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|---|---|---|
 0001193125-16-679478-index-headers.html | 2016-08-11 18:11:55 | |
| 0001193125-16-679478-index.html | 2016-08-11 18:11:55 | |
| 0001193125-16-679478.txt | 2016-08-11 18:11:55 | |
 0001193125-16-679478-xbrl.zip | 110304 | 2016-08-11 18:11:55 |
 BarChart1.png | 8861 | 2016-08-11 18:11:55 |
 BarChart2.png | 8714 | 2016-08-11 18:11:55 |
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 BarChart4.png | 12452 | 2016-08-11 18:11:55 |
| d232613d497.htm | 5069 | 2016-08-11 18:11:55 |
| FilingSummary.xml | 7266 | 2016-08-11 18:11:55 |
 g232613covltrx.jpg | 15024 | 2016-08-11 18:11:55 |
| isi-20160801.xml | 177794 | 2016-08-11 18:11:55 |
| isi-20160801.xsd | 22756 | 2016-08-11 18:11:55 |
| isi-20160801_cal.xml | 2461 | 2016-08-11 18:11:55 |
| isi-20160801_def.xml | 868594 | 2016-08-11 18:11:55 |
| isi-20160801_lab.xml | 149653 | 2016-08-11 18:11:55 |
| isi-20160801_pre.xml | 607366 | 2016-08-11 18:11:55 |
| R1.htm | 16185 | 2016-08-11 18:11:55 |
| R13.htm | 162584 | 2016-08-11 18:11:55 |
| R14.htm | 80467 | 2016-08-11 18:11:55 |
| R19.htm | 156837 | 2016-08-11 18:11:55 |
| R2.htm | 75509 | 2016-08-11 18:11:55 |
| R20.htm | 80003 | 2016-08-11 18:11:55 |
| R25.htm | 156369 | 2016-08-11 18:11:55 |
| R26.htm | 7475 | 2016-08-11 18:11:55 |
| R7.htm | 165336 | 2016-08-11 18:11:55 |
| R8.htm | 79268 | 2016-08-11 18:11:55 |
| report.css | 2767 | 2016-08-11 18:11:55 |
| Show.js | 1410 | 2016-08-11 18:11:55 |