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|---|---|---|
 0001573516-20-000065-index-headers.html | 2020-10-28 16:42:30 | |
| 0001573516-20-000065-index.html | 2020-10-28 16:42:30 | |
| 0001573516-20-000065.txt | 2020-10-28 16:42:30 | |
 0001573516-20-000065-xbrl.zip | 190233 | 2020-10-28 16:42:30 |
| exh99109302020.htm | 370093 | 2020-10-28 16:42:30 |
| exh992capitalallocation.htm | 19912 | 2020-10-28 16:42:30 |
| FilingSummary.xml | 1815 | 2020-10-28 16:42:30 |
| Financial_Report.xlsx | 5430 | 2020-10-28 16:42:30 |
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| musa-20201028.htm | 39291 | 2020-10-28 16:42:30 |
| musa-20201028.xsd | 2414 | 2020-10-28 16:42:30 |
| musa-20201028_cal.xml | 704 | 2020-10-28 16:42:30 |
| musa-20201028_def.xml | 1637 | 2020-10-28 16:42:30 |
 musa-20201028_g1.jpg | 163998 | 2020-10-28 16:42:30 |
| musa-20201028_htm.xml | 10877 | 2020-10-28 16:42:30 |
| musa-20201028_lab.xml | 23970 | 2020-10-28 16:42:30 |
| musa-20201028_pre.xml | 12640 | 2020-10-28 16:42:30 |
| R1.htm | 38590 | 2020-10-28 16:42:30 |
| report.css | 2767 | 2020-10-28 16:42:30 |
| Show.js | 1085 | 2020-10-28 16:42:30 |