Goodwill and Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jul. 31, 2020	Apr. 30, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019	Jan. 31, 2020	Oct. 01, 2018
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived assets, impairment charges				$ 22,165,000
Long-lived intangible assets	$ 18,071,000			18,071,000		$ 42,359,000
Goodwill	0		$ 131,936,000	0	$ 131,936,000	136,366,000
Amortization expense for intangible assets	800,000		$ 1,500,000	2,108,000	$ 3,100,000
Watch and Accessory Brands
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived assets, impairment charges		$ 22,200,000
Impairment charges related to goodwill		133,700,000		133,700,000
Company Stores
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	0			0
Trade Names
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived assets, impairment charges				18,595,000
Long-lived intangible assets	11,259,000			11,259,000		31,075,000
Amortization expense for intangible assets				1,098,000
Customer Relationships
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived assets, impairment charges				3,570,000
Long-lived intangible assets	$ 5,768,000			5,768,000		$ 10,154,000
Amortization expense for intangible assets				$ 841,000
MVMT Watches, Inc.
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill							$ 77,500,000
MVMT Watches, Inc. | Trade Names
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived intangible assets		2,400,000
MVMT Watches, Inc. | Customer Relationships
Schedule Of Goodwill And Intangible Assets [Line Items]
Long-lived intangible assets		$ 0