Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000880460-12-000022-index.html | 2012-04-16 18:19:10 | |
| 0000880460-12-000022.txt | 2012-04-16 18:19:10 | |
 0000880460-12-000022-xbrl.zip | 90104 | 2012-04-16 18:19:10 |
| a2012128-10k.htm | 1258530 | 2012-04-16 18:19:10 |
| a2012128-ex211.htm | 9345 | 2012-04-16 18:19:10 |
| a2012128-ex231.htm | 3038 | 2012-04-16 18:19:10 |
| a2012128-ex311.htm | 11961 | 2012-04-16 18:19:10 |
| a2012128-ex312.htm | 11950 | 2012-04-16 18:19:10 |
| a2012128-ex321.htm | 7434 | 2012-04-16 18:19:10 |
| a2012128-ex322.htm | 6607 | 2012-04-16 18:19:10 |
| FilingSummary.xml | 9757 | 2012-04-16 18:19:10 |
| Financial_Report.xls | 478821 | 2012-04-16 18:19:10 |
| perf-20120128.xml | 534201 | 2012-04-16 18:19:10 |
| perf-20120128.xsd | 14697 | 2012-04-16 18:19:10 |
| perf-20120128_cal.xml | 38202 | 2012-04-16 18:19:10 |
| perf-20120128_def.xml | 91222 | 2012-04-16 18:19:10 |
| perf-20120128_lab.xml | 209567 | 2012-04-16 18:19:10 |
| perf-20120128_pre.xml | 115105 | 2012-04-16 18:19:10 |
| R1.htm | 35380 | 2012-04-16 18:19:10 |
| R10.htm | 27545 | 2012-04-16 18:19:10 |
| R11.htm | 38493 | 2012-04-16 18:19:10 |
| R12.htm | 19658 | 2012-04-16 18:19:10 |
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| R16.htm | 52175 | 2012-04-16 18:19:10 |
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| R19.htm | 39746 | 2012-04-16 18:19:10 |
| R2.htm | 104400 | 2012-04-16 18:19:10 |
| R3.htm | 31061 | 2012-04-16 18:19:10 |
| R4.htm | 65321 | 2012-04-16 18:19:10 |
| R5.htm | 35462 | 2012-04-16 18:19:10 |
| R6.htm | 121147 | 2012-04-16 18:19:10 |
| R7.htm | 22498 | 2012-04-16 18:19:10 |
| R8.htm | 48202 | 2012-04-16 18:19:10 |
| R9.htm | 47555 | 2012-04-16 18:19:10 |
| report.css | 2721 | 2012-04-16 18:19:10 |
| Show.js | 6423 | 2012-04-16 18:19:10 |