Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-22-000060-index-headers.html | 2022-09-07 16:43:11 | |
| 0000046765-22-000060-index.html | 2022-09-07 16:43:11 | |
| 0000046765-22-000060.txt | 2022-09-07 16:43:11 | |
 0000046765-22-000060-xbrl.zip | 10063 | 2022-09-07 16:43:11 |
| FilingSummary.xml | 1606 | 2022-09-07 16:43:11 |
| Financial_Report.xlsx | 5702 | 2022-09-07 16:43:11 |
| hp-20220907.htm | 29187 | 2022-09-07 16:43:11 |
| hp-20220907.xsd | 1900 | 2022-09-07 16:43:11 |
| hp-20220907_htm.xml | 10583 | 2022-09-07 16:43:11 |
| hp-20220907_lab.xml | 24137 | 2022-09-07 16:43:11 |
| hp-20220907_pre.xml | 12512 | 2022-09-07 16:43:11 |
| MetaLinks.json | 16528 | 2022-09-07 16:43:11 |
| R1.htm | 38099 | 2022-09-07 16:43:11 |
| report.css | 2766 | 2022-09-07 16:43:11 |
| Show.js | 1084 | 2022-09-07 16:43:11 |