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|---|---|---|
 0001193125-19-010729-index-headers.html | 2019-01-16 19:13:14 | |
| 0001193125-19-010729-index.html | 2019-01-16 19:13:14 | |
| 0001193125-19-010729.txt | 2019-01-16 19:13:14 | |
 0001193125-19-010729-xbrl.zip | 45388 | 2019-01-16 19:13:14 |
 BarChart1.png | 11825 | 2019-01-16 19:13:14 |
| d672891d497.htm | 4762 | 2019-01-16 19:13:14 |
| FilingSummary.xml | 3633 | 2019-01-16 19:13:14 |
 g672891g0115074429715.jpg | 4085 | 2019-01-16 19:13:14 |
| isi-20181227.xml | 65892 | 2019-01-16 19:13:14 |
| isi-20181227.xsd | 8264 | 2019-01-16 19:13:14 |
| isi-20181227_cal.xml | 4750 | 2019-01-16 19:13:14 |
| isi-20181227_def.xml | 208097 | 2019-01-16 19:13:14 |
| isi-20181227_lab.xml | 144473 | 2019-01-16 19:13:14 |
| isi-20181227_pre.xml | 159495 | 2019-01-16 19:13:14 |
| R1.htm | 18240 | 2019-01-16 19:13:14 |
| R2.htm | 99892 | 2019-01-16 19:13:14 |
| R7.htm | 193086 | 2019-01-16 19:13:14 |
| R8.htm | 7476 | 2019-01-16 19:13:14 |
| report.css | 2767 | 2019-01-16 19:13:14 |
| Show.js | 1085 | 2019-01-16 19:13:14 |