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|---|---|---|
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| 0001193125-14-005105-index.html | 2014-01-08 12:54:45 | |
| 0001193125-14-005105.txt | 2014-01-08 12:54:45 | |
 0001193125-14-005105-xbrl.zip | 49063 | 2014-01-08 12:54:45 |
| d637216d10q.htm | 357009 | 2014-01-08 12:54:45 |
| d637216dex101.htm | 36771 | 2014-01-08 12:54:45 |
| d637216dex311.htm | 9663 | 2014-01-08 12:54:45 |
| d637216dex312.htm | 9682 | 2014-01-08 12:54:45 |
| d637216dex321.htm | 4468 | 2014-01-08 12:54:45 |
| FilingSummary.xml | 11866 | 2014-01-08 12:54:45 |
| Financial_Report.xls | 149881 | 2014-01-08 12:54:45 |
| Financial_Report.xlsx | 45752 | 2014-01-08 12:54:45 |
| pir-20131130.xml | 201987 | 2014-01-08 12:54:45 |
| pir-20131130.xsd | 18925 | 2014-01-08 12:54:45 |
| pir-20131130_cal.xml | 39934 | 2014-01-08 12:54:45 |
| pir-20131130_def.xml | 123102 | 2014-01-08 12:54:45 |
| pir-20131130_lab.xml | 176697 | 2014-01-08 12:54:45 |
| pir-20131130_pre.xml | 145393 | 2014-01-08 12:54:45 |
| R1.htm | 28811 | 2014-01-08 12:54:45 |
| R10.htm | 6077 | 2014-01-08 12:54:45 |
| R11.htm | 18930 | 2014-01-08 12:54:45 |
| R12.htm | 6634 | 2014-01-08 12:54:45 |
| R13.htm | 5853 | 2014-01-08 12:54:45 |
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| R17.htm | 6955 | 2014-01-08 12:54:45 |
| R18.htm | 29064 | 2014-01-08 12:54:45 |
| R19.htm | 14065 | 2014-01-08 12:54:45 |
| R2.htm | 63201 | 2014-01-08 12:54:45 |
| R20.htm | 21889 | 2014-01-08 12:54:45 |
| R21.htm | 27829 | 2014-01-08 12:54:45 |
| R22.htm | 7269 | 2014-01-08 12:54:45 |
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| R4.htm | 84998 | 2014-01-08 12:54:45 |
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| R6.htm | 84582 | 2014-01-08 12:54:45 |
| R7.htm | 40538 | 2014-01-08 12:54:45 |
| R8.htm | 3644 | 2014-01-08 12:54:45 |
| R9.htm | 25286 | 2014-01-08 12:54:45 |
| report.css | 2740 | 2014-01-08 12:54:45 |
| Show.js | 1410 | 2014-01-08 12:54:45 |