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Acquisitions (Details Textual)
£ in Millions
 3 Months Ended 6 Months Ended
Jul. 03, 2017
USD ($)
Jul. 03, 2017
GBP (£)
Jul. 31, 2018
USD ($)
Jul. 31, 2018
USD ($)
Jul. 31, 2017
USD ($)
Business Acquisition [Line Items]          
Business acquisition, net of cash acquired         $ 78,991,000
International | Wholesale          
Business Acquisition [Line Items]          
Expenses primarily related to amortization of acquired intangible assets     $ 700,000 $ 1,500,000  
Olivia Burton Brand          
Business Acquisition [Line Items]          
Estimated amortization expense, remainder of fiscal year 2019     1,400,000 1,400,000  
Estimated amortization expense, fiscal year 2020     12,800,000 12,800,000  
Estimated amortization expense, fiscal year 2021     12,800,000 12,800,000  
Estimated amortization expense, fiscal year 2022     12,800,000 12,800,000  
Estimated amortization expense, fiscal year 2023     12,800,000 12,800,000  
Estimated amortization expense, fiscal year 2024     12,800,000 12,800,000  
Estimated amortization expense, total in the years thereafter     $ 4,400,000 $ 4,400,000  
Olivia Burton Brand | JLB Brands Ltd          
Business Acquisition [Line Items]          
Business acquisition, purchase price in cash subject to working capital and other closing adjustments $ 78,200,000 £ 60.0      
Business acquisition, net of cash acquired 79,000,000 60.7      
Business acquisition, cash acquired 5,900,000 £ 4.5      
Business acquisition, debt assumed $ 0