Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000914025-20-000045-index-headers.html | 2020-06-08 17:23:10 | |
| 0000914025-20-000045-index.html | 2020-06-08 17:23:10 | |
| 0000914025-20-000045.txt | 2020-06-08 17:23:10 | |
 0000914025-20-000045-xbrl.zip | 872276 | 2020-06-08 17:23:10 |
 chart-07188e80c9f31f17bf0.jpg | 9526 | 2020-06-08 17:23:10 |
 chart-29227c8751b6f7b69f5.jpg | 16788 | 2020-06-08 17:23:10 |
 chart-31b2301ba6a3f6f7cad.jpg | 16987 | 2020-06-08 17:23:10 |
 chart-44527b2878bd5c349aa.jpg | 22859 | 2020-06-08 17:23:10 |
 chart-44a91d10dd625102b11.jpg | 9578 | 2020-06-08 17:23:10 |
 chart-51f860cc3f6c26a72e5.jpg | 17146 | 2020-06-08 17:23:10 |
 chart-55634a7e266057a8a80.jpg | 11775 | 2020-06-08 17:23:10 |
 chart-7c480f4584675daebe1.jpg | 25129 | 2020-06-08 17:23:10 |
 chart-92704b229dcc5bf19b0.jpg | 16795 | 2020-06-08 17:23:10 |
 chart-9dcae222bec95f2cadd.jpg | 23939 | 2020-06-08 17:23:10 |
 chart-b663009c08e75d47b7f.jpg | 11531 | 2020-06-08 17:23:10 |
 chart-dd0a7721a38b9f61de5.jpg | 7404 | 2020-06-08 17:23:10 |
 chart-e67bb51efa0158f1b11.jpg | 11788 | 2020-06-08 17:23:10 |
| ex1012fy20.htm | 68423 | 2020-06-08 17:23:10 |
| ex1013fy20.htm | 30266 | 2020-06-08 17:23:10 |
| ex1026fy20.htm | 50939 | 2020-06-08 17:23:10 |
| ex1027fy20.htm | 179838 | 2020-06-08 17:23:10 |
| ex211fy20.htm | 34714 | 2020-06-08 17:23:10 |
| ex23fy20.htm | 3631 | 2020-06-08 17:23:10 |
| ex32fy20.htm | 157522 | 2020-06-08 17:23:10 |
| ex44fy20.htm | 46791 | 2020-06-08 17:23:10 |
| exhibit311fy20.htm | 13702 | 2020-06-08 17:23:10 |
| exhibit312fy20.htm | 14137 | 2020-06-08 17:23:10 |
| exhibit321fy20.htm | 11964 | 2020-06-08 17:23:10 |
| FilingSummary.xml | 62279 | 2020-06-08 17:23:10 |
| Financial_Report.xlsx | 157141 | 2020-06-08 17:23:10 |
| form10kfy20.htm | 3998063 | 2020-06-08 17:23:10 |
| form10kfy20_htm.xml | 3501261 | 2020-06-08 17:23:10 |
| MetaLinks.json | 1084964 | 2020-06-08 17:23:10 |
| plt-20200328.xsd | 85582 | 2020-06-08 17:23:10 |
| plt-20200328_cal.xml | 163245 | 2020-06-08 17:23:10 |
| plt-20200328_def.xml | 600393 | 2020-06-08 17:23:10 |
| plt-20200328_lab.xml | 1348065 | 2020-06-08 17:23:10 |
| plt-20200328_pre.xml | 835443 | 2020-06-08 17:23:10 |
 pltlogoprb24.jpg | 12616 | 2020-06-08 17:23:10 |
| R1.htm | 63068 | 2020-06-08 17:23:10 |
| R10.htm | 10798 | 2020-06-08 17:23:10 |
| R11.htm | 62621 | 2020-06-08 17:23:10 |
| R12.htm | 62736 | 2020-06-08 17:23:10 |
| R13.htm | 7503 | 2020-06-08 17:23:10 |
| R14.htm | 101594 | 2020-06-08 17:23:10 |
| R15.htm | 85036 | 2020-06-08 17:23:10 |
| R16.htm | 49925 | 2020-06-08 17:23:10 |
| R17.htm | 44298 | 2020-06-08 17:23:10 |
| R18.htm | 62566 | 2020-06-08 17:23:10 |
| R19.htm | 124188 | 2020-06-08 17:23:10 |
| R2.htm | 76738 | 2020-06-08 17:23:10 |
| R20.htm | 21364 | 2020-06-08 17:23:10 |
| R21.htm | 13727 | 2020-06-08 17:23:10 |
| R22.htm | 7691 | 2020-06-08 17:23:10 |
| R23.htm | 117469 | 2020-06-08 17:23:10 |
| R24.htm | 151797 | 2020-06-08 17:23:10 |
| R25.htm | 34096 | 2020-06-08 17:23:10 |
| R26.htm | 101732 | 2020-06-08 17:23:10 |
| R27.htm | 92765 | 2020-06-08 17:23:10 |
| R28.htm | 5462 | 2020-06-08 17:23:10 |
| R29.htm | 58578 | 2020-06-08 17:23:10 |
| R3.htm | 16835 | 2020-06-08 17:23:10 |
| R30.htm | 79627 | 2020-06-08 17:23:10 |
| R31.htm | 121288 | 2020-06-08 17:23:10 |
| R32.htm | 154310 | 2020-06-08 17:23:10 |
| R33.htm | 60279 | 2020-06-08 17:23:10 |
| R34.htm | 108021 | 2020-06-08 17:23:10 |
| R35.htm | 152954 | 2020-06-08 17:23:10 |
| R36.htm | 36399 | 2020-06-08 17:23:10 |
| R37.htm | 26470 | 2020-06-08 17:23:10 |
| R38.htm | 44557 | 2020-06-08 17:23:10 |
| R39.htm | 112537 | 2020-06-08 17:23:10 |
| R4.htm | 61542 | 2020-06-08 17:23:10 |
| R40.htm | 18539 | 2020-06-08 17:23:10 |
| R41.htm | 13980 | 2020-06-08 17:23:10 |
| R42.htm | 155436 | 2020-06-08 17:23:10 |
| R43.htm | 151319 | 2020-06-08 17:23:10 |
| R44.htm | 33148 | 2020-06-08 17:23:10 |
| R45.htm | 88142 | 2020-06-08 17:23:10 |
| R46.htm | 165425 | 2020-06-08 17:23:10 |
| R47.htm | 55149 | 2020-06-08 17:23:10 |
| R48.htm | 61912 | 2020-06-08 17:23:10 |
| R49.htm | 13929 | 2020-06-08 17:23:10 |
| R5.htm | 36124 | 2020-06-08 17:23:10 |
| R50.htm | 48798 | 2020-06-08 17:23:10 |
| R51.htm | 41619 | 2020-06-08 17:23:10 |
| R52.htm | 32905 | 2020-06-08 17:23:10 |
| R53.htm | 7047 | 2020-06-08 17:23:10 |
| R54.htm | 10053 | 2020-06-08 17:23:10 |
| R55.htm | 30888 | 2020-06-08 17:23:10 |
| R56.htm | 15497 | 2020-06-08 17:23:10 |
| R57.htm | 13774 | 2020-06-08 17:23:10 |
| R58.htm | 12116 | 2020-06-08 17:23:10 |
| R59.htm | 43796 | 2020-06-08 17:23:10 |
| R6.htm | 99040 | 2020-06-08 17:23:10 |
| R60.htm | 40382 | 2020-06-08 17:23:10 |
| R61.htm | 13858 | 2020-06-08 17:23:10 |
| R62.htm | 22042 | 2020-06-08 17:23:10 |
| R63.htm | 29561 | 2020-06-08 17:23:10 |
| R64.htm | 27581 | 2020-06-08 17:23:10 |
| R65.htm | 32174 | 2020-06-08 17:23:10 |
| R66.htm | 17579 | 2020-06-08 17:23:10 |
| R67.htm | 81694 | 2020-06-08 17:23:10 |
| R68.htm | 97898 | 2020-06-08 17:23:10 |
| R69.htm | 29353 | 2020-06-08 17:23:10 |
| R7.htm | 79200 | 2020-06-08 17:23:10 |
| R70.htm | 7248 | 2020-06-08 17:23:10 |
| R71.htm | 38922 | 2020-06-08 17:23:10 |
| R72.htm | 57609 | 2020-06-08 17:23:10 |
| R73.htm | 18726 | 2020-06-08 17:23:10 |
| R74.htm | 48632 | 2020-06-08 17:23:10 |
| R75.htm | 27807 | 2020-06-08 17:23:10 |
| R76.htm | 20231 | 2020-06-08 17:23:10 |
| R77.htm | 29751 | 2020-06-08 17:23:10 |
| R78.htm | 17800 | 2020-06-08 17:23:10 |
| R79.htm | 18836 | 2020-06-08 17:23:10 |
| R8.htm | 72952 | 2020-06-08 17:23:10 |
| R80.htm | 10067 | 2020-06-08 17:23:10 |
| R81.htm | 38156 | 2020-06-08 17:23:10 |
| R82.htm | 44433 | 2020-06-08 17:23:10 |
| R83.htm | 6204 | 2020-06-08 17:23:10 |
| R84.htm | 23212 | 2020-06-08 17:23:10 |
| R85.htm | 27052 | 2020-06-08 17:23:10 |
| R86.htm | 160248 | 2020-06-08 17:23:10 |
| R87.htm | 27102 | 2020-06-08 17:23:10 |
| R88.htm | 115191 | 2020-06-08 17:23:10 |
| R89.htm | 5062 | 2020-06-08 17:23:10 |
| R9.htm | 6786 | 2020-06-08 17:23:10 |
| R90.htm | 19654 | 2020-06-08 17:23:10 |
| R91.htm | 38772 | 2020-06-08 17:23:10 |
| R92.htm | 16695 | 2020-06-08 17:23:10 |
| R93.htm | 6932 | 2020-06-08 17:23:10 |
| R94.htm | 16772 | 2020-06-08 17:23:10 |
| R95.htm | 10517 | 2020-06-08 17:23:10 |
| R96.htm | 27092 | 2020-06-08 17:23:10 |
| R97.htm | 24374 | 2020-06-08 17:23:10 |
| R9999.htm | 7455 | 2020-06-08 17:23:10 |
| report.css | 2767 | 2020-06-08 17:23:10 |
| Show.js | 1085 | 2020-06-08 17:23:10 |
 smallpoly.jpg | 5497 | 2020-06-08 17:23:10 |
 stockperformancegraphfy20.jpg | 63904 | 2020-06-08 17:23:10 |