Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000046765-21-000034-index-headers.html | 2021-09-01 17:09:08 | |
| 0000046765-21-000034-index.html | 2021-09-01 17:09:08 | |
| 0000046765-21-000034.txt | 2021-09-01 17:09:08 | |
 0000046765-21-000034-xbrl.zip | 10037 | 2021-09-01 17:09:08 |
| FilingSummary.xml | 1593 | 2021-09-01 17:09:08 |
| Financial_Report.xlsx | 5679 | 2021-09-01 17:09:08 |
| hp-20210901.htm | 29131 | 2021-09-01 17:09:08 |
| hp-20210901.xsd | 1900 | 2021-09-01 17:09:08 |
| hp-20210901_htm.xml | 10527 | 2021-09-01 17:09:08 |
| hp-20210901_lab.xml | 24137 | 2021-09-01 17:09:08 |
| hp-20210901_pre.xml | 12512 | 2021-09-01 17:09:08 |
| MetaLinks.json | 16693 | 2021-09-01 17:09:08 |
| R1.htm | 38572 | 2021-09-01 17:09:08 |
| report.css | 2766 | 2021-09-01 17:09:08 |
| Show.js | 1084 | 2021-09-01 17:09:08 |