Segment and Geographic Information - Geographic Location 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
Revenues From External Customers And Long Lived Assets [Line Items]
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
Property, Plant and Equipment, Net		25,888	28,248	25,888		28,248		29,238
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[6]	34,766	66,529	63,300		126,023
Operating (Loss)/Income	[1],[2],[6]	(14,319)	(3,251)	(134,309)	[3]	(12,203)	[3]
Total Assets	[4]	313,411	397,502	313,411		397,502		425,018
Property, Plant and Equipment, Net		16,825	18,793	16,825		18,793		18,852
International
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[7]	53,772	91,287	94,904		178,342
Operating (Loss)/Income	[1],[2],[7]	5,403	12,027	(56,770)	[3]	25,953	[3]
Total Assets	[4]	366,278	443,129	366,278		443,129		422,290
Property, Plant and Equipment, Net		$ 9,063	$ 9,455	$ 9,063		$ 9,455		$ 10,386

[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.      

[6] The United States operating loss included $6.1 million and $4.1 million of unallocated corporate expenses for the three months ended July 31, 2020 and 2019, respectively. The United States operating loss included $12.1 million and $13.1 million of unallocated corporate expenses for the six months ended July 31, 2020 and 2019, respectively.  

[7] The International operating income included $11.2 million and $14.8 million of certain intercompany profits related to the Company’s supply chain operations for the three months ended July 31, 2020 and 2019, respectively. The International operating (loss)/income included $22.3 million and $27.8 million of certain intercompany profits related to the Company’s supply chain operations for the six months ended July 31, 2020 and 2019, respectively.