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v3.20.1

Subsequent Event - Additional Information (Details) - Subsequent Event - Novel Coronavirus - United States | 1 Months Ended
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Mar. 23, 2020 Store
Subsequent Event [Line Items] |
Number of stores closed | 26
Retail | Maximum |
Subsequent Event [Line Items] |
Percentage expected disruption in revenues | 5.00%

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- Definition Number of stores closed. + References No definition available. + Details
Name: | le_NumberOfStoresClosed
Namespace Prefix: | le_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of excepted temporary disruption in revenues + References No definition available. + Details
Name: | le_PercentageOfExceptedTemporaryDisruptionInRevenues
Namespace Prefix: | le_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=le_NovelCoronavirusMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=us-gaap_RetailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |