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|---|---|---|
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| 0001193125-16-604534-index.html | 2016-05-26 17:45:11 | |
| 0001193125-16-604534.txt | 2016-05-26 17:45:11 | |
 0001193125-16-604534-xbrl.zip | 39489 | 2016-05-26 17:45:11 |
| d191484d497.htm | 5156 | 2016-05-26 17:45:11 |
| FilingSummary.xml | 3437 | 2016-05-26 17:45:11 |
 g191484g0521102222936.jpg | 4085 | 2016-05-26 17:45:11 |
| isust-20160512.xml | 39718 | 2016-05-26 17:45:11 |
| isust-20160512.xsd | 7501 | 2016-05-26 17:45:11 |
| isust-20160512_cal.xml | 3197 | 2016-05-26 17:45:11 |
| isust-20160512_def.xml | 223921 | 2016-05-26 17:45:11 |
| isust-20160512_lab.xml | 132888 | 2016-05-26 17:45:11 |
| isust-20160512_pre.xml | 156867 | 2016-05-26 17:45:11 |
| R1.htm | 16191 | 2016-05-26 17:45:11 |
| R2.htm | 62418 | 2016-05-26 17:45:11 |
| R5.htm | 110863 | 2016-05-26 17:45:11 |
| R6.htm | 7483 | 2016-05-26 17:45:11 |
| report.css | 2767 | 2016-05-26 17:45:11 |
| Show.js | 1410 | 2016-05-26 17:45:11 |