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|---|---|---|
 0001193125-18-325699-index-headers.html | 2018-11-13 18:12:11 | |
| 0001193125-18-325699-index.html | 2018-11-13 18:12:11 | |
| 0001193125-18-325699.txt | 2018-11-13 18:12:11 | |
 0001193125-18-325699-xbrl.zip | 43656 | 2018-11-13 18:12:11 |
 BarChart1.png | 9574 | 2018-11-13 18:12:11 |
| d643031d497.htm | 4837 | 2018-11-13 18:12:11 |
| FilingSummary.xml | 3633 | 2018-11-13 18:12:11 |
 g643031g80x76.jpg | 4110 | 2018-11-13 18:12:11 |
| isi-20181026.xml | 65097 | 2018-11-13 18:12:11 |
| isi-20181026.xsd | 8366 | 2018-11-13 18:12:11 |
| isi-20181026_cal.xml | 4739 | 2018-11-13 18:12:11 |
| isi-20181026_def.xml | 188276 | 2018-11-13 18:12:11 |
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| isi-20181026_pre.xml | 148409 | 2018-11-13 18:12:11 |
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| R2.htm | 96922 | 2018-11-13 18:12:11 |
| R7.htm | 189168 | 2018-11-13 18:12:11 |
| R8.htm | 7473 | 2018-11-13 18:12:11 |
| report.css | 2767 | 2018-11-13 18:12:11 |
| Show.js | 1085 | 2018-11-13 18:12:11 |