Segment Information - Net Revenue by Location (Details) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Segment Reporting Information
Net revenue	$ 260,251	$ 536,691
Product sales
Segment Reporting Information
Net revenue	247,317	517,873
Product sales | U.S.
Segment Reporting Information
Net revenue	69,465	164,371
Product sales | South Korea
Segment Reporting Information
Net revenue	21,224	33,917
Product sales | Italy
Segment Reporting Information
Net revenue	19,352	50,435
Product sales | Canada
Segment Reporting Information
Net revenue	16,677	38,581
Product sales | Spain
Segment Reporting Information
Net revenue	12,996	27,997
Product sales | Other foreign countries
Segment Reporting Information
Net revenue	107,603	202,572
Net royalties
Segment Reporting Information
Net revenue	$ 12,934	$ 18,818