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v3.21.2

Stock-Based Compensation - Summary of Performance Awards Activity (Parenthetical) (Details) | 9 Months Ended
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Oct. 29, 2021
Performance Awards |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Performance shares target percentage | 100.00%

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- Definition Performance shares target percentage. + References No definition available. + Details
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Namespace Prefix: | le_
Data Type: | dtr-types:percentItemType
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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |