XML 1066 R50.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Operating Property - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019
Property, Plant and Equipment [Line Items] |  |  |
Finance leased assets gross | $ 189,053,000 | $ 199,045,000 |
Finance leases balance sheet assets by major class net. | 143,227,000 | 139,259,000 |
Finance leases | $ 48,674,000 | $ 31,633,000 | $ 29,054,000

X
- Definition Finance lease obligations incurred + References No definition available. + Details
Name: | lstr_FinanceLeaseObligationsIncurred
Namespace Prefix: | lstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Finance leased assets gross. + References No definition available. + Details
Name: | lstr_FinanceLeasedAssetsGross
Namespace Prefix: | lstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finance Leases Balance Sheet Assets By Major Class Net + References No definition available. + Details
Name: | lstr_FinanceLeasesBalanceSheetAssetsByMajorClassNet
Namespace Prefix: | lstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration