Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-017586-index-headers.html | 2023-05-04 11:40:00 | |
| 0000950170-23-017586-index.html | 2023-05-04 11:40:00 | |
| 0000950170-23-017586.txt | 2023-05-04 11:40:00 | |
 0000950170-23-017586-xbrl.zip | 238399 | 2023-05-04 11:40:00 |
| FilingSummary.xml | 38806 | 2023-05-04 11:40:00 |
| Financial_Report.xlsx | 86067 | 2023-05-04 11:40:00 |
| MetaLinks.json | 949086 | 2023-05-04 11:40:00 |
| plpc-20230331.htm | 3003736 | 2023-05-04 11:40:00 |
| plpc-20230331.xsd | 64203 | 2023-05-04 11:40:00 |
| plpc-20230331_cal.xml | 77401 | 2023-05-04 11:40:00 |
| plpc-20230331_def.xml | 252511 | 2023-05-04 11:40:00 |
| plpc-20230331_htm.xml | 2465314 | 2023-05-04 11:40:00 |
| plpc-20230331_lab.xml | 623825 | 2023-05-04 11:40:00 |
| plpc-20230331_pre.xml | 454735 | 2023-05-04 11:40:00 |
| plpc-ex31_1.htm | 11710 | 2023-05-04 11:40:00 |
| plpc-ex31_2.htm | 12999 | 2023-05-04 11:40:00 |
| plpc-ex32_1.htm | 11029 | 2023-05-04 11:40:00 |
| plpc-ex32_2.htm | 10530 | 2023-05-04 11:40:00 |
| R1.htm | 51570 | 2023-05-04 11:40:00 |
| R10.htm | 121280 | 2023-05-04 11:40:00 |
| R11.htm | 44140 | 2023-05-04 11:40:00 |
| R12.htm | 45940 | 2023-05-04 11:40:00 |
| R13.htm | 13625 | 2023-05-04 11:40:00 |
| R14.htm | 39222 | 2023-05-04 11:40:00 |
| R15.htm | 127293 | 2023-05-04 11:40:00 |
| R16.htm | 25951 | 2023-05-04 11:40:00 |
| R17.htm | 11728 | 2023-05-04 11:40:00 |
| R18.htm | 57088 | 2023-05-04 11:40:00 |
| R19.htm | 159906 | 2023-05-04 11:40:00 |
| R2.htm | 130309 | 2023-05-04 11:40:00 |
| R20.htm | 169517 | 2023-05-04 11:40:00 |
| R21.htm | 119139 | 2023-05-04 11:40:00 |
| R22.htm | 166706 | 2023-05-04 11:40:00 |
| R23.htm | 6806 | 2023-05-04 11:40:00 |
| R24.htm | 6008 | 2023-05-04 11:40:00 |
| R25.htm | 116276 | 2023-05-04 11:40:00 |
| R26.htm | 39709 | 2023-05-04 11:40:00 |
| R27.htm | 44495 | 2023-05-04 11:40:00 |
| R28.htm | 32590 | 2023-05-04 11:40:00 |
| R29.htm | 126041 | 2023-05-04 11:40:00 |
| R3.htm | 17434 | 2023-05-04 11:40:00 |
| R30.htm | 53523 | 2023-05-04 11:40:00 |
| R31.htm | 151496 | 2023-05-04 11:40:00 |
| R32.htm | 160213 | 2023-05-04 11:40:00 |
| R33.htm | 114825 | 2023-05-04 11:40:00 |
| R34.htm | 140774 | 2023-05-04 11:40:00 |
| R35.htm | 4175 | 2023-05-04 11:40:00 |
| R36.htm | 31499 | 2023-05-04 11:40:00 |
| R37.htm | 11794 | 2023-05-04 11:40:00 |
| R38.htm | 14597 | 2023-05-04 11:40:00 |
| R39.htm | 8725 | 2023-05-04 11:40:00 |
| R4.htm | 97956 | 2023-05-04 11:40:00 |
| R40.htm | 18849 | 2023-05-04 11:40:00 |
| R41.htm | 11927 | 2023-05-04 11:40:00 |
| R42.htm | 17612 | 2023-05-04 11:40:00 |
| R43.htm | 6176 | 2023-05-04 11:40:00 |
| R44.htm | 34005 | 2023-05-04 11:40:00 |
| R45.htm | 62142 | 2023-05-04 11:40:00 |
| R46.htm | 10609 | 2023-05-04 11:40:00 |
| R47.htm | 4904 | 2023-05-04 11:40:00 |
| R48.htm | 37652 | 2023-05-04 11:40:00 |
| R49.htm | 6811 | 2023-05-04 11:40:00 |
| R5.htm | 33931 | 2023-05-04 11:40:00 |
| R50.htm | 22642 | 2023-05-04 11:40:00 |
| R51.htm | 26685 | 2023-05-04 11:40:00 |
| R52.htm | 21347 | 2023-05-04 11:40:00 |
| R53.htm | 22475 | 2023-05-04 11:40:00 |
| R54.htm | 12105 | 2023-05-04 11:40:00 |
| R55.htm | 8070 | 2023-05-04 11:40:00 |
| R56.htm | 49131 | 2023-05-04 11:40:00 |
| R57.htm | 73279 | 2023-05-04 11:40:00 |
| R58.htm | 63848 | 2023-05-04 11:40:00 |
| R59.htm | 12446 | 2023-05-04 11:40:00 |
| R6.htm | 73334 | 2023-05-04 11:40:00 |
| R7.htm | 55302 | 2023-05-04 11:40:00 |
| R8.htm | 22321 | 2023-05-04 11:40:00 |
| R9.htm | 11958 | 2023-05-04 11:40:00 |
| report.css | 2767 | 2023-05-04 11:40:00 |
| Show.js | 1085 | 2023-05-04 11:40:00 |