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v3.20.1

Related Party Agreements and Transactions - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 02, 2018 | Jan. 31, 2020 | Feb. 01, 2019 | Apr. 04, 2014
Related Party Transaction [Line Items] |  |  |  |
Indemnification receivable |  | $ 0.0 | $ 0.0 | $ 13.7
Sears Holdings Corporation | Other Expense, Net |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Indemnification Reserve Expense | $ 2.6 |  |  |

X
- Definition Indemnification Receivable + References No definition available. + Details
Name: | le_IndemnificationReceivable
Namespace Prefix: | le_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Indemnification Reserve Expense + References No definition available. + Details
Name: | le_IndemnificationReserveExpense
Namespace Prefix: | le_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |