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Commitments and Contingencies - Additional Information (Detail) | Dec. 26, 2020 USD ($)
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Revolving Credit Facility |
Commitments and Contingencies Disclosure [Line Items] |
Letters of credit outstanding | $ 33,618,000
Guarantee Payment of Insurance Claims |
Commitments and Contingencies Disclosure [Line Items] |
Letters of credit outstanding | $ 64,934,000

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- Definition Commitments and Contingencies Disclosure [Line Items] + References No definition available. + Details
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Namespace Prefix: | lstr_
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Balance Type: | na
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |