Segment and Geographic Information - Geographic Location Data (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021		Jul. 31, 2020		Jan. 31, 2021
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales		$ 173,874	$ 88,538	$ 308,672		$ 158,204
Operating Income/(Loss)	[1],[2]	24,633	(8,916)	37,889	[3]	(191,079)	[3]
Total Assets		710,898	679,689	710,898		679,689		$ 719,257
Property, Plant and Equipment, Net		19,656	25,888	19,656		25,888		22,349
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[4]	85,487	34,766	151,380		63,300
Operating Income/(Loss)	[1],[2],[4]	8,820	(14,319)	9,579	[3]	(134,309)	[3]
Total Assets		350,187	313,411	350,187		313,411		352,517
Property, Plant and Equipment, Net		13,014	16,825	13,014		16,825		14,792
International
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	[5]	88,387	53,772	157,292		94,904
Operating Income/(Loss)	[1],[2],[5]	15,813	5,403	28,310	[3]	(56,770)	[3]
Total Assets		360,711	366,278	360,711		366,278		366,740
Property, Plant and Equipment, Net		$ 6,642	$ 9,063	$ 6,642		$ 9,063		$ 7,557

[1] For the three months ended July 2020, in the United States locations and the International locations of the Watch and Accessory Brands segment, operating (loss)/income 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 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, 2021 and 2020, and for the six months ended July 31, 2021 and 2020, in the United States locations of the Watch and Accessory Brands segment, operating income/(loss) included a charge of $0.1 million, $0.3 million, $0.2 million and $1.0 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, 2021 and 2020, and for the six months ended July 31, 2021 and 2020, operating income/(loss) included a charge of $0.7 million, $0.7 million, $1.4 and $1.4 million, respectively, 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 United States operating income/(loss) included $13.0 million and $6.1 million of unallocated corporate expenses for the three months ended July 31, 2021 and 2020, respectively. The United States operating income/(loss) included $21.9 million and $12.1 million of unallocated corporate expenses for the six months ended July 31, 2021 and 2020, respectively.

[5] The International operating income included $16.9 million and $11.2 million of certain intercompany profits related to the Company’s supply chain operations for the three months ended July 31, 2021 and 2020, respectively. The International operating income/(loss) included $30.8 million and $22.3 million of certain intercompany profits related to the Company’s supply chain operations for the six months ended July 31, 2021 and 2020, respectively.