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| 0000077281-18-000084-index.html | 2018-11-01 14:30:04 | |
| 0000077281-18-000084.txt | 2018-11-01 14:30:04 | |
 0000077281-18-000084-xbrl.zip | 195046 | 2018-11-01 14:30:04 |
| a2018q310q9-30x18.htm | 1821032 | 2018-11-01 14:30:04 |
| a2018q3exhibit101.htm | 74856 | 2018-11-01 14:30:04 |
| a2018q3exhibit311.htm | 15577 | 2018-11-01 14:30:04 |
| a2018q3exhibit312.htm | 13883 | 2018-11-01 14:30:04 |
| a2018q3exhibit321.htm | 6312 | 2018-11-01 14:30:04 |
| a2018q3exhibit322.htm | 6434 | 2018-11-01 14:30:04 |
| FilingSummary.xml | 30826 | 2018-11-01 14:30:04 |
| Financial_Report.xlsx | 74105 | 2018-11-01 14:30:04 |
| pei-20180930.xml | 1051622 | 2018-11-01 14:30:04 |
| pei-20180930.xsd | 62926 | 2018-11-01 14:30:04 |
| pei-20180930_cal.xml | 88886 | 2018-11-01 14:30:04 |
| pei-20180930_def.xml | 270300 | 2018-11-01 14:30:04 |
| pei-20180930_lab.xml | 636351 | 2018-11-01 14:30:04 |
| pei-20180930_pre.xml | 394739 | 2018-11-01 14:30:04 |
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| report.css | 2767 | 2018-11-01 14:30:04 |
| Show.js | 1085 | 2018-11-01 14:30:04 |