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| 0001564590-19-016333-index.html | 2019-05-07 12:26:08 | |
| 0001564590-19-016333.txt | 2019-05-07 12:26:08 | |
 0001564590-19-016333-xbrl.zip | 50469 | 2019-05-07 12:26:08 |
| FilingSummary.xml | 16221 | 2019-05-07 12:26:08 |
| Financial_Report.xlsx | 29742 | 2019-05-07 12:26:08 |
| odfl-10q_20190331.htm | 1024950 | 2019-05-07 12:26:08 |
| odfl-20190331.xml | 273970 | 2019-05-07 12:26:08 |
| odfl-20190331.xsd | 22968 | 2019-05-07 12:26:08 |
| odfl-20190331_cal.xml | 42340 | 2019-05-07 12:26:08 |
| odfl-20190331_def.xml | 44854 | 2019-05-07 12:26:08 |
| odfl-20190331_lab.xml | 184791 | 2019-05-07 12:26:08 |
| odfl-20190331_pre.xml | 131104 | 2019-05-07 12:26:08 |
| odfl-ex311_8.htm | 16625 | 2019-05-07 12:26:08 |
| odfl-ex312_9.htm | 16968 | 2019-05-07 12:26:08 |
| odfl-ex321_7.htm | 8928 | 2019-05-07 12:26:08 |
| odfl-ex322_6.htm | 8911 | 2019-05-07 12:26:08 |
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| R8.htm | 21658 | 2019-05-07 12:26:08 |
| R9.htm | 29023 | 2019-05-07 12:26:08 |
| report.css | 2767 | 2019-05-07 12:26:08 |
| Show.js | 1085 | 2019-05-07 12:26:08 |