<SEC-DOCUMENT>0001193125-21-052225-index.html : 20211112 <SEC-HEADER>0001193125-21-052225.hdr.sgml : 20211112 <ACCEPTANCE-DATETIME>20210223153635 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0001193125-21-052225 CONFORMED SUBMISSION TYPE: 10-K PUBLIC DOCUMENT COUNT: 93 CONFORMED PERIOD OF REPORT: 20201226 FILED AS OF DATE: 20210223 DATE AS OF CHANGE: 20210223 FILER: COMPANY DATA: COMPANY CONFORMED NAME: LANDSTAR SYSTEM INC CENTRAL INDEX KEY: 0000853816 STANDARD INDUSTRIAL CLASSIFICATION: TRUCKING (NO LOCAL) [4213] IRS NUMBER: 061313069 STATE OF INCORPORATION: DE FISCAL YEAR END: 1228 FILING VALUES: FORM TYPE: 10-K SEC ACT: 1934 Act SEC FILE NUMBER: 000-21238 FILM NUMBER: 21665135 BUSINESS ADDRESS: STREET 1: 13410 SUTTON PARK DRIVE SOUTH CITY: JACKSONVILLE STATE: FL ZIP: 32224 BUSINESS PHONE: 9043901224 MAIL ADDRESS: STREET 1: LANDSTAR SYSTEM INC STREET 2: 13410 SUTTON PARK DRIVE SOUTH CITY: JACKSONVILLE STATE: FL ZIP: 32224 </SEC-HEADER> <DOCUMENT> <TYPE>10-K <SEQUENCE>1 <FILENAME>d79942d10k.htm <DESCRIPTION>FORM 10-K <TEXT> Document 1 - file: d79942d10k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-21.1 <SEQUENCE>2 <FILENAME>d79942dex211.htm <DESCRIPTION>EX-21.1 <TEXT> Document 2 - file: d79942dex211.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>3 <FILENAME>d79942dex231.htm <DESCRIPTION>EX-23.1 <TEXT> Document 3 - file: d79942dex231.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-24.1 <SEQUENCE>4 <FILENAME>d79942dex241.htm <DESCRIPTION>EX-24.1 <TEXT> Document 4 - file: d79942dex241.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-31.1 <SEQUENCE>5 <FILENAME>d79942dex311.htm <DESCRIPTION>EX-31.1 <TEXT> Document 5 - file: d79942dex311.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-32.1 <SEQUENCE>6 <FILENAME>d79942dex321.htm <DESCRIPTION>EX-32.1 <TEXT> Document 6 - file: d79942dex321.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>7 <FILENAME>lstr-20201220.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 7 - file: lstr-20201220.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>8 <FILENAME>lstr-20201220_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 8 - file: lstr-20201220_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>9 <FILENAME>lstr-20201220_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 9 - file: lstr-20201220_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>10 <FILENAME>lstr-20201220_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 10 - file: lstr-20201220_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>11 <FILENAME>lstr-20201220_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 11 - file: lstr-20201220_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g79942g0212045155636.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g79942g0212045155636.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g79942g0212045155892.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g79942g0212045155892.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1015 <FILENAME>d79942d10k_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1015 - file: d79942d10k_htm.html
Document 1015 - RAW XML: d79942d10k_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1016 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1016 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1017 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1017 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1018 <FILENAME>R3.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1018 - file: R3.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1019 <FILENAME>R4.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1019 - file: R4.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1020 <FILENAME>R5.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1020 - file: R5.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1021 <FILENAME>R6.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1021 - file: R6.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1022 <FILENAME>R7.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1022 - file: R7.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1023 <FILENAME>R8.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1023 - file: R8.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1024 <FILENAME>R9.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1024 - file: R9.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1025 <FILENAME>R10.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1025 - file: R10.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1026 <FILENAME>R11.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1026 - file: R11.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1027 <FILENAME>R12.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1027 - file: R12.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1028 <FILENAME>R13.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1028 - file: R13.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1029 <FILENAME>R14.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1029 - file: R14.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1030 <FILENAME>R15.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1030 - file: R15.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1031 <FILENAME>R16.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1031 - file: R16.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1032 <FILENAME>R17.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1032 - file: R17.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1033 <FILENAME>R18.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1033 - file: R18.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1034 <FILENAME>R19.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1034 - file: R19.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1035 <FILENAME>R20.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1035 - file: R20.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1036 <FILENAME>R21.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1036 - file: R21.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1037 <FILENAME>R22.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1037 - file: R22.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1038 <FILENAME>R23.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1038 - file: R23.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1039 <FILENAME>R24.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1039 - file: R24.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1040 <FILENAME>R25.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1040 - file: R25.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1041 <FILENAME>R26.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1041 - file: R26.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1042 <FILENAME>R27.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1042 - file: R27.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1043 <FILENAME>R28.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1043 - file: R28.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1044 <FILENAME>R29.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1044 - file: R29.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1045 <FILENAME>R30.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1045 - file: R30.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1046 <FILENAME>R31.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1046 - file: R31.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1047 <FILENAME>R32.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1047 - file: R32.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1048 <FILENAME>R33.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1048 - file: R33.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1049 <FILENAME>R34.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1049 - file: R34.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1050 <FILENAME>R35.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1050 - file: R35.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1051 <FILENAME>R36.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1051 - file: R36.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1052 <FILENAME>R37.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1052 - file: R37.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1053 <FILENAME>R38.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1053 - file: R38.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1054 <FILENAME>R39.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1054 - file: R39.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1055 <FILENAME>R40.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1055 - file: R40.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1056 <FILENAME>R41.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1056 - file: R41.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1057 <FILENAME>R42.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1057 - file: R42.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1058 <FILENAME>R43.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1058 - file: R43.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1059 <FILENAME>R44.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1059 - file: R44.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1060 <FILENAME>R45.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1060 - file: R45.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1061 <FILENAME>R46.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1061 - file: R46.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1062 <FILENAME>R47.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1062 - file: R47.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1063 <FILENAME>R48.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1063 - file: R48.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1064 <FILENAME>R49.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1064 - file: R49.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1065 <FILENAME>R50.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1065 - file: R50.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1066 <FILENAME>R51.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1066 - file: R51.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1067 <FILENAME>R52.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1067 - file: R52.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1068 <FILENAME>R53.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1068 - file: R53.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1069 <FILENAME>R54.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1069 - file: R54.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1070 <FILENAME>R55.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1070 - file: R55.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1071 <FILENAME>R56.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1071 - file: R56.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1072 <FILENAME>R57.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1072 - file: R57.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1073 <FILENAME>R58.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1073 - file: R58.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1074 <FILENAME>R59.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1074 - file: R59.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1075 <FILENAME>R60.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1075 - file: R60.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1076 <FILENAME>R61.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1076 - file: R61.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1077 <FILENAME>R62.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1077 - file: R62.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1078 <FILENAME>R63.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1078 - file: R63.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1079 <FILENAME>R64.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1079 - file: R64.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1080 <FILENAME>R65.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1080 - file: R65.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1081 <FILENAME>R66.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1081 - file: R66.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1082 <FILENAME>R67.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1082 - file: R67.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1083 <FILENAME>R68.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1083 - file: R68.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1084 <FILENAME>R69.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1084 - file: R69.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1085 <FILENAME>R70.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1085 - file: R70.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1086 <FILENAME>R71.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1086 - file: R71.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1087 <FILENAME>R72.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1087 - file: R72.htm
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>1088 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1088 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1089 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1089 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1090 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1090 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>1091 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1091 - file: FilingSummary.html
Document 1091 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>1094 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1094 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>1095 <FILENAME>0001193125-21-052225-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 1095 - file: 0001193125-21-052225-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>COVER <SEQUENCE>96 <FILENAME>filename96.htm <TEXT> Document 96 - file: filename96.htm
</DOCUMENT> </SEC-DOCUMENT>