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| 0001193125-12-047230-index.html | 2012-02-08 20:04:00 | |
| 0001193125-12-047230.txt | 2012-02-08 20:04:00 | |
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| d288513d10q.htm | 439727 | 2012-02-08 20:04:00 |
| d288513dex311.htm | 10379 | 2012-02-08 20:04:00 |
| d288513dex312.htm | 10399 | 2012-02-08 20:04:00 |
| d288513dex32.htm | 5306 | 2012-02-08 20:04:00 |
| FilingSummary.xml | 9507 | 2012-02-08 20:04:00 |
| Financial_Report.xls | 247270 | 2012-02-08 20:04:00 |
| ipsu-20111231.xml | 280416 | 2012-02-08 20:04:00 |
| ipsu-20111231.xsd | 12634 | 2012-02-08 20:04:00 |
| ipsu-20111231_cal.xml | 35094 | 2012-02-08 20:04:00 |
| ipsu-20111231_def.xml | 10267 | 2012-02-08 20:04:00 |
| ipsu-20111231_lab.xml | 136428 | 2012-02-08 20:04:00 |
| ipsu-20111231_pre.xml | 84255 | 2012-02-08 20:04:00 |
| R1.htm | 26714 | 2012-02-08 20:04:00 |
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| R13.htm | 16027 | 2012-02-08 20:04:00 |
| R14.htm | 28697 | 2012-02-08 20:04:00 |
| R15.htm | 21478 | 2012-02-08 20:04:00 |
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| R2.htm | 129495 | 2012-02-08 20:04:00 |
| R3.htm | 26661 | 2012-02-08 20:04:00 |
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| R7.htm | 54293 | 2012-02-08 20:04:00 |
| R8.htm | 16235 | 2012-02-08 20:04:00 |
| R9.htm | 24041 | 2012-02-08 20:04:00 |
| report.css | 2721 | 2012-02-08 20:04:00 |
| Show.js | 6423 | 2012-02-08 20:04:00 |