-sales service and all other
Operating segment data
Net sales	[1]									9,862		13,911		13,770
Retail
Operating segment data
Net sales	[1]									75,871		68,308		64,914
Operating Income	[2],[3],[4],[5],[6],[7]									14,904		12,208		11,865
Total Assets		$ 23,415				$ 23,284				23,415		23,284
Capital Expenditures										2,677		254		2,168
Depreciation and Amortization										$ 1,692		$ 1,632		$ 1,595

[1] The United States and International net sales are net of intercompany sales of $268.1 million, $289.2 million and $309.1 million for the fiscal years ended January 31, 2018, 2017 and 2016, respectively.

[2] Fiscal 2016 Wholesale and United States and International operating income included a $4.0 million charge as a result of actions taken by the Company in fiscal 2016 to achieve greater operating efficiencies and streamline its operations.

[3] Fiscal 2017 Wholesale and United States operating income included a pre-tax charge of $1.8 million, as a result of the immediate vesting of stock awards and certain other compensation related to the announcement of the retirement of the Company’s former Vice Chairman and Chief Operating Officer, in fiscal 2017.

[4] Fiscal 2018 Wholesale and United States and International operating (loss) / income included a charge of $13.6 million as part of the Company’s cost savings initiatives. In fiscal 2018, the Company took actions to better align its global infrastructure with the current business environment by consolidating certain operations and streamlining functions to reduce costs and improve profitability. Also, in light of the changing retail landscape and the growing importance of digital marketing and online sales, the Company decided to cease its participation in the Baselworld Watch and Jewelry Show.

[5] Fiscal 2018 Wholesale and United States and International operating (loss) / income included a charge of $6.8 million related to transaction charges and the amortization of acquisition accounting adjustments associated with the purchase of the Olivia Burton brand.

[6] The International operating income included $41.5 million, $40.0 million and $44.5 million of certain intercompany profits related to the Company’s supply chain operations for the fiscal years ended January 31, 2018, 2017 and 2016, respectively.

[7] The United States operating income included $25.2 million, $26.3 million and $27.0 million of unallocated corporate expenses for the fiscal years ended January 31, 2018, 2017 and 2016, respectively.