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Related Party Agreements and Transactions - Schedule of Related Party Costs (Parenthetical) (Details) - Store | 12 Months Ended
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Jan. 31, 2020 | Feb. 01, 2019 | Feb. 02, 2018
Sears Holdings Corporation |  |  |
Related Party Transaction [Line Items] |  |  |
Number of Lands' End Shops at Sears closed in period | 49 | 125 | 42

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- Definition Related party transaction, number of stores closed with related party in period. + References No definition available. + Details
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Namespace Prefix: | le_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=le_FormerParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |