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v3.19.3.a.u2

Leases - Undiscounted Cash Flows for the Finance and Operating Leases (Parenthetical) (Details) | Dec. 28, 2019
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Maximum [Member] |
Finance lease Interest rate percentage | 4.40%
Minimum [Member] |
Finance lease Interest rate percentage | 2.10%

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- Definition Finance lease Interest rate percentage + References No definition available. + Details
Name: | lstr_FinanceLeaseInterestRatePercentage
Namespace Prefix: | lstr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

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