Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-120264-index-headers.html | 2021-09-28 16:34:33 | |
| 0001104659-21-120264-index.html | 2021-09-28 16:34:33 | |
| 0001104659-21-120264.txt | 2021-09-28 16:34:33 | |
 0001104659-21-120264-xbrl.zip | 40408 | 2021-09-28 16:34:33 |
| FilingSummary.xml | 1671 | 2021-09-28 16:34:33 |
| Financial_Report.xlsx | 5689 | 2021-09-28 16:34:33 |
| hp-20210927.xsd | 3174 | 2021-09-28 16:34:33 |
| hp-20210927_lab.xml | 34594 | 2021-09-28 16:34:33 |
| hp-20210927_pre.xml | 22705 | 2021-09-28 16:34:33 |
| MetaLinks.json | 38253 | 2021-09-28 16:34:33 |
| R1.htm | 40139 | 2021-09-28 16:34:33 |
| report.css | 2767 | 2021-09-28 16:34:33 |
| Show.js | 1085 | 2021-09-28 16:34:33 |
| tm2128379d2_8k.htm | 32332 | 2021-09-28 16:34:33 |
| tm2128379d2_8k_htm.xml | 3603 | 2021-09-28 16:34:33 |
| tm2128379d2_ex10-1.htm | 138915 | 2021-09-28 16:34:33 |
| tm2128379d2_ex99-1.htm | 8454 | 2021-09-28 16:34:33 |
 tm2128379d2_ex99-1img01.jpg | 7786 | 2021-09-28 16:34:33 |