Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000076334-25-000071-index-headers.html | 2025-11-07 07:51:15 | |
| 0000076334-25-000071-index.html | 2025-11-07 07:51:15 | |
| 0000076334-25-000071.txt | 2025-11-07 07:51:15 | |
 0000076334-25-000071-xbrl.zip | 234296 | 2025-11-07 07:51:15 |
| ex10aofficeracipplan20252.htm | 63042 | 2025-11-07 07:51:15 |
| ex10bphcsarofficerawardagr.htm | 9378 | 2025-11-07 07:51:15 |
| ex10c2025phcstockappreciat.htm | 58416 | 2025-11-07 07:51:15 |
| FilingSummary.xml | 43216 | 2025-11-07 07:51:15 |
 image_0.jpg | 12337 | 2025-11-07 07:51:15 |
| MetaLinks.json | 1028337 | 2025-11-07 07:51:15 |
| ph-20250930.htm | 955380 | 2025-11-07 07:51:15 |
| ph-20250930.xsd | 42840 | 2025-11-07 07:51:15 |
| ph-20250930_cal.xml | 86159 | 2025-11-07 07:51:15 |
| ph-20250930_def.xml | 178996 | 2025-11-07 07:51:15 |
 ph-20250930_g1.jpg | 32464 | 2025-11-07 07:51:15 |
| ph-20250930_htm.xml | 1051287 | 2025-11-07 07:51:15 |
| ph-20250930_lab.xml | 589464 | 2025-11-07 07:51:15 |
| ph-20250930_pre.xml | 404948 | 2025-11-07 07:51:15 |
| ph9302025ex31a.htm | 9651 | 2025-11-07 07:51:15 |
| ph9302025ex31b.htm | 9946 | 2025-11-07 07:51:15 |
| ph9302025ex32.htm | 5879 | 2025-11-07 07:51:15 |
| R1.htm | 50167 | 2025-11-07 07:51:15 |
| R10.htm | 21961 | 2025-11-07 07:51:15 |
| R11.htm | 20048 | 2025-11-07 07:51:15 |
| R12.htm | 11457 | 2025-11-07 07:51:15 |
| R13.htm | 11711 | 2025-11-07 07:51:15 |
| R14.htm | 6958 | 2025-11-07 07:51:15 |
| R15.htm | 27948 | 2025-11-07 07:51:15 |
| R16.htm | 98629 | 2025-11-07 07:51:15 |
| R17.htm | 30693 | 2025-11-07 07:51:15 |
| R18.htm | 35676 | 2025-11-07 07:51:15 |
| R19.htm | 11903 | 2025-11-07 07:51:15 |
| R2.htm | 65079 | 2025-11-07 07:51:15 |
| R20.htm | 10386 | 2025-11-07 07:51:15 |
| R21.htm | 53789 | 2025-11-07 07:51:15 |
| R22.htm | 71846 | 2025-11-07 07:51:15 |
| R23.htm | 23044 | 2025-11-07 07:51:15 |
| R24.htm | 8465 | 2025-11-07 07:51:15 |
| R25.htm | 16694 | 2025-11-07 07:51:15 |
| R26.htm | 48462 | 2025-11-07 07:51:15 |
| R27.htm | 17974 | 2025-11-07 07:51:15 |
| R28.htm | 19420 | 2025-11-07 07:51:15 |
| R29.htm | 11580 | 2025-11-07 07:51:15 |
| R3.htm | 32644 | 2025-11-07 07:51:15 |
| R30.htm | 12673 | 2025-11-07 07:51:15 |
| R31.htm | 25583 | 2025-11-07 07:51:15 |
| R32.htm | 95119 | 2025-11-07 07:51:15 |
| R33.htm | 34818 | 2025-11-07 07:51:15 |
| R34.htm | 33438 | 2025-11-07 07:51:15 |
| R35.htm | 55147 | 2025-11-07 07:51:15 |
| R36.htm | 63312 | 2025-11-07 07:51:15 |
| R37.htm | 22622 | 2025-11-07 07:51:15 |
| R38.htm | 19513 | 2025-11-07 07:51:15 |
| R39.htm | 21533 | 2025-11-07 07:51:15 |
| R4.htm | 146309 | 2025-11-07 07:51:15 |
| R40.htm | 19254 | 2025-11-07 07:51:15 |
| R41.htm | 20636 | 2025-11-07 07:51:15 |
| R42.htm | 12646 | 2025-11-07 07:51:15 |
| R43.htm | 36155 | 2025-11-07 07:51:15 |
| R44.htm | 54046 | 2025-11-07 07:51:15 |
| R45.htm | 42736 | 2025-11-07 07:51:15 |
| R46.htm | 4770 | 2025-11-07 07:51:15 |
| R47.htm | 7429 | 2025-11-07 07:51:15 |
| R48.htm | 11765 | 2025-11-07 07:51:15 |
| R49.htm | 7279 | 2025-11-07 07:51:15 |
| R5.htm | 22561 | 2025-11-07 07:51:15 |
| R50.htm | 16868 | 2025-11-07 07:51:15 |
| R51.htm | 13789 | 2025-11-07 07:51:15 |
| R52.htm | 7623 | 2025-11-07 07:51:15 |
| R53.htm | 70801 | 2025-11-07 07:51:15 |
| R54.htm | 53936 | 2025-11-07 07:51:15 |
| R55.htm | 11718 | 2025-11-07 07:51:15 |
| R56.htm | 18876 | 2025-11-07 07:51:15 |
| R57.htm | 24931 | 2025-11-07 07:51:15 |
| R58.htm | 19683 | 2025-11-07 07:51:15 |
| R59.htm | 31008 | 2025-11-07 07:51:15 |
| R6.htm | 94407 | 2025-11-07 07:51:15 |
| R60.htm | 23258 | 2025-11-07 07:51:15 |
| R61.htm | 12793 | 2025-11-07 07:51:15 |
| R62.htm | 20008 | 2025-11-07 07:51:15 |
| R63.htm | 18332 | 2025-11-07 07:51:15 |
| R64.htm | 6625 | 2025-11-07 07:51:15 |
| R65.htm | 15459 | 2025-11-07 07:51:15 |
| R66.htm | 12625 | 2025-11-07 07:51:15 |
| R67.htm | 36198 | 2025-11-07 07:51:15 |
| R68.htm | 9091 | 2025-11-07 07:51:15 |
| R69.htm | 71842 | 2025-11-07 07:51:15 |
| R7.htm | 7076 | 2025-11-07 07:51:15 |
| R70.htm | 21435 | 2025-11-07 07:51:15 |
| R71.htm | 5754 | 2025-11-07 07:51:15 |
| R8.htm | 15971 | 2025-11-07 07:51:15 |
| R9.htm | 52275 | 2025-11-07 07:51:15 |
| report.css | 2767 | 2025-11-07 07:51:15 |
| Show.js | 1085 | 2025-11-07 07:51:15 |