Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000031791-24-000004-index-headers.html | 2024-02-27 14:10:18 | |
| 0000031791-24-000004-index.html | 2024-02-27 14:10:18 | |
| 0000031791-24-000004.txt | 2024-02-27 14:10:18 | |
 0000031791-24-000004-xbrl.zip | 830856 | 2024-02-27 14:10:18 |
| a202310kcert-ex_311.htm | 13394 | 2024-02-27 14:10:18 |
| a202310kcert-ex_312.htm | 12766 | 2024-02-27 14:10:18 |
| a202310kcert-ex_321.htm | 9559 | 2024-02-27 14:10:18 |
| a2023exhibit1012.htm | 24548 | 2024-02-27 14:10:18 |
| a2023exhibit1027.htm | 41408 | 2024-02-27 14:10:18 |
| a2023exhibit1028.htm | 41927 | 2024-02-27 14:10:18 |
| a2023exhibit1029.htm | 69265 | 2024-02-27 14:10:18 |
| a2023exhibit1030.htm | 75156 | 2024-02-27 14:10:18 |
| a2023exhibit1031.htm | 61913 | 2024-02-27 14:10:18 |
| a2023exhibit1032.htm | 63097 | 2024-02-27 14:10:18 |
| a2023exhibit21.htm | 167136 | 2024-02-27 14:10:18 |
| a2023exhibit23.htm | 3126 | 2024-02-27 14:10:18 |
| a2023exhibit97.htm | 21744 | 2024-02-27 14:10:18 |
| FilingSummary.xml | 73265 | 2024-02-27 14:10:18 |
| Financial_Report.xlsx | 210054 | 2024-02-27 14:10:18 |
 image_0.jpg | 91119 | 2024-02-27 14:10:18 |
 image_01.jpg | 91119 | 2024-02-27 14:10:18 |
| MetaLinks.json | 2059509 | 2024-02-27 14:10:18 |
| pki-20231231.htm | 2687848 | 2024-02-27 14:10:18 |
| pki-20231231.xsd | 199856 | 2024-02-27 14:10:18 |
| pki-20231231_cal.xml | 155915 | 2024-02-27 14:10:18 |
| pki-20231231_def.xml | 1310226 | 2024-02-27 14:10:18 |
 pki-20231231_g1.jpg | 133341 | 2024-02-27 14:10:18 |
| pki-20231231_htm.xml | 2781069 | 2024-02-27 14:10:18 |
| pki-20231231_lab.xml | 2221077 | 2024-02-27 14:10:18 |
| pki-20231231_pre.xml | 1613184 | 2024-02-27 14:10:18 |
| R1.htm | 80673 | 2024-02-27 14:10:18 |
| R10.htm | 19070 | 2024-02-27 14:10:18 |
| R100.htm | 38889 | 2024-02-27 14:10:18 |
| R101.htm | 28940 | 2024-02-27 14:10:18 |
| R102.htm | 62124 | 2024-02-27 14:10:18 |
| R103.htm | 31793 | 2024-02-27 14:10:18 |
| R104.htm | 23131 | 2024-02-27 14:10:18 |
| R105.htm | 11200 | 2024-02-27 14:10:18 |
| R106.htm | 19024 | 2024-02-27 14:10:18 |
| R107.htm | 24080 | 2024-02-27 14:10:18 |
| R108.htm | 57124 | 2024-02-27 14:10:18 |
| R109.htm | 17756 | 2024-02-27 14:10:18 |
| R11.htm | 18726 | 2024-02-27 14:10:18 |
| R110.htm | 21544 | 2024-02-27 14:10:18 |
| R111.htm | 18826 | 2024-02-27 14:10:18 |
| R112.htm | 14658 | 2024-02-27 14:10:18 |
| R113.htm | 70962 | 2024-02-27 14:10:18 |
| R12.htm | 12754 | 2024-02-27 14:10:18 |
| R13.htm | 55595 | 2024-02-27 14:10:18 |
| R14.htm | 39546 | 2024-02-27 14:10:18 |
| R15.htm | 76236 | 2024-02-27 14:10:18 |
| R16.htm | 56147 | 2024-02-27 14:10:18 |
| R17.htm | 129261 | 2024-02-27 14:10:18 |
| R18.htm | 16171 | 2024-02-27 14:10:18 |
| R19.htm | 22658 | 2024-02-27 14:10:18 |
| R2.htm | 7797 | 2024-02-27 14:10:18 |
| R20.htm | 10929 | 2024-02-27 14:10:18 |
| R21.htm | 14661 | 2024-02-27 14:10:18 |
| R22.htm | 21581 | 2024-02-27 14:10:18 |
| R23.htm | 39933 | 2024-02-27 14:10:18 |
| R24.htm | 87154 | 2024-02-27 14:10:18 |
| R25.htm | 14313 | 2024-02-27 14:10:18 |
| R26.htm | 205496 | 2024-02-27 14:10:18 |
| R27.htm | 8922 | 2024-02-27 14:10:18 |
| R28.htm | 58880 | 2024-02-27 14:10:18 |
| R29.htm | 37091 | 2024-02-27 14:10:18 |
| R3.htm | 70678 | 2024-02-27 14:10:18 |
| R30.htm | 11313 | 2024-02-27 14:10:18 |
| R31.htm | 60979 | 2024-02-27 14:10:18 |
| R32.htm | 47501 | 2024-02-27 14:10:18 |
| R33.htm | 106126 | 2024-02-27 14:10:18 |
| R34.htm | 15211 | 2024-02-27 14:10:18 |
| R35.htm | 10635 | 2024-02-27 14:10:18 |
| R36.htm | 95870 | 2024-02-27 14:10:18 |
| R37.htm | 42300 | 2024-02-27 14:10:18 |
| R38.htm | 72187 | 2024-02-27 14:10:18 |
| R39.htm | 55305 | 2024-02-27 14:10:18 |
| R4.htm | 88178 | 2024-02-27 14:10:18 |
| R40.htm | 120364 | 2024-02-27 14:10:18 |
| R41.htm | 14301 | 2024-02-27 14:10:18 |
| R42.htm | 24635 | 2024-02-27 14:10:18 |
| R43.htm | 11888 | 2024-02-27 14:10:18 |
| R44.htm | 13545 | 2024-02-27 14:10:18 |
| R45.htm | 20176 | 2024-02-27 14:10:18 |
| R46.htm | 42353 | 2024-02-27 14:10:18 |
| R47.htm | 79036 | 2024-02-27 14:10:18 |
| R48.htm | 14290 | 2024-02-27 14:10:18 |
| R49.htm | 203068 | 2024-02-27 14:10:18 |
| R5.htm | 36989 | 2024-02-27 14:10:18 |
| R50.htm | 53772 | 2024-02-27 14:10:18 |
| R51.htm | 26476 | 2024-02-27 14:10:18 |
| R52.htm | 45521 | 2024-02-27 14:10:18 |
| R53.htm | 52503 | 2024-02-27 14:10:18 |
| R54.htm | 105663 | 2024-02-27 14:10:18 |
| R55.htm | 140368 | 2024-02-27 14:10:18 |
| R56.htm | 76244 | 2024-02-27 14:10:18 |
| R57.htm | 24576 | 2024-02-27 14:10:18 |
| R58.htm | 65804 | 2024-02-27 14:10:18 |
| R59.htm | 94064 | 2024-02-27 14:10:18 |
| R6.htm | 109555 | 2024-02-27 14:10:18 |
| R60.htm | 36045 | 2024-02-27 14:10:18 |
| R61.htm | 7782 | 2024-02-27 14:10:18 |
| R62.htm | 7852 | 2024-02-27 14:10:18 |
| R63.htm | 5720 | 2024-02-27 14:10:18 |
| R64.htm | 45964 | 2024-02-27 14:10:18 |
| R65.htm | 12465 | 2024-02-27 14:10:18 |
| R66.htm | 45010 | 2024-02-27 14:10:18 |
| R67.htm | 31759 | 2024-02-27 14:10:18 |
| R68.htm | 42941 | 2024-02-27 14:10:18 |
| R69.htm | 16156 | 2024-02-27 14:10:18 |
| R7.htm | 22249 | 2024-02-27 14:10:18 |
| R70.htm | 13645 | 2024-02-27 14:10:18 |
| R71.htm | 23104 | 2024-02-27 14:10:18 |
| R72.htm | 11856 | 2024-02-27 14:10:18 |
| R73.htm | 20076 | 2024-02-27 14:10:18 |
| R74.htm | 19070 | 2024-02-27 14:10:18 |
| R75.htm | 29474 | 2024-02-27 14:10:18 |
| R76.htm | 30848 | 2024-02-27 14:10:18 |
| R77.htm | 16231 | 2024-02-27 14:10:18 |
| R78.htm | 27385 | 2024-02-27 14:10:18 |
| R79.htm | 123346 | 2024-02-27 14:10:18 |
| R8.htm | 78904 | 2024-02-27 14:10:18 |
| R80.htm | 20407 | 2024-02-27 14:10:18 |
| R81.htm | 18208 | 2024-02-27 14:10:18 |
| R82.htm | 102382 | 2024-02-27 14:10:18 |
| R83.htm | 43597 | 2024-02-27 14:10:18 |
| R84.htm | 56033 | 2024-02-27 14:10:18 |
| R85.htm | 30604 | 2024-02-27 14:10:18 |
| R86.htm | 23511 | 2024-02-27 14:10:18 |
| R87.htm | 18223 | 2024-02-27 14:10:18 |
| R88.htm | 6524 | 2024-02-27 14:10:18 |
| R89.htm | 56747 | 2024-02-27 14:10:18 |
| R9.htm | 152184 | 2024-02-27 14:10:18 |
| R90.htm | 23559 | 2024-02-27 14:10:18 |
| R91.htm | 8386 | 2024-02-27 14:10:18 |
| R92.htm | 11350 | 2024-02-27 14:10:18 |
| R93.htm | 7688 | 2024-02-27 14:10:18 |
| R94.htm | 78801 | 2024-02-27 14:10:18 |
| R95.htm | 20068 | 2024-02-27 14:10:18 |
| R96.htm | 11770 | 2024-02-27 14:10:18 |
| R97.htm | 32615 | 2024-02-27 14:10:18 |
| R98.htm | 23250 | 2024-02-27 14:10:18 |
| R99.htm | 45584 | 2024-02-27 14:10:18 |
| R9999.htm | 3968 | 2024-02-27 14:10:18 |
| report.css | 2768 | 2024-02-27 14:10:18 |
| Show.js | 1086 | 2024-02-27 14:10:18 |