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v3.25.1

Leases - Undiscounted Cash Flows for the Finance and Operating Leases (Parenthetical) (Detail) | Mar. 29, 2025
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Maximum [Member] |
Finance lease Interest rate percentage | 6.40%
Minimum [Member] |
Finance lease Interest rate percentage | 1.60%

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- Definition Finance lease Interest rate percentage + References No definition available. + Details
Name: | lstr_FinanceLeaseInterestRatePercentage
Namespace Prefix: | lstr_
Data Type: | dtr-types: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: |