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Business Risk (Narrative) (Details) - Supplier Concentration Risk [Member] - Sales Revenue Net [Member]
12 Months Ended
Feb. 01, 2020
Product Information [Line Items]  
Concentration Risk, Percentage 41.00%
Nike, Inc. [Member]  
Product Information [Line Items]  
Concentration Risk, Percentage 30.00%
Skechers USA, Inc. [Member]  
Product Information [Line Items]  
Concentration Risk, Percentage 11.00%