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Related Party Agreements and Transactions - Schedule of Related Party Costs (Parenthetical) (Details) - Store	12 Months Ended
	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

Name:	us-gaap_RelatedPartyTransactionLineItems
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: