Segment and Geographic Information - Operating Segment Data (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020		Jul. 31, 2019		Jan. 31, 2020
Operating segment data
Net sales		$ 88,538	$ 157,816	$ 158,204		$ 304,365
Operating (Loss)/Income	[1],[2]	(8,916)	8,776	(191,079)	[3]	13,750	[3]
Total Assets	[4],[5]	679,689	840,631	679,689		840,631		$ 847,308
Watch and Accessory Brands
Operating segment data
Net sales		78,189	136,806	141,475		268,301
Operating (Loss)/Income	[2]	(9,945)	5,698	(189,566)	[1],[3]	8,793	[1],[3]
Total Assets	[5]	618,419	772,653	618,419		772,653		782,339
Watch and Accessory Brands | Owned brands category
Operating segment data
Net sales		31,622	56,690	56,983		108,609
Watch and Accessory Brands | Licensed brands category
Operating segment data
Net sales		46,414	77,486	82,098		150,281
Watch and Accessory Brands | After-sales service and all other
Operating segment data
Net sales		153	2,630	2,394		9,411
Company Stores
Operating segment data
Net sales		10,349	21,010	16,729		36,064
Operating (Loss)/Income	[2]	1,029	3,078	(1,513)	[1],[3]	4,957	[1],[3]
Total Assets	[5]	$ 61,270	$ 67,978	$ 61,270		$ 67,978		$ 64,969

[1] For the three months ended July 31, 2020, in the United States locations and the International locations of the Watch and Accessory Brands segment, operating loss included a charge of $6.6 million and $0.8 million, respectively, related to the corporate initiatives that the Company took in response to the impact on its business due to the COVID-19 pandemic. For the six months ended July 31, 2020, in the United States locations and the International locations of the Watch and Accessory Brands segment, operating loss included a charge of $11.3 million and $3.3 million, respectively, related to the corporate initiatives that the Company took in response to the impact on its business due to the COVID-19 pandemic.

[2] For the three months ended July 31, 2020 and 2019, and for the six months ended July 31, 2020 and 2019, in the United States locations of the Watch and Accessory Brands segment, operating loss included a charge of $0.3 million, $1.1 million, $1.0 million and $2.6 million, respectively, related to the amortization of intangible assets, deferred compensation and certain acquisition accounting adjustments associated with the MVMT brand. In addition, in the International locations of the Watch and Accessory Brands segment for the three months ended July 31, 2020 and 2019, and for the six months ended July 31, 2020 and 2019, operating (loss)/income included, $0.7 million and $1.4 million, respectively for both periods, of expenses primarily related to the amortization of acquired intangible assets, as a result of the Company’s acquisition of the Olivia Burton brand.  

[3] For the six months ended July 31, 2020, in the United States locations of the Watch and Accessory Brands segment, operating loss included a charge of $99.7 million, related to the impairment of goodwill and intangible assets associated with the MVMT brand. In addition, in the International locations of the Watch and Accessory Brands segment, for the six months ended July 31, 2020, operating loss included a charge of $56.2 million related to the impairment of goodwill associated with the Olivia Burton brand and City Time Joint Venture.

[4] The decrease in the United States total assets at July 31, 2020 from January 31, 2020 is primarily due to the impairment charges related to goodwill of $77.5 million and $22.2 million related to intangible assets. The decrease in the International total assets at July 31, 2020 from January 31, 2020 is primarily due to the impairment charge related to goodwill of $56.2 million.          

[5] The decrease in total assets of the Watch and Accessory Brands segment at July 31, 2020 from January 31, 2020 is due primarily to the impairment charges related to goodwill of $133.7 million and $22.2 million related to intangible assets.