Segment and Geographic Information - Geographic Location Data (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Apr. 30, 2020	Jul. 31, 2021	Jul. 31, 2020
Segment Reporting Information [Line Items]
Charge related to the amortization of intangible assets	$ 900	$ 800		$ 1,806	$ 2,100
Charge related to the impairment of goodwill and intangible assets	0	0		0	155,919
Watch and Accessory Brands
Segment Reporting Information [Line Items]
Charge related to the impairment of goodwill			$ 133,700
United States
Segment Reporting Information [Line Items]
Unallocated corporate expenses	13,000	6,100		21,900	12,100
United States | Watch and Accessory Brands
Segment Reporting Information [Line Items]
Charge related to the corporate initiatives		6,600			11,300
United States | Watch and Accessory Brands | MVMT Watches, Inc.
Segment Reporting Information [Line Items]
Charge related to the amortization of intangible assets	100	300		200	1,000
Charge related to the impairment of goodwill and intangible assets					99,700
International
Segment Reporting Information [Line Items]
Profits related to the company's supply chain operations	16,900	11,200		30,800	22,300
International | Watch and Accessory Brands
Segment Reporting Information [Line Items]
Charge related to the corporate initiatives		800			3,300
International | Watch and Accessory Brands | JLB Brands Ltd
Segment Reporting Information [Line Items]
Charge related to the amortization of intangible assets	$ 700	$ 700		$ 1,400	1,400
International | Watch and Accessory Brands | Olivia Burton Band and City Time Joint Venture
Segment Reporting Information [Line Items]
Charge related to the impairment of goodwill					$ 56,200