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| 0001193125-14-452364-index.html | 2014-12-23 13:39:13 | |
| 0001193125-14-452364.txt | 2014-12-23 13:39:13 | |
 0001193125-14-452364-xbrl.zip | 98512 | 2014-12-23 13:39:13 |
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| d834989d497.htm | 4562 | 2014-12-23 13:39:13 |
| FilingSummary.xml | 6320 | 2014-12-23 13:39:13 |
| Financial_Report.xls | 366093 | 2014-12-23 13:39:13 |
| Financial_Report.xlsx | 140459 | 2014-12-23 13:39:13 |
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| ist-20141210.xml | 156898 | 2014-12-23 13:39:13 |
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| R1.htm | 21870 | 2014-12-23 13:39:13 |
| R13.htm | 216004 | 2014-12-23 13:39:13 |
| R14.htm | 108856 | 2014-12-23 13:39:13 |
| R19.htm | 236867 | 2014-12-23 13:39:13 |
| R2.htm | 84132 | 2014-12-23 13:39:13 |
| R20.htm | 109197 | 2014-12-23 13:39:13 |
| R25.htm | 237173 | 2014-12-23 13:39:13 |
| R26.htm | 9987 | 2014-12-23 13:39:13 |
| R7.htm | 195337 | 2014-12-23 13:39:13 |
| R8.htm | 87500 | 2014-12-23 13:39:13 |
| report.css | 2740 | 2014-12-23 13:39:13 |
| Show.js | 1410 | 2014-12-23 13:39:13 |