Segment Information - Net Revenue by Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Segment Reporting Information
Net revenue	$ 569,284	$ 615,944	$ 1,228,074	$ 1,835,855
Product sales
Segment Reporting Information
Net revenue	549,851	593,736	1,183,560	1,776,287
Product sales | U.S.
Segment Reporting Information
Net revenue	116,205	164,807	282,872	505,735
Product sales | Italy
Segment Reporting Information
Net revenue	77,050	61,952	133,073	198,884
Product sales | Germany
Segment Reporting Information
Net revenue	43,321	32,619	88,059	83,357
Product sales | South Korea
Segment Reporting Information
Net revenue	32,681	38,596	82,997	105,411
Product sales | Canada
Segment Reporting Information
Net revenue	31,691	47,042	72,542	129,624
Product sales | Spain
Segment Reporting Information
Net revenue	30,217	33,511	63,594	101,408
Product sales | France
Segment Reporting Information
Net revenue	31,836	28,478	61,291	85,373
Product sales | Other foreign countries
Segment Reporting Information
Net revenue	186,850	186,731	399,132	566,495
Net royalties
Segment Reporting Information
Net revenue	$ 19,433	$ 22,208	$ 44,514	$ 59,568