Segment and Geographic Information - Geographic Location Data (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020		Oct. 31, 2019		Jan. 31, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales		$ 169,863	$ 205,618	$ 328,067		$ 509,983
Operating (Loss)/Income	[1],[2]	23,067	22,638	(168,012)	[3]	36,388	[3]
Total Assets	[4],[5]	701,778	867,055	701,778		867,055		$ 847,308
Property, Plant and Equipment, Net		24,002	29,275	24,002		29,275		29,238
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[6]	65,485	85,634	128,785		211,657
Operating (Loss)/Income	[1],[2],[6]	(6,684)	(7,077)	(140,993)	[3]	(19,280)	[3]
Total Assets	[4]	300,351	465,630	300,351		465,630		425,018
Property, Plant and Equipment, Net		15,884	19,613	15,884		19,613		18,852
International
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[7]	104,378	119,984	199,282		298,326
Operating (Loss)/Income	[1],[2],[7]	29,751	29,715	(27,019)	[3]	55,668	[3]
Total Assets	[4]	401,427	401,425	401,427		401,425		422,290
Property, Plant and Equipment, Net		$ 8,118	$ 9,662	$ 8,118		$ 9,662		$ 10,386

[1] For the three months ended October 31, 2020, in the United States locations and the International locations of the Watch and Accessory Brands segment, operating (loss)/income included a charge of $0.6 million and $0.2 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 nine months ended October 31, 2020, in the United States locations and the International locations of the Watch and Accessory Brands segment, operating loss included a charge of $11.9 million and $3.5 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 October 31, 2020 and 2019, and for the nine months ended October 31, 2020 and 2019, in the United States locations of the Watch and Accessory Brands segment, operating loss included a charge of $0.5 million, $0.9 million, $1.5 million and $3.5 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 October 31, 2020 and 2019, and for the nine months ended October 31, 2020 and 2019, operating income/(loss) included a charge of $0.6 million, $0.7 million, $2.0 million and $2.1 million, respectively, 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 nine months ended October 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 nine months ended October 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 October 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 October 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 October 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 $16.3 million and $15.4 million of unallocated corporate expenses for the three months ended October 31, 2020 and 2019, respectively. The United States operating loss included $28.4 million and $28.5 million of unallocated corporate expenses for the nine months ended October 31, 2020 and 2019, respectively.  

[7] The International operating income included $23.0 million and $24.5 million of certain intercompany profits related to the Company’s supply chain operations for the three months ended October 31, 2020 and 2019, respectively. The International operating (loss)/income included $45.3 million and $52.3 million of certain intercompany profits related to the Company’s supply chain operations for the nine months ended October 31, 2020 and 2019, respectively.