Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-223983-index-headers.html | 2012-05-10 09:37:05 | |
| 0001193125-12-223983-index.html | 2012-05-10 09:37:05 | |
| 0001193125-12-223983.txt | 2012-05-10 09:37:05 | |
 0001193125-12-223983-xbrl.zip | 62734 | 2012-05-10 09:37:05 |
| d331661d10q.htm | 410575 | 2012-05-10 09:37:05 |
| d331661dex311.htm | 6075 | 2012-05-10 09:37:05 |
| d331661dex312.htm | 6070 | 2012-05-10 09:37:05 |
| d331661dex321.htm | 3364 | 2012-05-10 09:37:05 |
| d331661dex322.htm | 3335 | 2012-05-10 09:37:05 |
| FilingSummary.xml | 18464 | 2012-05-10 09:37:05 |
| Financial_Report.xls | 365322 | 2012-05-10 09:37:05 |
 g331661tx_pg1.jpg | 13756 | 2012-05-10 09:37:05 |
| lstr-20120331.xml | 435726 | 2012-05-10 09:37:05 |
| lstr-20120331.xsd | 24468 | 2012-05-10 09:37:05 |
| lstr-20120331_cal.xml | 46943 | 2012-05-10 09:37:05 |
| lstr-20120331_def.xml | 63539 | 2012-05-10 09:37:05 |
| lstr-20120331_lab.xml | 275596 | 2012-05-10 09:37:05 |
| lstr-20120331_pre.xml | 189051 | 2012-05-10 09:37:05 |
| R1.htm | 26723 | 2012-05-10 09:37:05 |
| R10.htm | 7893 | 2012-05-10 09:37:05 |
| R11.htm | 46762 | 2012-05-10 09:37:05 |
| R12.htm | 9286 | 2012-05-10 09:37:05 |
| R13.htm | 15090 | 2012-05-10 09:37:05 |
| R14.htm | 7862 | 2012-05-10 09:37:05 |
| R15.htm | 29612 | 2012-05-10 09:37:05 |
| R16.htm | 71888 | 2012-05-10 09:37:05 |
| R17.htm | 9852 | 2012-05-10 09:37:05 |
| R18.htm | 44389 | 2012-05-10 09:37:05 |
| R19.htm | 11207 | 2012-05-10 09:37:05 |
| R2.htm | 107326 | 2012-05-10 09:37:05 |
| R20.htm | 25542 | 2012-05-10 09:37:05 |
| R21.htm | 71480 | 2012-05-10 09:37:05 |
| R22.htm | 10524 | 2012-05-10 09:37:05 |
| R23.htm | 61328 | 2012-05-10 09:37:05 |
| R24.htm | 13621 | 2012-05-10 09:37:05 |
| R25.htm | 17484 | 2012-05-10 09:37:05 |
| R26.htm | 51074 | 2012-05-10 09:37:05 |
| R27.htm | 19367 | 2012-05-10 09:37:05 |
| R28.htm | 6841 | 2012-05-10 09:37:05 |
| R29.htm | 22434 | 2012-05-10 09:37:05 |
| R3.htm | 27641 | 2012-05-10 09:37:05 |
| R30.htm | 13456 | 2012-05-10 09:37:05 |
| R31.htm | 34037 | 2012-05-10 09:37:05 |
| R32.htm | 7848 | 2012-05-10 09:37:05 |
| R33.htm | 26430 | 2012-05-10 09:37:05 |
| R34.htm | 27180 | 2012-05-10 09:37:05 |
| R35.htm | 10666 | 2012-05-10 09:37:05 |
| R4.htm | 88304 | 2012-05-10 09:37:05 |
| R5.htm | 35279 | 2012-05-10 09:37:05 |
| R6.htm | 6741 | 2012-05-10 09:37:05 |
| R7.htm | 122024 | 2012-05-10 09:37:05 |
| R8.htm | 41795 | 2012-05-10 09:37:05 |
| R9.htm | 5678 | 2012-05-10 09:37:05 |
| report.css | 2721 | 2012-05-10 09:37:05 |
| Show.js | 6423 | 2012-05-10 09:37:05 |