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| 0001104659-19-056238-index.html | 2019-10-24 21:46:26 | |
| 0001104659-19-056238.txt | 2019-10-24 21:46:26 | |
 0001104659-19-056238-xbrl.zip | 31795 | 2019-10-24 21:46:26 |
| FilingSummary.xml | 1635 | 2019-10-24 21:46:26 |
| Financial_Report.xlsx | 5760 | 2019-10-24 21:46:26 |
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| pfg-20191024.xsd | 3186 | 2019-10-24 21:46:26 |
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| R1.htm | 38578 | 2019-10-24 21:46:26 |
| report.css | 2767 | 2019-10-24 21:46:26 |
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 tm19207711_ex99img001.jpg | 2743 | 2019-10-24 21:46:26 |