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Supplemental Guarantor Financial Information (Narrative) (Details) | 12 Months Ended
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Jan. 31, 2015
Minimum percentage of assets owned by domestic subsidiaries | 90.00%lb_MinimumPercentageOfAssetsOwnedByDomesticSubsidiaries
Minimum percentage of accounts receivable and inventory owned by domestic subsidiaries | 95.00%lb_MinimumPercentageOfAccountsReceivableAndInventoryOwnedByDomesticSubsidiaries

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- Definition Minimum percentage of accounts receivable and inventory owned by domestic subsidiaries + References No definition available. + Details
Name: | lb_MinimumPercentageOfAccountsReceivableAndInventoryOwnedByDomesticSubsidiaries
Namespace Prefix: | lb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of assets owned by domestic subsidiaries + References No definition available. + Details
Name: | lb_MinimumPercentageOfAssetsOwnedByDomesticSubsidiaries
Namespace Prefix: | lb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration