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Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2018
Mar. 29, 2018
Jul. 28, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name Lands' End, Inc.    
Entity Central Index Key 0000799288    
Current Fiscal Year End Date --02-02    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Feb. 02, 2018    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   32,131,970  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 106.5