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| 0000046765-22-000063-index.html | 2022-10-18 17:09:58 | |
| 0000046765-22-000063.txt | 2022-10-18 17:09:58 | |
 0000046765-22-000063-xbrl.zip | 18364 | 2022-10-18 17:09:58 |
| a20221018pr.htm | 37339 | 2022-10-18 17:09:58 |
| FilingSummary.xml | 1639 | 2022-10-18 17:09:58 |
| Financial_Report.xlsx | 5701 | 2022-10-18 17:09:58 |
| hp-20221018.htm | 33711 | 2022-10-18 17:09:58 |
| hp-20221018.xsd | 1900 | 2022-10-18 17:09:58 |
| hp-20221018_htm.xml | 10583 | 2022-10-18 17:09:58 |
| hp-20221018_lab.xml | 24137 | 2022-10-18 17:09:58 |
| hp-20221018_pre.xml | 12512 | 2022-10-18 17:09:58 |
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| MetaLinks.json | 16528 | 2022-10-18 17:09:58 |
| R1.htm | 38098 | 2022-10-18 17:09:58 |
| report.css | 2767 | 2022-10-18 17:09:58 |
| Show.js | 1085 | 2022-10-18 17:09:58 |