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| 0001193125-13-441958-index.html | 2013-11-14 15:12:07 | |
| 0001193125-13-441958.txt | 2013-11-14 15:12:07 | |
 0001193125-13-441958-xbrl.zip | 27926 | 2013-11-14 15:12:07 |
| d606436d10q.htm | 124327 | 2013-11-14 15:12:07 |
| d606436dex311.htm | 9479 | 2013-11-14 15:12:07 |
| d606436dex312.htm | 9686 | 2013-11-14 15:12:07 |
| d606436dex321.htm | 5964 | 2013-11-14 15:12:07 |
| dtipiv-20130930.xml | 55767 | 2013-11-14 15:12:07 |
| dtipiv-20130930.xsd | 17982 | 2013-11-14 15:12:07 |
| dtipiv-20130930_cal.xml | 23015 | 2013-11-14 15:12:07 |
| dtipiv-20130930_def.xml | 20892 | 2013-11-14 15:12:07 |
| dtipiv-20130930_lab.xml | 109301 | 2013-11-14 15:12:07 |
| dtipiv-20130930_pre.xml | 66641 | 2013-11-14 15:12:07 |
| FilingSummary.xml | 10144 | 2013-11-14 15:12:07 |
| Financial_Report.xls | 59445 | 2013-11-14 15:12:07 |
| Financial_Report.xlsx | 30842 | 2013-11-14 15:12:07 |
| R1.htm | 25582 | 2013-11-14 15:12:07 |
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| R11.htm | 5834 | 2013-11-14 15:12:07 |
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| R2.htm | 78198 | 2013-11-14 15:12:07 |
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| R8.htm | 10315 | 2013-11-14 15:12:07 |
| R9.htm | 8474 | 2013-11-14 15:12:07 |
| report.css | 2740 | 2013-11-14 15:12:07 |
| Show.js | 1410 | 2013-11-14 15:12:07 |