Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-22-000050-index-headers.html | 2022-05-31 16:28:25 | |
| 0000046765-22-000050-index.html | 2022-05-31 16:28:25 | |
| 0000046765-22-000050.txt | 2022-05-31 16:28:25 | |
 0000046765-22-000050-xbrl.zip | 10049 | 2022-05-31 16:28:25 |
| FilingSummary.xml | 1604 | 2022-05-31 16:28:25 |
| Financial_Report.xlsx | 5678 | 2022-05-31 16:28:25 |
| hp-20220531.htm | 29171 | 2022-05-31 16:28:25 |
| hp-20220531.xsd | 1900 | 2022-05-31 16:28:25 |
| hp-20220531_htm.xml | 10583 | 2022-05-31 16:28:25 |
| hp-20220531_lab.xml | 24137 | 2022-05-31 16:28:25 |
| hp-20220531_pre.xml | 12512 | 2022-05-31 16:28:25 |
| MetaLinks.json | 16528 | 2022-05-31 16:28:25 |
| R1.htm | 38701 | 2022-05-31 16:28:25 |
| report.css | 2766 | 2022-05-31 16:28:25 |
| Show.js | 1084 | 2022-05-31 16:28:25 |