Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-248829-index-headers.html | 2018-08-14 20:02:47 | |
| 0001193125-18-248829-index.html | 2018-08-14 20:02:47 | |
| 0001193125-18-248829.txt | 2018-08-14 20:02:47 | |
 0001193125-18-248829-xbrl.zip | 39959 | 2018-08-14 20:02:47 |
 BarChart1.png | 10885 | 2018-08-14 20:02:47 |
| d595538d497.htm | 6543 | 2018-08-14 20:02:47 |
| FilingSummary.xml | 3699 | 2018-08-14 20:02:47 |
 g595538g71v60.jpg | 12321 | 2018-08-14 20:02:47 |
| isust-20180801.xml | 54507 | 2018-08-14 20:02:47 |
| isust-20180801.xsd | 8560 | 2018-08-14 20:02:47 |
| isust-20180801_cal.xml | 4741 | 2018-08-14 20:02:47 |
| isust-20180801_def.xml | 189433 | 2018-08-14 20:02:47 |
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| R2.htm | 84750 | 2018-08-14 20:02:47 |
| R7.htm | 172551 | 2018-08-14 20:02:47 |
| R8.htm | 7486 | 2018-08-14 20:02:47 |
| report.css | 2767 | 2018-08-14 20:02:47 |
| Show.js | 1410 | 2018-08-14 20:02:47 |