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|---|---|---|
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| 0000950170-22-008079-index.html | 2022-05-06 13:04:11 | |
| 0000950170-22-008079.txt | 2022-05-06 13:04:11 | |
 0000950170-22-008079-xbrl.zip | 256701 | 2022-05-06 13:04:11 |
| FilingSummary.xml | 39439 | 2022-05-06 13:04:11 |
| Financial_Report.xlsx | 83131 | 2022-05-06 13:04:11 |
| MetaLinks.json | 627770 | 2022-05-06 13:04:11 |
| plpc-20220331.htm | 2813191 | 2022-05-06 13:04:11 |
| plpc-20220331.xsd | 44608 | 2022-05-06 13:04:11 |
| plpc-20220331_cal.xml | 64917 | 2022-05-06 13:04:11 |
| plpc-20220331_def.xml | 154772 | 2022-05-06 13:04:11 |
| plpc-20220331_htm.xml | 3096997 | 2022-05-06 13:04:11 |
| plpc-20220331_lab.xml | 400353 | 2022-05-06 13:04:11 |
| plpc-20220331_pre.xml | 305412 | 2022-05-06 13:04:11 |
| plpc-ex10_1.htm | 138824 | 2022-05-06 13:04:11 |
| plpc-ex10_2.htm | 451783 | 2022-05-06 13:04:11 |
| plpc-ex31_1.htm | 19222 | 2022-05-06 13:04:11 |
| plpc-ex31_2.htm | 18277 | 2022-05-06 13:04:11 |
| plpc-ex32_1.htm | 10083 | 2022-05-06 13:04:11 |
| plpc-ex32_2.htm | 10065 | 2022-05-06 13:04:11 |
| R1.htm | 52360 | 2022-05-06 13:04:11 |
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| R9.htm | 12448 | 2022-05-06 13:04:11 |
| report.css | 2767 | 2022-05-06 13:04:11 |
| Show.js | 1085 | 2022-05-06 13:04:11 |